TLDR: Unit I entrusted to M-Troniks for repair was returned in worse condition than when it was dropped off. Repair warranty was not honored. Shop took my money and cursed me out. Full Story: I would caution all to avoid M-troniks at all costs. I can confidently say, with no exaggeration, that my experience with them was the most unbelievable and horrific I've ever had with a business. I want to be as articulate and clear as possible to show that I am a reasonable person and to explain exactly how egregiously awful my ordeal was. I was initially referred M-Troniks by my pedal manufacturer as they are an authorized repair location. Upon dropping it off, the man behind the counter, Mace Beyers, had assured me that they repair Helix units all the time and that they guarantee their work for 30 days from the repair. A few days later, I was notified that it was ready for pickup. The invoice stated they had simply done an "unpublished factory reset" on the unit, which fixed all of its problems. I was skeptical of this, because I had already reached out to the manufacturer's customer support line where troubleshooting, including a factory reset, was attempted. The manufacturer stated that my only option was to take it in for repair as there were most definitely component issues that needed to be addressed. M-Troniks charged their $95 bench fee plus another $33.75, which was off-putting to me as all they did was reset it; no additional work was done. Nevertheless, I said nothing and paid as I was just happy to have it working. I chalked the experience up to a lesson in being more thorough with troubleshooting. When I got home and plugged in the pedal, it still had the same issues. I returned to M-Troniks with the unit the next day and they took it back for repairs, assuring me that since it was under warranty, they would complete the repairs as promised. A few weeks later, I received a voicemail from Mace notifying me that they needed to order more parts, that it would take more time to fix, and that I would need to approve another $200 to complete the repair. I called back confused about why this wasn't covered under their warranty. I was told that the warranty only covered the initial fix (which was the factory reset that never actually fixed the issue). Under this logic, their warranty conditions would allow them to continue to misdiagnose and charge me for parts and labor without ever actually fixing the issue. I then became a little upset and confronted him about the initial "fix" and corresponding charge and asked why the repair fee I had already paid wasn't being applied towards the new fix since the issue was misdiagnosed and pedal returned to me in not working condition. Mace began yelling at me over the phone. "You wanna get technical; I'll read through the invoice!" I cut him off and told told him that I wanted no further repairs done on the unit. He hung up on me and I promptly got an email notification that my unit was ready to be picked up. When I arrived to pick up the unit, he had jammed it back into the carrying case in pieces. Not only was the unit taken apart and not put it back together, but the top and bottom of the chassis were slammed together facing the opposite direction and forced into the case. They needed to be carefully pried apart before I could even attempt to put it back together correctly so that the metal and interior components wouldn't bend or break apart. When I asked him, "Are you really giving it back to me in this state?", he unleashed a very aggressive and expletive-laced tirade at me. He yelled about being a "mom-and-pop" shop trying to make ends meet, as if that precludes them from having to do honest work. I remarked back at him that "mom-and-pop" shops do not treat customers this way, and he yelled back, "This one does, get the f**k out!" I left the shop with my Helix in pieces, having paid for a repair that was never completed. Thankfully, I was able to call the manufacturer and explain my situation. Despite not having any affiliation with M-troniks, they were appalled and offered to have my unit shipped to them for a complimentary repair. For that, I am beyond grateful. Truly exceptional customer service from Line 6. They are the real heroes. I cannot say the same for Mace and M-Troniks. I cannot stress enough how horrible this shop is. Even when faced with genuinely difficult customers, I cannot think of a single good reason for a place of business to verbally accost them. Below are pictures of how my Helix was returned to me. Save yourself the money and trouble and find another shop for equipment repairs. read more

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I brought in a Taylor acoustic that I've lugged around with me for 25+ years. She was in bad shape. Lots of dead frets and the ones that weren't dead didn't sound great. The neck was a little curved and the bridge was a little too low. They did such an amazing job in 48 hours! I didn't think that the old guitar could sound as good as it did when I bought it so many years ago, but they got it right back to that condition. I couldn't be more excited or happier about it! read more

