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In Reply to: RE: 5.1 questions.. posted by cloudwalker on January 27, 2016 at 10:15:18
If you send 2 channel audio to a 5.1 channel receiver that has the ability to synthesize the 2 channels to 5.1 then you will get music from all your speakers, otherwise you will just get 2 channel music from the front speakers.
A 5.1 receiver has 5 channels of amplification (2 channels for the front speakers, 1 channel for the center speaker and 2 channels for the rear speakers) and a line-out (or LFE) output for a powered subwoofer.
If your receiver has speaker outputs for A and B (A/B) these outputs share the same 2 channel amplifier. In a 5.1 channel receiver it will be the front 2 channels. If you select either A or B you will get music only from the speakers that are hooked up to either A or B. If your receiver also has an A+B option then the amplifier output will be split between both A and B outputs and you will get music from both pairs of speakers. Read you manual for speaker impedance requirements when using the A+B option.
If I have not answered your question hit me up with a reply and I will try again.
Thank you for the answer in English. If a receiver is a multi zone receiver, which amps drive zone 2?
The "A" speaker option is the same as zone 1 and the "B" speaker option is the same as zone 2. So it would be the same as described above for A, A+B, B. Some receivers with more channels (e.g. 7.1) will use the 2 additional channels to power the zone 2 speakers and still have 5.1 channels for zone 1. Some receivers may even use 2 of the 5 channels for the second zone leaving 3.1 channels for the main system. If the receiver has additional pre-amp outputs for more zones you will have to add an additional amplifier for each zone. Manufacturers and receivers use different methods so it would be a good idea to download the manuals for the receivers that you are considering.
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