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<blockquote data-quote="rxer311" data-source="post: 8174058" data-attributes="member: 622635">Got a brand new MB Quart OA600.4 amp. I hooked it up today and am running my Pioneer TSD1720c comps off the front channels and a Pioneer single 4ohm TS-W260S4 off the rear channel. I fired it up and no sound. I checked and double checked all of my connections. I checked all my fuses. No protect light but a very, VERY dim power light is lit. I powered the car off again and restarted it and ran to the back to watch the amp power up.Here is what happens (repeatable every time the amp powers on).The power light will come on very bright, the protect light will flicker on and then off in less than a second then the power light will come back on very dim. The amp never had produced any sound.I called Sonic Electronix and they are going to replace the amp since we both suspect that it is a bad amp.What are the chances it is a different problem and what can it be based on the information I have?Thanks.</blockquote>

[QUOTE="rxer311, post: 8174058, member: 622635"] Got a brand new MB Quart OA600.4 amp. I hooked it up today and am running my Pioneer TSD1720c comps off the front channels and a Pioneer single 4ohm TS-W260S4 off the rear channel. I fired it up and no sound. I checked and double checked all of my connections. I checked all my fuses. No protect light but a very, VERY dim power light is lit. I powered the car off again and restarted it and ran to the back to watch the amp power up. Here is what happens (repeatable every time the amp powers on). The power light will come on very bright, the protect light will flicker on and then off in less than a second then the power light will come back on very dim. The amp never had produced any sound. I called Sonic Electronix and they are going to replace the amp since we both suspect that it is a bad amp. What are the chances it is a different problem and what can it be based on the information I have? Thanks. [/QUOTE]

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