This is a tough one to review. They are a locally owned shop. I'm sure Covid has had an impact on their business. I try to shop local to support any way I can, but being a musician, when a piece of equipment needs repair, you need it done in a reasonable timeframe. I brought a footswitch in for a simple input jack installation on September 3rd. I was told it would take approximately 2 weeks. On October 5th I called and was told they emailed me a quote on September 23rd. I never received an email and checked my junk/spam folder to verify. I authorized the repair and was then told I would be called later that day for an update. No call. I called the next day and was told it was being looked at. I called on Thursday and was told I'd get a call back. Finally on Friday, Oct. 10th, I called in the morning and was told it was "on the bench" and would get a call when it was ready. After no call, at 4:45 that day I called and was livid, after all, it was a jack installation on a footswitch, probably a 30 minute job at most. I ranted, screamed, and swore at the woman on the phone explaining my desperate need for the footswitch. After a few minutes of arguing, she said it was done & I could pick it up. I couldn't because I had a gig that night! I went there this morning and picked up the footswitch. I apologized for my phone rant and paid the bill, which was $93.00. Yes, 93.00 for the installation of a $5.00 jack that I waited over 5 weeks for when it should have taken 2 weeks. Here's the bottom line: Musicians need gear to make a living. We need repairs in a timely manor AND need to be told the "real" wait expectancy for the repair. In reality, I could have purchased a brand new footswitch from Amazon or any other online dealer, had it delivered to my home without having to make multiple phone calls, and spend at least $25-$30 LESS. I'm stating here that my complaint is NOT regarding the quality of work (I've had several amps repaired there before). It's about customer service. I get the fact that they are really the only local business that does these kinds of repairs so you're really at their mercy, but good communication, reasonable turn around time & fair pricing should be a priority. I hope they reevaluate & develop customer service improvements and streamline their workflow process. read more

I have heard nothing good about this business over the years and it appears nothing has changed for the better.

If I could give them 0 stars I would. They had my amp for 6 months! When I took it in it worked but just didnt sound right. I received zero communication from them, was told they were waiting on parts after I started calling them, then after waiting 6 months I left a message that I wanted to know what was going on with my amp... got a call the next day to pick it up.... Not only did they not fix the am...now one channel doesn't work at all!! I am so thoroughly disgusted and disappointed.... what a bunch of has been hacks!!! read more

I dropped of my equipment, paid upfront for "nonrefundable deposit" repairs and was informed of estimated time to pick it up...never got repaired because the technician was unreliable and full of excuses for not completing repair work. Took my business elsewhere read more

Was referred by guitar center and it's just been a nightmare from the start. Took weeks to get an answer on what what the issue. Then work was approved and it took months to "complete". Communication has been non existent. It's like no one has a clue as to what is going on there. I would never go back or recommend them. read more

I brought in my 70's tube preamp as my left channel would cut out. I brought it in for repair and a week later I picked it up as they said it was ready to go. When I tested at home the same issue persisted. I brought back and they replaced my output rca jacks and said it was now good. Picked up and when I tested it at home the left side started cutting out again. Brought it back and they replaced my phono rca jacks. Picked it up and tested it at home and again the left channel started cutting out. I'm so disappointed on the quality of work and QA. This lead me to believe that they do not properly test the work performed on customers equipment before calling the customer to pick it up. The owner Hedi would not let me explain the issue and kept talking over me. She basically said that they have one month warranty and could not help and hung up. read more

Friendly staff, they do great work and prices are very reasonable. Have used them multiple times to repair music gear, most recently my Helix. read more

I couldn't be more dissatisfied with M-Troniks. I had a keyboard that needed repair back in October. I called, I e-mailed, I left messages, I left messages with secretaries and never heard back. In Novemeber, they contact me, so I bring the keyboard in for repair. I get the keyboard back at the beginning of December and take it back to the school and realized the power chord is missing. Once again I try to contact them via e-mail, phone, carrier pigeon, smoke signal, Morse code, etc and nothing. Seven months pass and I get a call in July saying I brought in a keyboard and it looks like I left the power chord there. Meanwhile, I have purchased other power chords to remedy the problem. read more

