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Get a RCA cable and connect from your amp where it said Sub Woofer in the Pre Out box in the back of the amplifier top left hand side and take it to the "Sub In" located in the back of your Sub woofer bottom right hand (White round connector).
Good Luck!
What
is the difference between bi-wiring and bi-amping?
Bi-wiring is using the same power source (amplifier) but
separately
connecting that power source to a woofer and a
midrange/tweeter on a
speaker.
Bi-amping is using two separate power sources (amplifiers)
and
connecting one amplifier to a woofer and the other amplifier
to a
midrange/tweeter on a speaker.
How do I bi-wire?
Your speaker must have two separate positive and negative
connections (one set for the woofer and one set for the
midrange/tweeter). Connect one wire between the positive
terminal on
the amplifier/receiver the positive terminal on the speaker.
Connect
the other wire from the negative terminal on the
amplifier/receiver
to the corresponding negative terminal on the speaker.
Remove the
jumper straps connecting the two sets of speaker inputs.
Repeat this
process for the second set of terminals on the speaker,
connecting
them to the same positive and negative terminals on the
receiver/amplifier. Repeat the steps for each speaker you
wish to
Bi-Wire, connecting them to the appropriate terminals on
your
receiver/amplifier.
How do I bi-amp? Bi-amping is similar to bi-wiring, but involves
separate
amplifiers: one for the woofer and one for the
midrange/tweeter.
Passive bi-amping involves a direct hookup between each
amplifier
and the speaker terminals. True bi-amping involves hooking
the
preamp to an electronic crossover that replaces the passive
crossover network in the speaker. The active crossover then
connects
to multiple power amplifiers.
What amp/receiver are you using? Have you plugged the sub woofer cable to LFE output on the amp? Are you using the right subwoofer cable? Have you enabled the amp to use the subwoofer?
if you have your front and centers set to 'small' you want your Bass out to be subwoofer only, and the rca jack labeled 'sub out' is the only place to connect your sub to if you want to control the frequencies with your reciever. I dont know the brand of your sub, or the inputs on the back of it to advise you where to connect, but it sounds like it worked for you at one time, but suddenly it does not
Even tho the power light is on doesnt exactly mean that the amp is sending signal to the speaker wires.... sense everything else is working make sure to check your fuses on the amp and also check to make sure that the amp is "receiving" an input from the RCAs
If you are getting power to the amp, try this....Find a small speaker, unhook your sub and wire speaker to amp. Turn on your system at a low volume....If the other speaker is playing through amp, then your sub is shot.....If the small speaker doesnt work, then its either your channel is gone on the amp or the rcas have quit off off your head unit.
Get a powered sub-woofer that has speaker level inputs, then run your front speaker wires into the sub-woofers speaker level input and then run a set of speaker wires from the sub-woofers speaker wire output to your front speakers. This is a common way to use a sub-woofer with a receiver that doesn't have a sub-woofer output.
Most powered sub-woofers have these connections, just check it out first before you buy one. They look like speaker jacks on the back of the receiver.
In general, there are two ways to hook up your sub-woofer. First using the high level outputs from your receiver ( speaker output from the front R & L speaker terminals ) run a set of wires from the outputs to the speaker inputs on the sub-woofer, you do this in concert with the speaker wires going to the front R & L speakers which you then attach to the R & L speaker outputs on the sub woofer amp. Note that the sub woofer doesn't power your front speakers, the connections from the sub amp are just a pass through connection where the signal needed by the sub is parasitically taken from the inputs. Second is via a low level output from your receiver / amp to the low level input on your sub amp. This is normally done via a RCA type of patch cable and connected to the sub woofer RCA jack on the rear of the source receiver or amp, Next run the patch cord to the sub amp an into the RCA jack input. IF you have a right and left input, use the Right input.
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