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Recognized Expert
sonimax
Posts: 875
Registered: ‎08-14-2008

Bi-wiring vs bi-amping.

That's a notion that return often on the forum. Why some speakers have two sets of binding post and what's the difference between bi-wiring and bi-amping?

There's a picture of bi-wiring where you use two sets of cable from the amplifier and the speaker:

 

17678d1173020204-hva-gjor-biamping-biwire.jpg

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Recognized Expert
sonimax
Posts: 875
Registered: ‎08-14-2008

Re: Bi-wiring vs bi-amping.

And this is a picture of bi-amping where you use two amplifiers, one for the bass section and the other for the high section of the speaker.

 

biamp.jpg

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larry777
Posts: 787
Registered: ‎11-10-2008

Re: Bi-wiring vs bi-amping.

Some people use the Zone 2 amplifers of their A/V Receiver to " Bi Amp " the front left and right speakers. That way you wouldn't need a second seperate amplifer to do the job.

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sonimax
Posts: 875
Registered: ‎08-14-2008
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Re: Bi-wiring vs bi-amping.

Yes you're right but it's better to use the amplifiers of the back surround channel from a 7.1 receiver because you're sure that the gain of the two amplifier powering the same loudspeaker is matched. That's usually not the case with a zone 2 amplification circuit and with this zone 2 amplifier you can't apply bass management.

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larry777
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Re: Bi-wiring vs bi-amping.

Its exactly those rear surround channels that I assigned to Bi Amp my front L and R speakers, with bass management included on my Denon Receiver. Good Point. You have to assign these Amps as part of your Receiver setup to the L and R speakers though , or you will only get the Rear surround signals running part of your front speakers, and would miss a lot of sound ( without this Amp Assign Function ).

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sonimax
Posts: 875
Registered: ‎08-14-2008
0

Re: Bi-wiring vs bi-amping.

In fact, the capability of 7.1 receivers to bi-amp the two front speakers from the back surround amplifiers are the main reason to get that sort of receiver. Most rooms are not ideal for a 7.1 channels setup anyway.

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