I will first say they did a good job on the repair of my amp for a very reasonable rate. The negative part about it was the time it took to do so. I'm going to give a little leniency here for a moment because up front I was informed they were backlogged (which is fine) and it would take 3 weeks to get it done. Ok cool. However as this time elapsed and it extended beyond this time I received no communication and had to contact them twice. First time I was told they would call back and never did second time I finally did receive a response it was done. I did receive an apology for this when I did pick it up so I can be a little more forgiving for it but can't keep your customers in suspense on such issues. Just bad for business and you'll end up losing return customers. Overall though I'm happy with the repair. Just a note if you do come here they do charge 60 dollars up front which is applied to your repair to have anything looked at. read more

Went to get my subwoofer repaired. Originally they said it was going to be done in a week. 3 months later I get a call saying it's done. I asked what took so long and said they needed to order a part. No communication via, phone or email regarding this. Now I'm here at 10 "when they open" and it's 1015. This place is garbage and did a terrible job on my repair and tried to scam me out of some more money. Go somewhere else for your repair because they obviously don't give two shits. read more

I would give 6 stars if it were possible. This is definitely the place to go if you need a professional repair or custom job. They can handle pretty much any music, PA, audio, or general electric repair -- new or vintage. Jeff and his employees are experts at their craft, and I always know my treasured gear is in good hands. read more

In January I took my keyboard to M-Tronics after a referral from Guitar Center. They required a $50 deposit and told me 2 weeks. I called at 3 weeks to pick up keyboard. It had not been looked at and they could not give me a time when it would be reviewed for a cost estimate. I went to the store to retrieve my keyboard. They refused to refund the $50. I finally received the $50 by submitting a complaint on my credit card. I do not recommend doing business with this company. read more

To Customers & Future Customers of M-Troniks, M-Troniks amplifier repair shop has brought my vintage tube amps back to the great warm tone that made them famous. They repaired my noisy '60s era Fender Showman, Bassman and Bandmaster amps and made them sound better than I thought possible. Surf's Up! Great job guys! I will be back. Deane S. read more

M-Troniks repaired a 1970's Fender Bassman 10 for me. They re-coned the speaker, letting the stock speakers remain. They also replaced the tubes and adjusted them. New longer cord as well. They fixed this old thing up! Crazy guitars for sale and other odds and ends. read more

I brought one of my KRK VXT 4 speakers in for repair, the volume control on the back broke. All I can say is that the service was great, they were very professional and I am very happy with the work that was performed. Jeff was very easy going and I knew that my equipment was going to be in great hands. It is by no means a place where they do hack repairs, they take pride in the work they do, which sadly is rare these days. I could have sent the speaker to LA as it was under warranty. It was just easier to take care of it all local. Thanks M-Troniks! read more

The Service by James at M-Troniks was what inspired me to write my first yelp review. I came in to to fix my cracked Telecaster head, and resolve a pickup wiring issue. I was overly impressed with the professionalism and customer service I received. I was quoted a very competitive price comparatively and given a speedy and accurate turnaround time. When my Tele was returned, I noticed some signal loss through the rig I was playing. James took back my guitar, tested it out and confirmed there was nothing wrong with my guitar but suggested the pedals or pedal board may be the issue. Although none of this was James's issue, he has been more than helpful trying to find the source of this signal loss. It was refreshing to deal with professionals who take pride in their craft and truly care about the customer experience. I will continue to use M-Troniks for all of my future repairs and will always recommend them to anyone who wants a fair and quality audio repair shop. read more

This shop was willing to take in a Fender amp for repair without telling me they were no longer a Fender certified shop. Charged me $200 & the amp quit working within 4 days. Finally took it to New/Old sounds & the amp sings. AVOID M-TRONICS! And all of this took one month. Yes, I was stupid for giving them a month to do nothing!! read more

I had a situation with them where I wasn't quite satisfied. But since then, they have gone out of their way to make amends and set things right. I'm not just grateful for it, I'm wonderfully surprised. Thank you. read more

