Hello forum.
First time poster here. I am embarrassed to say I am very limited when it comes to electronics. I can thoroughly install a decent system, I can identify the difference between a mosfet and capacitor inside an amplifier, but that is about it.
About a year ago the magic smoke genie came out of my T3001. I had to have it repaired twice by a recommended shop. The second time, he updated the amp with some sort of additional protection circuitry that it did not have before. Ever since, the amp will make very limited power before activating this new feature and click the speaker output in and out (with the corresponding indicator light). My best guess is it is limited to about 500 watts. It had never done this before the modification. The technician has bench tested the amp and claims it is working fine.
The amp only sees a 2 ohm load (a pair of 4ohm 18's) that seem to perform well. I have tried 2 different smaller amps and they perform flawlessly with the existing wiring and configuration. I have a run of 0 gauge from the battery and a shorter 0 gauge well cleaned ground. A 250 amp alt with a custom smaller pulley. I am confident in my install. As written before, the amp performed well for about a year before the failure. I was told the original failure was the chassis made contact with the circuit board. The voltage never goes below 12v during this issue while the sound tries to cycle on and off. The power indicator is unaffected.
My question is there an easy way to remove or adjust this now overly sensitive protection feature?
First time poster here. I am embarrassed to say I am very limited when it comes to electronics. I can thoroughly install a decent system, I can identify the difference between a mosfet and capacitor inside an amplifier, but that is about it.
About a year ago the magic smoke genie came out of my T3001. I had to have it repaired twice by a recommended shop. The second time, he updated the amp with some sort of additional protection circuitry that it did not have before. Ever since, the amp will make very limited power before activating this new feature and click the speaker output in and out (with the corresponding indicator light). My best guess is it is limited to about 500 watts. It had never done this before the modification. The technician has bench tested the amp and claims it is working fine.
The amp only sees a 2 ohm load (a pair of 4ohm 18's) that seem to perform well. I have tried 2 different smaller amps and they perform flawlessly with the existing wiring and configuration. I have a run of 0 gauge from the battery and a shorter 0 gauge well cleaned ground. A 250 amp alt with a custom smaller pulley. I am confident in my install. As written before, the amp performed well for about a year before the failure. I was told the original failure was the chassis made contact with the circuit board. The voltage never goes below 12v during this issue while the sound tries to cycle on and off. The power indicator is unaffected.
My question is there an easy way to remove or adjust this now overly sensitive protection feature?
I thought I should mention that since all of this I am temporarily using a Rockford Fosgate T750X1BD. Although it is far from a monster, it is performing perfectly with all the same wiring that was used for the T3001. With that and also the T3001 had been doing great for so long leads me to believe it is an amp problem.
Thanks in advance for any help some one may offer.
Thanks in advance for any help some one may offer.
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Click that, when the new window opens, type in the box,
I have posted in the wrong section - Please move this to the Car Audio section - Thank you.
https://www.diyaudio.com/forums/car-audio/
Click that, when the new window opens, type in the box,
I have posted in the wrong section - Please move this to the Car Audio section - Thank you.
https://www.diyaudio.com/forums/car-audio/
Hi, first, open the amplifier and take a high-quality photo of the interior to let us know what kind of changes have been made.
Usually these types of amplifiers are easily repairable, because they are not of the "self-oscillating" type and having a carrier frequency generated separately, step-by-step checks can be made, and if everything is ok, there is no reason why the amplifier should not function or operate "less" than its maximum potential.
Rather, a defective protection circuit can cause problems for which you usually lose your head.
Usually these types of amplifiers are easily repairable, because they are not of the "self-oscillating" type and having a carrier frequency generated separately, step-by-step checks can be made, and if everything is ok, there is no reason why the amplifier should not function or operate "less" than its maximum potential.
Rather, a defective protection circuit can cause problems for which you usually lose your head.
No need to apologise at all.
Just you'll get far better replies in the right section.
Then again a lot of audio crosses many boundaries 🙂 ...
I will take the cover off this weekend and take the best photos I can.
Thank you so much for the response.
In the interim, this section of the car audio Bible would make for good reading. There's a section toward the end which covers taking good pictures. The hard part is lighting.
bcae1.com - Car Amplifier Repair Tutorial - The Basics
bcae1.com - Car Amplifier Repair Tutorial - The Basics