Questions & Answers for: adcom power amplifiers

power button on adcom gfa5503 is stuck in the on position power button will not release Hi... Contact ADCOM through their website. They seems pretty helpful. The part is probably an off-the-shelf type

...adcom GFA-5802 power amp? I own 2 adcom 5802s. I would like to buy 2 more and bridge them to run 1 per speaker just to power low frequency drivers. Is it possible? Running an amp in bridge mode ...

Adcom 7500, 5 channel power amplifier. I turn power off and one by one remove the rca input jacks, still hum. Did I fry my preamp? Try just the power amp on ..nothing connected no Dakiom thingy either

...ADCOM GFA-5802 amplifier... ...The power light comes on, but does not heat up nor output sound Have it serviced. Do you know what GFA stands for. People at Adcom do have a great sense of humor. Take ...

Adcom GFA-7400 power amp; 1 dead channel (thermal protect LED on) I have an Adcom GFA-7400 multichannel power amplifier, but one channel is not working... How do I fix one channel dead (with thermal ...

...(toggle power switch resistor) If you're friendly about it , the folks at ADCOM will probably give you a schematic Call and talk to tech support i bolive is 158ohm /0.25w metal film 1% but not ...

Adcom GFA-7500 5 channel power amplifier bridgable? no this AMP is not bridgable to get more power out of this amp you need 4 ohm speakers. Power rating 1 - 150 watts into 8 ohm speakers 1 - 225 watts

...Adcom GFA 555 type II that won't shut off when the power switch is turned off...I'm assuming a relay problem? Hi, please replace power switch to solve amplifier problem as power switch internal ...

Adcom amp 5802 running hot Powering polks lsi25, the speakers are 40 feet away ! Using 10 gauge wire It should run hot to touch at idle, about 120F, because it is MOSFET type amplifier.

power switch off on the adcoms, let them sit off for 5 minutes, THEN hit the bridge switch on the back of the adcom's and follow their instructions for bridging. it's pretty easy and tough to go wrong