I know this is a long review, but it's the only way of justifying a bad rating to ALERT people of an unprofessional business run by crooks. For the quickest unequivocal proof, go on the Better Business Bureau: they have a very real "F" rating for a reason. If you look on their website, you see "authorized repair center" for a variety of respected music gear brands, and you feel a sense of professionalism, which made me go from Tucson to Mesa (2 hours each way) on several occasions, in hopes my equipment was with well-trained professionals. A) Positive experiences: - I took my vintage Hiwatt 100W head to M-Troniks for a check after purchase, and since there was no problem to begin with, all checked fine. That built a false sense of trust. They even opened the amp so I could take pictures when it was delivered, and nothing was charged for that, and I took the pictures myself. - Then I took another vintage Hiwatt 4x12 combo for check, and the same happened; just took there for an extra safety check. Built more false credibility, as I brought in something already working, in exercise of caution. B) Negative experiences: Finally, I did bring in an amp with a technical problem. It was a 50th Anniversary 100W Marshall 1959HW "plexi"; they are hand-wired the old-fashioned way in England. M-Troniks is an authorized Marshall repair center, so I felt safe bringing it there. All that I said upon drop off is that I would like to have the problem diagnosed. The first response I get is an e-mail saying my amp is ready. In the invoice I read "output transformer" and "orange drop capacitor." I call them up, surprised that (expensive) things got repaired (without my permission to go on). I also called to make sure the parts he installed were original, which is what is expected of a Marshall authorized repair center. I got Jeff Naylor on the line, with a voice that went from standard to stuttering the second I asked if they were genuine parts. They were not. In fact, he tried to BS me into believing they don't make any difference. I got in touch directly with Marshall amplification to get the parts to them, so everything would be restored to original factory spec, which is nothing out of the ordinary. Jeff Naylor called me after that with a rude loud tone, but I got him to calm down and get me a quote for the service with original parts. I got a quote over the phone and I agreed. When the service was ready, a few weeks later (which is OK), I got another email, stating my amp was ready: with more than I was quoted for and the capacitor still read "orange drop" on the invoice. I requested kindly for the edit to be made, and Jeff Naylor refused to make it, just to cause a bad situation and upset a customer who dares to contact Marshall. When there was a refusal in updating an invoice (effectively a legal document), I reached out to the Better Business Bureau (BBB), which was ignored by him. He called my service done and started threatening to sell my amp and put $2/day storage charges on my account. I also got nasty daily emails and numerous phony, canned calls, and short 1 line messages with "your amp is ready". It can't be ready without a correct invoice, can it? It is not an acceptable situation, as you can't complain if they put the wrong parts in, as you are accepting an inadequate invoice. As a result of this non-sense and total lack of professionalism, I contacted the customer complaints unit of the Attorney General's office, and I hope they do something. Under extortion, which is what was done, I spoke to a personal attorney who recommended me to pay the over-priced service, record the conversations with a hidden mic, and take pictures, which I did. The pictures, this time cost me $40 dollars and I could not take them myself for "environmental reasons". You can see a crook all over that. Marshall Amplification, on the other hand, were always very nice to me. I sent the equipment for a free techinician double-check (with free shipping). They replaced the first capacitor sent, all the tubes, checked the authenticity of the parts, and gave me an amp cover as an apology for the inconvenience. C) Conclusion I know there are some good reviews of M-Troniks here and they have authorized service center status, but unless you have a toaster for an amp and you don't care what they put in, don't go there. They don't even give you a printed receipt of what you left there; it's via e-mail and on basis of good will. Even so, it may be inaccurate. Let me put it this way: if I steal a can of Coke from a convenience store and walk away, I get arrested for it. Now, if a business is run by crooks who over-charge, put expensive parts without asking, and on top of that, those parts are non-original, you go through hell to find justice. They are not required to have a technical license or show proof of quality standards to be on business. I'm not here to recommend you to go anywhere else. Just don't go there. read more

