Proficient S12 Subwoofer "sub speaker power failure" Questions

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Question about Acoustic Research Audio Players & Recorders

1 Answer

...sub speaker wire runs to the speakers, the speaker work great! I have tried running a single rca cable from my sub connection on the receiver to the line in and line out on the sub, I get no sound ...

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Question about Velodyne Audio Players & Recorders

1 Answer

...faults. If the above is okay, it is possible that the power supply in the sub, and or the output stage has a failure. In this case the sub will require shop service to have it working again. Jerry

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Question about Audio Players & Recorders

1 Answer

...sub that no longer works. Appears to power up but no audio. I've verified the two internal fuses are fine as is the power transformer and DC rectifier which provided about 45 VDC to the amplifiers. ...

Question about Sony Audio Players & Recorders

1 Answer

...Sub Woofer Out to either channel of the Main Output (below the speaker connectors) and choose FM as the source. This would eliminate direct a Front Channel signal to the sub, bypassing the internal ...

Question about KLH Audio Players & Recorders

3 Answers

...sub. I think I'm gonna chuck mine, which I hate to do since the speaker and cabinet are still good. I've just wasted too much time on it, and already have another in its place. I know this is an OLD ...

Question about Proficient Audio Players & Recorders

1 Answer

...power supply is working but it is possible that there is no supply to the SUB WOOFER amplifier. It is important to remove and open the unit to probe and confirm.It can be failure of the inline ...

Question about Yamaha Audio Players & Recorders

2 Answers

...sub-woofer, because the midrange and high speaker circuits filter it out. Check the input connectors, cable at both ends, wiggle the jacks at a low volume setting to see if it changes. Make sure that ...

Question about Infinity Audio Players & Recorders

1 Answer

...no other connections made to amp etc) the sub goes full blown noise. I am afraid to connect it to system. what could be wrong? It sounds like a power supply failure. It needs to go to a repair

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