Question about Bose 901 VI Main / Stereo Speaker

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I have bose 901 speakers. what kind of amplifier(equipment) doI

I have bose 901 speakers and a Marathon Dj-6000 power amplifier, but I want to listen to radio and CD. What kind of amplifier(equipment) do I need to accomplish this?

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Actually, a preamp is only necessary for volume and tone control and to route various signal sources. They went the way of the dinosaur when people abandoned Phono which produces a tiny signal compared to Line Level inputs and is required to raise Phono to Line Level internally, (hence the Pre in preamp).

I'd get into the 21st Century and consider multichannel sound (you''ll need a few conventional speakers) and buy an AV receiver with lots of features but not so much in the power amp because you have that part nailed with the Marathon.

Then, continuing... (Cherry pick what fits.)

I wrote most of this for a different receiver, but if you account for minor differences to your receiver this will work just fine.

There's good news and bad news. The bad news you need a separate amp because a multichannel receiver with Bose 901's attached as recommended for a standard stereo receiver will only sound right in STEREO on stereo analog material. The other speakers around the room are not designed to receive its Active Equalization and if you engage your Tape Monitor you will NOT BE ABLE TO HEAR DIGITAL sources at all. Tape Monitor is for analog stereo material only and on modern AV receivers it disables any digital inputs so you really can't use the Tape Monitor circuit or attached devices for modern digital sources. However, you can still employ the various DSP options to spread 2-channel analog source material around the room. I do.

The good news. I have a setup similar to what you might want 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 it with the Active EQ between the receiver Front L&R Pre-Outputs ** and the 901's amp channels.

** Front Pre Out (or one of your analog Tape Outs) >>> Bose EQ Amplifer IN, then
Bose EQ Amplier OUT >>> new amplifier IN.

Attach the 901's to the new amp, set its volume to Max and run through your receiver's speaker level setup.

Write off the Tape Out as an input if you use it to extract the Front L&R channels. DO NOT monitor it or you'll chop the 901's out of the signal path AND kill any digital source audio in the receiver.

Posted on Nov 30, 2009

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You will need a pre-amplifier,a tuner,and a cd player.also the Bose active EQ that matches the series of your 901s.

Posted on Jan 07, 2009

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2 Answers

Bose 901 equilizer connections to sansui G901DB


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.

Jun 17, 2014 | Bose 901 VI Main / Stereo Speaker

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Just purchased Sony DA5800 ES reciever will my Bose 901 speakers work with this? Need help


Bose 901 speakers are designed to use with the Bose equaliser patched between the pre-amplifier out and power-amplifier in of your receiver. Having said that, Bose did not invent EQ, neither is EQ a mystical process. Not sure which series 901s you are talking about, but I would definitely be experimenting with the built-in EQ supplied with your Sony DA5800 ES. The manual says you have +/- 10 dB of adjustment for treble and bass for each of the surround channels. That is not really adequate in my opinion, not only would I be seeking +/- 15 dB, but I would also like to be able to apply those adjustments at frequencies chosen by me, not just 'treble' and 'bass' To use the Bose EQ, it needs to be patched between a preamp output and power amp input. The Sony DA5800 ES has preamp outputs, so you could use these (Note that the built-in EQ is disabled when using these outputs) In this case you could either feed the signals back into the Sony (post Bose EQ) perhaps using a different 'Zone'. As an alternative option, you could power your 901's with a stand-alone two channel power amplifier. Then you get the full benefit of the Bose EQ as well as the surround sound from your Sony (front L+R speakers off) It all sounds like a lot of fun. Happy listening! Cheers, Don.

Nov 28, 2013 | Bose 901 VI Main / Stereo Speaker

1 Answer

I just purchased 2 used pairs of Bose 901 series III. The problem is they came with just 1 active EQ. Can I all 4 with just one EQ. Thank Tyler


Yes, if they're all on the same 2 amplifier channels.

If you're pondering some kind of employement in a multichannel system look around fixya for the dozens of post I've made addressing various scenarios. Keyword: Bode 901

Jan 16, 2011 | Bose 901 VI Main / Stereo Speaker

1 Answer

`Which ampliphier is compatible for my Bose 901 series 6 with equilazer.