I've been here twice now, to have to items fixed: a small mixing board, and a PZM microphone (Google it). While both times the items were repaired adequately, the customer service was well... mediocre. But hey... The end justifies the means, and the stuff worked after repair! read more

I had purchased a brand new Warwick Streamer LX 5 string from The Bass Place in Peoria, AZ on Wednesday (10-9-2013) and loved this bass! But I wanted to install the Bartolini pickups and Noll preamp. I had taken my SWR preamp into Jeff a while back and he fixed it with no problems. But yesterday, I took my bass in to him to do the install and bottom line is, he TRASHED my bass!! After bringing it to him, he agreed he would do the install while I wait. So, he said I should take lunch while he worked on it. It should only take 30 minutes. I came back an hour later and he was still not finished. But I did not attempt to rush him in any way... about 20 more minutes and he said he was done. He then brings the bass to me and says I have some bad news for you - with a $hit eating grin on his face, almost as if he was happy about it! I didn't believe that he had bad news... I thought he was kidding and said something kind of funny to him and he says back to me (firmly) NO... I have bad news for you! He had scratched my bass all over the upper horn and various small scratches over the entire body and told me that he had checked my bass coming in and said the small scratches were already there. YAH RIGHT!! This was a Brand New bass I had just purchased the day before!! It had not ONE scratch on it. A friend of mine who is also a professional bassist checked the bass over the day before I brought it to Jeff and said there was not a single scratch on this bass and that he thought it was beautiful. On to the installation... The preamp needed a stack pot taken out of the preamp and 2 standard one's put in. He took TWO pots out and then replaced them with damaged pots. They are very hard to turn and when I plugged my bass in at home, it is now very noisy/scratchy and sounds absolutely awful! I don't have any clue what I may have done to Jeff at M-Troniks in Mesa... only thing I can think of is I was going to buy a bass from him a couple of years ago and ended up not buying it from him. Maybe he was extremely mad about it?? I don't know... I can't think of WHY he would do such an ubelievably harsh thing to me. Then he down-right lies to me when he told me HOW the bass got scratched. He said when he was removing the strings, the brass nut popped off and hit the upper horn doing extensive scratching to it. REALLY?? The nut would never pop off like that and even if it were... the scratches were way beyond what would have occurred! He told me to bring the bass back the following day (10-11-2013) to have it repaired by his finishing guy - that he was not in yesterday. Yah right, he doesn't even have any place big enough for a finshing shop, there and WHY would I trust him at this point, since he was so careless to begin with?? The reason he was installing the preamp and pickups while I waited is because I live on one side of the valley and he on the other and my van gets 10 mpg. So, I didn't want to have to make two trips out there. But then he finds a way to make me have to drive out a second time, anyway. No way! Wow... and he said he would not charge me until the bass had been repaired. So he gave me no receipt of the job. At this point, I would obviously, NEVER trust Jeff Naylor, the owner of M-Troniks in Mesa, AZ to do anything for me ever again! I cannot think for one moment that he could have someone repair the scratches to the oil-poly finish. One pro painter I spoke to said that once oil-poly is scratched, you will never be able to repair it. The whole bass needs to be completely refinished. Jeff used to be good... NOT anymore and I wish who ever decides to patronize this place anymore- a lot of luck!! read more

I've been using these guys for years. Always friendly and professional. Today I dropped off my ampeg b100r. The store opens at 11 now, not 10 as advertised. Apparently they are short staffed. I didn't mind waiting because the guitar store in the front was open and they had some killer gear. The deposit on repair jumped from 40.00 to 60.00!! Yikes!! Again, not that big of a deal because they will apply the deposit to the cost of repairs and of all the gear I have had repaired here, I have never felt cheated or as if I over paid. Great shop! Very cool. I wish I lived closer so I could come in more often. read more

Very good shop. Very professional. Very quick. They diagnosed a problem with aYamaha electronic drum kit, drum brain pcb and had it repaired within an hour. Repaired piece is functioning perfectly. TAKE YOUR STUFF TO BE REPAIRED THERE! read more

We have used M-Troniks twice. Their customer service is terrible to non-existent. Absolutely will NEVER EVER use them again.

