No signal to Bass Amp, but Powered Sub is OK - AVS Forum
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post #1 of 2 Old 05-03-2014, 04:23 PM - Thread Starter
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Hi all,

I have the following setup:

Pioneer Elite SC-05
Pyle Pro PT-1600 Amp
Bass Transducers (in seats)

Subwoofer pre-out is split, one side goes to powered subwoofer, the other to the input of the Pyle-Pro.

I have had this setup for years and never had an issue. Recently I noticed that the bass transducers in the seats no longer shook, even though the powered subwoofer worked fine. When I investigated, I noticed that the Pyle-Pro was on but the signal meter needle never moved from zero. Ok, figured there was a wiring issue. I bought all new cables, still no luck. I tried to skip the splitter and wire directly from the Elite to the Pyle-Pro amp, no luck. I then figured maybe the amp had fried, so I got a newer Pyle-Pro amp and the same thing is happening!

I am now officially stumped and am thinking maybe I leaned on my Elite remote control and changed something. I verified that the SW pre-out crossover is 80Hz, which should be OK. Does anyone have any advice for me on what to look for? To recap:

Direct line from Elite to powered subwoofer: OK
Direct line from Elite to Pyle-Pro amp: Nothing
Splitter from Elite to sub + amp: Sub works, amp nothing
Buy all new splitter wiring: No change
Swap out new Pyle-pro amp: No change

Again, what I see on the Pyle pro is the signal meter never moving (pegged at 0). Thanks for any help you can give me!
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post #2 of 2 Old 05-03-2014, 05:55 PM
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1)did you change the speaker wiring to the TTs too? If not, check that.

2)If you did change the speaker wiring, are the TTs wired in series? If so, you may have a dead TT. Check each TT individually.

I know the "meter" on the amp reads zero but I would still spend a few minutes and check the TTs.


Tom V.
Power Sound Audio
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