Question about Pioneer Audio Players & Recorders
SOURCE: Bose 901 Active EQ Loop
There's good news and bad news. The bad news is that a multichannel receiver with Bose 901's will only sound right in STEREO on stereo analog material. For one thing, the other speakers around the room are not designed to recieve its Active Equalization and for another, if you engage your Tape Monitor you will not be able to play digital sources. Tape Monitor is for analog stereo material only and on my receiver it disables any digital inputs.
The good news. I have a setup similar to what I think you're trying to do and it works great!
A separate stereo amp for the 901's was my solution. I run a Carver AV-406 (5-channel amp) for my 901's in Front, 2 Subwoofers and the Rear Surround channel, with the Active EQ between the receiver Front L&R Outputs and the 901's amp channels. My receiver controls everything and just drives the Center and Surround speakers. You could get by with just a stereo amp for the 901's. A Carver M-200 is a good efficient amplifier that would have you cooking just fine (2x100W).
Run the dbx and BSR in tandem with each through the tape monitor loop on the receiver but be advised you can only use them on analog source stero material. However, you can still employ the various DSP options to spread the sound around the room.
At my PC workstation across the room I have a stack of analog processors and sources including dbx 3bx-ds, dbx 120x-ds, BSR Spatial Enhancer, BBE 462 Sonic Maximizer, SS-525x EQ, Carver C-9, dbx-224x, JVC cassette deck, Dual 1249 Turntable running through a Garrard MRM-101 Preamp, Pioneer PDR-509 CD Recorder and the Media Center PC stereo analog channels all running through a dbx 400x Program Route Selector (a godsend) which is attached to my ONE TAPE MONITOR on my Pioneer VSX-36TX Receiver. Of course, I have some of my analog processors running in tandem, too, since the 224x only has three processor and three tape loops.
For listening/recording anything 2-channel analog I engage the stack through the Tape Monitor. For everything else I turn the Tape Monitor off. The nice thing about the stack being separate is that I can doodle with recording and use headphones while the TV/DVD/Blu-Ray do something else.
Posted on Apr 24, 2009
The use of 901's in any digital AV receiver setup for anything EXCEPT STEREO listening through the 901's alone requires you to have a separate amplifier for them and to avoid having to use a Tape Monitor.
That is because if you activate any Tape Monitor circuit at all, you will kill any digital sources. That is a function of AV receivers in general, nothing to do with 901's. However, you can still draw the Front Left and Right signals out of any Pre-Out (with a Y-cable set, looping the Pre Out directly back to the Main In) or Tape Out jacks (remembering to NEVER activate that monitor on the receiver), go into the Active EQ's Amplifier Connections; then Out of the EQ's Amplifier Connection to a separate amp and attach the 901's to that amp. This way you won't introduce proprietary and potentially damaging Active Equalization back into anything in the AV Receiver with its conventional speakers.
Get yourself a nice separate amp, draw the Front L&R pre-out signals from wherever you can find them. On many, there is a pre-amp out for every channel in case you want to run external amps for any channels. That is how my old Pioneer VSX-36TX is equipped. For others, you may have to borrow the signals from a typical Tape- or Adapter-Out RCA pair. Just remember, AV receivers disable digital inputs as soon as you switch in a Tape Monitor, so choose one you won't have to switch IN. The signal Out is always there regardless of the monitor state.
The AV Receiver can still drive the Center, Surrounds and the Sub(s) as it is designed. This is how mine is wired.
Come to think of it, you could still have conventional Front L&R speakers on the AV Receiver, but why? Maybe one would prefer the 901's for music and some other speakers for surround. Level matching with the 901's to conventional front speakers would only be possible if the separate amp has its own volume, but it would work. Maybe I'll try it someday. None of my current amps has a volume control.
Posted on Nov 30, 2009
Rear Surrounds are not supported on this unit, they would be the 6th and 7th channels in a 7.1 rig. I think you mean Surrounds (channels 4 and 5 in a 5.1 rig).
Lets ponder: How is there any relationship between Surrounds and your separately-amplified Subwoofer? I don't see it, unless you inadvertently chose OFF for the Sub definition when you were in the Speaker selection menus adding the Surrounds. Look again.
Posted on Jan 19, 2010
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There is no way around this part. Get a separate power amp for the 901's if you want to use them in a multichannel way or alongside non-901 speakers.
Connect the Active EQ between the pre-outs and the amp input. Run speaker assignment, levels, etc and have fun.
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