Jeff and his dad are the only ones I would take my guitars or amps to for repair! I've had many guitars and transistor based organs worked on by these guys, along with a few tube amps, and they are simply the best in the Valley. One time I did go in, and the dude working the counter -I think he was part of the resale part of the store and not affiliated with M-Troniks- completely ignored my girlfriend and her daughter, who needed to ask a question about her Farfisa, while he chatted with some other dude about guitars, for like, 15 minutes. Rude customer service, by no means affiliated with M-Troniks- shame on you, dude. Go here. It's the best. read more

I contacted Randall to find a authorized service center for my Randall amp. M-Troniks was third on the list but closest to my house. They were extremely friendly- and I told them not to go over $200 to fix the hum.. They wanted $60 "security deposit." So, after a month had passed I finally got a call saying the bill would be more than $200 if they fixed it so I told them don't. I picked up the amp today but they're keeping the $60. So it looks like I am donating $60 to give me an estimate. If they charge to give estimates they should say that upfront. Not the way I would do business and I cannot recommend them. read more

Sorry, I have to vent here. In December I dropped my Line 6 POD HD500 pedal and broke the USB connector. Found out M-Troniks was an Authorized Repair Center so I took it over there. After 3 weeks of not hearing anything I followed up. Found out things were moving slow because of vacations. Another week and I find that the USB had been fixed, deposit covered what I owed, cool, BUT there was no output. My pedal wasn't making any sound. I was pissed, not their fault but I decided that it wasn't worth the $250 for a new circuit board. Changed my mind the next day and ok'd the repair. I visited the shop after a couple of weeks, no part. Jeff said he'd email Line 6. Couple of weeks later I stopped by, part is on backorder, Jeff would send another email. 4 weeks later after no word I stopped by. Nothing. Today I went by and collected my pedal. Over 5 months after I dropped it off at an authorized service center I pulled my pedal out of the shop unfixed. Took it home and plugged it in. It fired right up but not output. Then I saw the the input on the patch that was selected didn't have an input patched that would allow them to hear anything. I simply selected a different patch and voila! There is nothing wrong with my petal. It works as advertized.For 5 months I was without it and had even spent a few hundred dollars to pick up a couple of stomp-boxes to keep me in the game while I was waiting. Had the part come in I would have been charged the $250 for that and never would have know that it wasn't necessary. WOW. That was just today so I'm still a little pissed. I'm sure their a good shop but they failed me, both in their troubleshooting and in their customer service. I can't and won't recommend them for repairs read more

I've been going here for years now and these guys have always gone the extra mile for me! I won't take my gear anywhere else, and these dudes are the only techs that will ever touch my guitars and basses! True professionals. read more

I called in before going down to the shop about three weeks before I could get there. The person I spoke to on the phone was very short with me and I had a Behringer Keyboard AMP for repair. I was told that they do not service Behringer and don't do parts for them. I mentioned what the issue was (sound comes out but volume goes up and down sporadically). I was told that since sound is coming out that they could take a look at it although they don't officially support Behringer. I thought this was a nice gesture and although challenging on the phone at that time, the ability to do this I thought would be a good service on them and felt okay at that point. When I got there it was VERY different experience. I went to the back and spoke to James. As I was explaining about the call, he came around and saw it was Behringer and before I could finish my sentence he was rude and interrupted me that they don't support Behringer. I tried to explain my call originally and kept telling me we don't support it. I was trying to explain about when the person stated that since sound is coming out they would look at it, James explained to me that he considers Behringer equipment to be "throw out equipment" and not worth looking at. I mentioned that maybe it could be a "varistor or resistor" (not electronic savvy)...and interrupted me says "a what?" (in almost a condescending tone)....and stated that I don't know who you spoke to since I am here everyday and pick up the phone. It probably was James originally since that was a difficult conversation to begin with on the first call. The level of how to deal with a new client and service in "working with someone" was not in order. I just had to say "okay then..thank you"...and picked up my amp and left. Waste of time to come back down after my original phone call (reason I called in the first place). I would have paid for someone just to tell me what was wrong and could have figured out how to get it repaired by someone else and get parts or service etc.....if that was what was needed. It would be certainly cheaper in the long run for me just to know what was wrong and do that locally. In all honesty I will research other repair places in general in town and recommend to many musicians I know here in town to consider other places first as the level of just trying to 'talk' to someone was extremely difficult (my opinion) and felt that James was arrogant and I have never really written reviews before as I just chalk up things for experience but this was such a waste after first speaking on the phone to go down there just to be "shut up" in the middle of sentences and would not "listen" to maybe working with me...or even maybe recommending somewhere else to go? How you handle situations is more important than the situation itself and "how" this was being handled was not a good experience. I am sure that they do a good job for things they work on. But that does not give folks like James in particular the right to speak the way he did....I know for sure I was VERY calm in speaking back to James that day for the record. Thanks in advance. read more

