I have a set of Bose 901 Series VI speakers and equalizer hooked up to my Marantz 2270 receiver in the conventional way, using the tape monitor. I recently purchased a pair of Bose 701s and they, too, sound great. I can't play the two sets together, the equalizer is messing up he sound coming out of the 701s and I have tp slide the controls all the way to the left to make them sound right without totally rewiring everything to take out the equalizer. I have read that I need to get another amp to isolate the 901s and the equalizer and keep the 701s separate. Please excuse my lack of electronics/stereo understanding, but, there is no way to set up the Marantz 2270 using the Pre in/ Main out that I'm not using to isolate the 901's/equalizer to that set of speakers?

SOURCE: Bose 901 v1 adding a amplifier

You may connect an additional amplifier to the Rec Out or Line Out from your existing receiver.
Please note the Bose 901 equalizer can be used to connect to one amplifier only.

Do let me know if you have any further questions.

SOURCE: Bose 901 VI speakers used with sub woofer and Bose mo. 141 rear speakers

just connect 2 speakers to each output.

Harish Unnikrishnan

• 18 Answers
• Posted on May 22, 2008

SOURCE: Will Bose 901 active equialiser connect to SONY AV1100 Receiver

http://www.bose.com/pdf/customer_service/owners/og_901.pdf

SOURCE: Bose 901 series speakers to Bose 901 Equalizer

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.

SOURCE: bose 901 equalizer hookup

I had the same problem- I have a Pioneer VSX-518 and Bose 901 series IV. My receiver has no "Tape Monitor", so after trying different hook ups, I went and bought a "3 input video switcher" (about $10.00) I run my STB (cable box), my PS3 and my computer through the inputs of the switcher (just the audio L/R) then the output to the Bose EQ input, then from the Bose EQ output to my receiver input (I chose to use the TV/DVR input). Now I just have to select which source I want to listen to from the switch, make sure the receiver is set to TV/DVR and I have fantastic sound via my Bose 901s. With this hookup, I have my 3 componets video connected to my HDTV via HDMI cable. It works for me. Hope this helps.