How can i use two equalizers, one each, for each set of bose 901's. I have two monitor in and outs on my NAD 372, but can't seem to get it working. I can get one working, but is it actually working on both A & B speakers?
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Re: Using two equalizers on two sets of Bose 901's
As I have figured from your question you are trying to independently control levels for two sets of Bose speakers attached to your NAD amplifier. The problem lies in that the amplifier can only read one signal at a time, so in theory it will only accept a signal from one equalizer and output it to speakers attached to A and/or B terminals. In order to process different eq settings to two seperate pairs of speakers you will need to use two amplifiers, or an amplifier with built in channel controls for speaker set A and speaker set B.
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It sounds like you may have only the 901 loudspeakers, and not also the companion 901 equalizer box. You must install the 901 equalizer properly--using the tape monitor loop of the G901 receiver. If you of not, the 901 loudspeakers will perform poorly.
As far as I know, any equalizer will work. There is a guy on here that might know more about them, but I never had the Bose equalizer and I have Bose speakers for 35 years. The guy at the electronic store back then sold us a little equalizer at first, we graduated from that a long time ago, and now on the 3rd or 4th one. No problem, works great, sounds better than ever. Hope this helps.
There is no direct connection between the 901's and their Active Equalizer. It is designed to be inserted between the source and the DEDICATED amplifier driving the speakers. Typically, this would be in a Tape Monitor loop on a receiver.
Tape Rec/Out to EQ In; EQ Out to Tape Play/In on the receiver. If you have a tape deck(s), it(they) would go into the back of the Bose EQ as if it was the receiver and you would use the Tape and 1/2 buttons for selection.
Or,if you have access to any other point that doesn't use the Tape Monitor, like a Pre Out/Main In jumper set, place the Equalizer there. That way it's always in front of the speakers and doesn't take up the Tape Mon.
Flip in the Tape Monitor and leave it on or the speakers will not receive the essential ACTIVE Equalization they require for proper frequency response. DO NOT place non-901's onto any amp using the Active EQ.
Like any speakers, the 901's will attach to the speaker terminals in the conventional manner.
The Bose EQ connects to the tape out and tape in on the amplifier or reciever. If you were using these for a tape deck, you will then have to connect the tape deck to the tape in and out on the Bose EQ.
one option that may yield results, since the bose connection to equalizer is presently not possible is to set the speaker out put on the denon for 'small' on all but the front speakers. and then set the delay for all speakers based on the distance to the amp. this should result in better audio that that with the bose eq. will work on the issue of using the eq. with the denon if you like. but, you will likely not improve on the sound with the denon set up correctly. good luck mark