Recent content by Topcat

Check Out Crystal mobile sounds amplifiers. Have done alot of testing on all of them. They're reliable and will give you what you want. Prices are very reasonable

give me an email address and I'll send you a detailed troubleshooting procedure for your dad about protection circuits and possibilities of what could actually be wrong. This way I won't be accused of spamming for business, etc. I've had several of the MA HC1302's in the shop, but unfortunately...

Most of the time, when this happens, even though the fuses blow, internal damage occurs to the amplifier itself. I would disconnect the power wire, measure the voltage on the wire itself. If you have 12 volts, hook it back up to the amp. Then aply power and measure at the amplifier terminals. If...

Does the amp go in to protect and stay there? If so, you could have some internal damage caused by whatever. If you have another amp, see if that works with your system to determine if something is wrong with the amp itself.

First - add all the fuse ratings of all your amplifiers. Then divide the total RMS watts by Total Peak watts and multiply this figure times your total fuse rating. This is the approximate current draw for your sound system. For example, you have three(3) amplifiers, Amp 1 has a 100a fuse and is...

go to radio shack and for about $30.00 buck, get one of their butane soldering irons. You can adjust it and its portable.

here's a cheap easy way to estimate your systems requirements. First - add all the fuse ratings of all your amplifiers. Then divide the total RMS watts by Total Peak watts and multiply this figure times your total fuse rating. This is the approximate current draw for your sound system. For...

Sounds like whoever repaired the amp didn't finish troubleshooting it completely. Find out what exactly they repaired. Sometimes the PWM chip and the driver chip also need to be replace. One bad resistor or driver can destroy all of the new transistors. Another thing, If the power supply...

check out cia engineering. They do amp mods and repairs.

remember that a fuse rating is the minimum rating and that on some peaks will allow more flow. this in turn could have caused some internal amp damage. change fuses out and then power up the amp. If it doesn't power up or have any output, then you probably have internal damage.

I've serviced alot of MA amplifiers and have a couple of reversed engineered schematics for a few models. Describe the problem your having and maybe I can tell exactly whats wrong and how to fix

try beefing up the wiring to 4 gauge

call tech service at JBL, if they can't help send me an email and I'll help you figure something out

Our average price to fix an amp is around $ 100.00 bucks. email me and maybe we can figure out exactly whats wrong with it first and what exactly happened. this information is critical when troubleshooting the amp. ciaservice@ciaengineering.com

Shouldn't be a problem but I personally repair all kinds of amplifiers and would suggest you check out Digikey or Mouser and replace with the same cap.