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A friend is setting up a HT, w/ a new DVD player, new Sony A/V receiver (DE-STR885) and existing Infinity speakers.She can't get a test tone from her powered sub during calibration, and doesn't think she hears anything while playing a DVD.
She's setting front speakers = large, Sub = YES, accepting standard x-over on reciever (120 hz), and is using the LFE connection to her sub via a y-connector (her sub's only line-level input is an RCA stereo pair, so she splits the mono cable into two at the subwoofer to connect).
I went through her owner's manual for both sub and receiver, gave her suggestions (including cranking the sub's x-over knob to the right, 200 Hz, to get it out of the way), setting speakers to small and back to large, other stuff to somehow 'activate' the LFE output.
Any other suggested items to troubleshoot?
Thanks. Yes, I did some searching around but couldn't find a "dead" subwoofer Q and A.
Follow Ups:
This may be a silly question, but have you seen the setup? Giving advice over the phone to non audio people is difficult at best.
if her subs only input are speaker connectors, are you sure the subwoofer is active and not passive? if it is passive and you are using a line-level LFE channel feed from the amp...you ain't gonna get any sound!If the sub is passive i would use a separate amp for the sub or split the signal coming to the front speakers with a filter and send one split to the speaker and the other to the sub.....don't forget to set the receiver to 'NO' subwoofer is you decide to split the speaker level connections to the sub instead of using a separate amp.
Sam
What subwoofer does she have?
...from her description.It's an infinity (don't know model). She described both speaker-level and line-level connections. I asked her if the sub plugged into a power outlet and she said yes. When turned on (or plugged in) there is a glowing light on the sub. It was hooked up previously to a ProLogic system via the speaker-level connections, so the line level has never been tried. I gave her several suggestions, including trying different settings on the sub's own crossover, volume, and also the receivers various menu-driven speaker and sub settings.
I agree w/ Estes that giving advice remotely to a non-audio person is difficult. Don't knock yourselves out on this one...just seeing if there's an obvious fix (or flaw in the receiver) I was not aware of. thanks.
if the sub is passive and there is a cross-over setting in it it may be meant to have the speaker cables from the receiver connected to the sub and then the speakers are connected from the sub itself and would therefore use the crossover.... just a thought
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