Re: Speaker light in the back turns on(green) but no...
Well, I will try and help. If there was a problem with any of the innards, ie your amp. It's most likely that the red light would come on ar some horrible sound would be emitted from the woofer. reguardless if there was any input. But let's troubleshoot this anyways.
If you are using the low level input (RCA cable) try hooking it up to something else, if you can. This will determin if it is at all the sub or if it's your amp. Then try using the high input. This requires the speaker terminals in the back. If it works, then we know there is something wrong in the path of low level inputs. If it does not, then we know it has to do with either the connection terminal or something further inside.
You can open your amp and check the solder at all the pin contacts in and around the inputs. If they appear to look stable and sound (no breakage or cracks) start looking at the circuit boards for tall tale signs of anything burnt. If you know haw to use a multi-meter, I would suggest using it and start at one end and check everything. Even though they may not look damaged, a resistor can become bad. If the Capasitors are bad, there will most likely be some spillage coming from it. Becareful and unless you have done repair work before. Don't attempt to replace it. If you put it in wrong and get a reverse charge, it could/will explode.
Aside from that, I don't know what else to tell you. Hope it helps.
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It is hard to say. The sub-woofer has its own amplifier, although it is supplied the sound data from the main amplifier. It could have a problem with the battery power circuit (Sub-Woofer Amplifier Connector Pin 6, LIGHT GREEN/VIOLET) or it could have a problem with the GROUND circuit (Pin 2, BLACK/LIGHT GREEN) Or it could possibly not be receiving the signal from the main amplifier (Pin 7, BROWN/ORANGE "+"), (Pin 8, RED/BLACK "-"). Or it could be that either the sub-woofer speaker is blown, or the sub-woofer amplifier is defective. There is also a "High Audio Mute" circuit that connects between the main amplifier and the sub-woofer amplifier.
Alright i had a chance to look over things, this is how you are going to hook up the sub. first we'll be connecting the surround sound unit to the sub woofer. surround sound unit sub woofer left front: positive (+) <-----to------------->(+) left speaker level in negative ( - )<- - -to- - - - - - ->( - ) left speaker level in
right front: positive (+) <-----to------------->(+) right speaker level in
negative ( - )<- - -to- - - - - - >( - ) right speaker level in
now that the surround sound unit is connected to the sub woofer you will need to connect the front surround sound speakers to the sub woofer. sub woofer front surround sound speaker left speaker level out (+)<-----to--------> (+) left front speaker left speaker level out( - ) <- - - to- - - - ->( - ) left front speaker
right speaker level out (+)<-----to--------> (+) right front speaker right speaker level out( - ) <- - - to- - - ->( - ) right front speaker
Alright now that the wires are all over the place and plugged in turn everything on and see how it sounds. let me know if everything is working as it should. if you need help with anything else or if something does not seem right please feel free to contact me via e-mail or phone Mark Woodring
The connection on the receiver would be the sub woofer out. Not a sub woofer out LFE, a sub woofer out with speaker wire connection. From there you plug it in to the top section of the available terminals on the sub you are referring to (speaker level input). One in positive and the other in negative matching what you did on the receiver with correct ends. The speaker connections underneath the top connections is for additional speakers like surrounds to be able to be connected directly to the sub woofer speaker level out for sound. This of course would be for an older receiver connection. I do not think it is possible to convert this connection to an LFE and have it work properly. If the receiver does not have sub woofer speaker connection and only a RCA out then you can try to connect both rear speaker connections from the receiver to the speaker level inputs on the sub and then connect your rear speakers to the speaker level output on the sub to power them. This is an active sub woofer but for some reason they made it connect as if it was passive. I am not sure if this sub is designed for really low frequencies required for movie or if it is better for music.
You need to use an amplified sub. The Yamaha receiver is only sending "Pre-Amp Signal" not amplified audio like the rest of your speakers. If your sub has a crossover built in, connect it's speaker level (wires) to the "B" side of the receiver which will send audio to your sub and it will cross it over internally. Not the best sounding, but it works. Amplified subs range in price from 200 and up. Hope this helps
This might very well be a fuse - check by setting the sub woofer to "On" to see if it powers up. If it does, there may be a problem with the sub woofer audio cable(s) or connection(s).
Don't forget to check for a tripped circuit breaker or blown fuse on the stereo's speaker output. If your sub is connected to a low level output - this shouldn't be a possible cause - as circuit breakers & fuses are usually on amplified (high level) or speaker outputs.
Another possibility is that the settings of the stereo has been changed from a *.1 system to plain stereo 2.0 or some other setting that disables the LFE (low frequency effects) or sub woofer audio output.
The Boston Micromedia speaker set comes with two speakers (right and left),a subwoofer, and a complete set of cables to connect everything up.
1.) Position the speakers. The two small speakers typically are spaced equal distance apart on a desk/table top to the benefit of the listener. The sub-woofer typically rests under the surface, on the floor for example.
.) Connect the cable sets to the back of the two small speakers along with the speaker feet. Note: the small speaker with the volume control knob will have three cables coming from it. This will be the "right" speaker. The other speaker will have a single cable and will be the "left" speaker.
2.) The cable ends will be color coded to match the jackson the sub-woofer. Match up the color coded cables to the respective colors on the subwoofer as follows:
(a) White cable end (left speaker) to white jack on sub-woofer. (b) Red cable end (right speaker) to red jack (c) Purple cable end (input) to the purple jack (d) Green cable end (computer out) to the computer's microphone output jack.
Note: if any of the cables are too short to reach their jacks for whatever reason, an extender cable with a female and male end can be purchased relatively inexpensively to make up the difference in distance.
3.) Power up the system (plug in power cables to the sub-woofer and wall), play some music, and adjust the sub-woofer sound (control knob) to suit listening pleasure.
A nice little set of speakers, I had mine for some years now and continue to enjoy them. Good luck!