M-Troniks is awesome....They can fix any musical instrument, amp, pedal, etc...They are professional and timely on all repairs. I brought old synths and tone modules to them for years and they are as good as new. It is great to have them in the valley... 5 stars to them! read more

I bought a Roland RD700X Keyboard about 6 years ago, and performed NO maintenance on this wonderful piece of gear (tragic, yes). I know now the error of my ways, thanks to Jeff @ MTroniks, who magically restored my keyboard to a literally brand new status. Let me put it this way... I walked into MTroniks an oblivious soul searching for answers. Or in other words, I was looking to fix literally 2 keys on my keyboard (both A's, I guess we play in A a lot)... Jeff said he'd take a look at it and call me back. About a week later I got a call from Jeff saying that he could absolutely fix the two individual keys, but that he recommend I literally get an entirely new board frame (the board that lies underneath the keys), as replacing the two keys would not fix the responsiveness of the other 86 potentially broken keys... The condition of my Roland was so bad that now, in hindsight, I feel ashamed to call a myself keyboard player due to the lack of awareness I had in the actual mechanics of my board. You'd be surprised as to how much damage you can actually do within a time frame of even 1 or 2 years...Turns out I had literally demolished the physical frame that lies underneath the actual keys on my board (natural wear and tear of course, plus I rock out from time to time :) ) Bottom line is...A brand new "keyboard" (the board that goes underneath your actual keys) costs around 6 to 7 hundred dollars (I looked it up and this is MORE than reasonable...). Jeff let me know the true value of this essential piece of equipment. Jeff also let me know that he had a spare board literally of the EXACT model type. He nonchalantly then stated that he would charge me a total price of $240.00 INCLUDING labor. The only requirement or condition, I later found out, was to write a review on Yelp :). So here I am, sharing literally one of the best experiences I've had in nearly any commercial sense, for your benefit, as well as any benefit Mtroniks may receive from this review. I have absolutely no need to even think about or look for another repair shop, as this experience alone has solidified my endorsement of this outstanding company. OUTSTANDING. So to summarize...I spent nearly 3000 dollars on a brand new keyboard 6 years ago. About 2 weeks ago, this keyboard was worth about 1/3 of that price. With Mtroniks and about $240 dollars, my keyboard has guaranteed doubled in value, both economically and personally. Jeff replaced the actual physical keyboard bed with a virtually brand new bed, so the keys feel like they did on Day 1, extremely responsive. Jeff also fixed my sustain pedal (I asked him to take a quick look and he said no problem) - Turns out some of the wiring was unsecure, so if my foot hit the pedal to the left it would work, to the right it would not...Not anymore! Jeff also fixed my LCD screen, because my bass player used a stand that was not meant to fit a 60 lb keyboard, and the whole thing basically dropped from 5 feet in the air to the ground, letting out a mind-shattering sound @ the Marquee (to this day the worst sound I've ever heard). Now my LCD is visible in the daylight! Honestly, if you are still reading this I just have one last thing to say. TWO HUNDRED AND FORTY DOLLARS??? I speak the truth when I say that I will only go to Mtronix for ALL of my instrument repairs. Thanks guys read more

The great Yelp reviews led me to take my Marshall combo to Mtroniks for repair. Unfortunately I did not have a positive experience like everybody else. After 5 weeks and no status updates, I gave up and picked up the amp. Still looking for an amp tech. read more

I brought my line 6 spider iv 15 watt amp in for repair and man did they screw it up even more. I brought it in because it had a volume problem. The amp would scream even with the channel volume and master volume turned down. They took a look at it and told me what the problem was and that it would be fixed in a week. I payed them the $40 they asked for, and I got my amp back within a week like I was told. However, there were more problems than before. They fixed the screaming problem, but now it stays quiet even if you have the sound levels turned up. Plus, one of the knobs fell into my hand just by gently turning it. How they managed to break a knob? I have no clue. One last thing.. The effects turn on randomly. I'll have both effects knobs turned completely off, but while I'm playing my guitar, random effects will activate, messing up the music I was trying to create. I will never go back to this place for a repair. You can try it if you'd like, but there's definitely a risk that your equipment will be retuned in worse condition. read more

I purchased a brand new Warwick Streamer LX 5 string from The Bass Place in Peoria, AZ back in October of 2013. I loved this bass, but I wanted to install the Bartolini pickups and a Noll preamp. I had taken my SWR preamp into Jeff prior and he fixed it with no problems. But when I took my bass in to him to do the install, bottom line is, he TRASHED my bass!! After bringing it to him, he agreed he would do the installs while I waited. So, he said I should take lunch while he worked on it. He told me it would only take 30 minutes. I came back an hour later and he was still not finished. I did not attempt to rush him in any way... about 20 more minutes and he said he was done. He then brings the bass to me and says I have some bad news for you - with a $hit eating grin on his face, almost as if he was happy about it! I didn't believe that he had bad news... I thought he was kidding and said something kind of funny to him and he says back to me (firmly) NO... I have bad news for you! He had scratched my bass all over the upper horn and various small scratches over the entire body and told me that he had checked my bass coming in and said the small scratches were already there. YAH RIGHT!! This was a Brand New bass I had just purchased the day before!! It had not ONE scratch on it. A friend of mine who is also a professional bassist checked the bass over the day before I brought it to Jeff and said there was not a single scratch on this bass and that he thought it was beautiful. On to the installation... The preamp needed a stack pot taken out of the preamp and 2 standard one's put in. He took TWO pots out and then replaced them with damaged pots. They are very hard to turn and when I plugged my bass in at home, it was very noisy/scratchy and sounded absolutely awful! I don't have any clue what I may have done to Jeff at M-Troniks in Mesa... only thing I can think of is I was going to buy a bass from him a couple of years ago and ended up not buying it from him. Maybe he was extremely mad about it?? I don't know... I can't think of WHY he would do such an unbelievably harsh thing to me. Then he down-right lies to me when he told me HOW the bass got scratched. He said when he was removing the strings, the brass nut popped off and hit the upper horn doing extensive scratching to it. REALLY?? The nut would never pop off like that and even if it were... the scratches were way beyond what would have occurred! He told me to bring the bass back the following day to have it repaired by his finishing guy. Yah right, he doesn't even have any place big enough for a finshing shop, there and WHY would I trust him at this point, since he was so careless to begin with?? The reason he was installing the preamp and pickups while I waited is because I live on one side of the valley and he on the other and my van gets 10 mpg. So, I didn't want to have to make two trips out there. But then he finds a way to make me have to drive out a second time, anyway. No way! Wow... and he said he would not charge me until the bass had been repaired. So he gave me no receipt for the job. At this point, I would obviously, NEVER trust Jeff Naylor, the owner of M-Troniks in Mesa, AZ to do anything for me ever again! I cannot think for one moment that he could have someone repair the scratches to the oil-poly finish. One pro painter I spoke to said that once oil-poly is scratched, you will never be able to repair it. The whole bass needs to be completely refinished. He will say what he will say to make himself look good... but I am being absolutely honest here! Jeff used to be good... NOT anymore and I wish who ever decides to patronize this place anymore- a lot of luck!! read more