Ideally, an amplifier or receiver should have either a "Tape Monitor" selector switch and Tape Input & Tape Output jacks, OR have Preamp Output & Amp Input jacks to enable insertion of the Bose Active equalizer into the circuit before the amplifier stage. Power requirements - according to the 901 Series VI manual:

"Your 901 speakers are designed to work compatibly with receivers or amplifiers rated from
10 to 450 watts per channel."

If you have questions not answered by the manual, you can contact customer service at The Bose Corporation in Framingham, MASS toll free at:

1-800-999-2673
Hours of operation:
7 AM - 2 AM ET, 7 days a week

I hope this helped & good luck!

Nov 22, 2010 | Bose 901 VI Main / Stereo Speaker

1 Answer

I have the bose 901 wallnut sceries i have yet to find a conpatible reciver to run them


For stereo audio only: Any powerful receiver with at least one Tape Monitor loop will work. No other speakers types (excpet 901 -1 or -2) will be supported by the receiver running the 901's. 901 series 1's are very power hungry so figure on 150 REAL watts per channel and clean.

For multichannel audio and the 901's as the front speakers: Any AV Receiver with a set of Preamp Outputs for Front L and R; AND a separate HIGH-powered amplifier to drive the 901's ONLY.

May 29, 2010 | Bose 901 VI Main / Stereo Speaker

2 Answers

Best amplifier for bose 901 VI speakers


By all-in-one amplifier that handles the surround I think you mean all-in-one receiver or preamp. Amps are just big dumb muscular power supplies for speakers.

The source control and digital decoding could be handled by a modern AV receiver with multichannel analog outputs for driving separate amps or you could get a digital AV preamplifier/control unit functionally like this Adcom. Prepare for sticker shock.

http://hdtvdreams.com/Adcom-GTP-870HD-7.1-Multi-Channel-Processor/Preamplifier-GTP870HD.aspx

Understand that EACH PAIR of Bose 901's will require its own DEDICATED two channels of amplification AND someplace to jack in its Active Equalizer - between the line level source and the power amp.

Conventional speakers can probably run off the receiver's amplifiers since they don't/can't/must not have the Bose Active EQ in line with them.

Having a single pair of 901's plus a passive subwoofer or two in the same room for accurate 6- or 7.1 surround would require at least four stereo amps or some combination that adds up to 8 channels.

In my own system I have a Pioneer VSX-36TX Receiver (with 5 potential channels of amplification for Left, Right, Center, two Surrounds) doing light duty as the control and routing center but ONLY driving the Center (two Kenwood 777's) and Surround speakers (Bose 301's). I have a Carver 5-channel amp pushing the Bose 901 Front speakers (100Wx2), two dbx Subwoofers (110Wx1) and the Bose 301 Rear Surround speakers (60Wx1).

You could probably get by with a powerful 2-, 3- or 4-channel amplifier to push the 901's and subwoofer(s) as I did. It's the cheapest way out if you get a decent AV receiver. Once you set up the levels and delays the receiver does all the thinking and controlling for you.

Mar 18, 2009 | Bose 901 VI Main / Stereo Speaker

1 Answer

What kind of amplifier and other accessories are recommended for bose 901 speakers


I would recommend a high power 2-channel amplifier, minimum 16 guage speaker wire, and of course the Bose 901 active EQ that matches the series of your speakers. I use a Yamaha mx-830 power amp & cx-830 pre amp 170 wpc They (Bose) claim that they're unlimited power handling, But if you use a amplifier with to little power and overdrive it to make it louder, you could damage the speakers or amp. With my 170 watt class A amp,the 901 series 6 will blow wind across the room. Go with the best amp you can afford! best for money- Yamaha,Denon,Onkyo!

Dec 22, 2008 | Bose 901 VI Main / Stereo Speaker

3 Answers

How to connect bose 901 speakers to 5.1 setup?


The solution is simple and cheaper than you think.

The analog 5.1, 6.1, 7.1 outputs on your receiver should be active even with digital inputs that you want to hear. Your receiver turns everything it processes into analog output just before the speakers anyway so there's no loss of access to multichannel sound this way.

What I did was to buy a separate amp for the 901's and feed the Front L&R analog audio out to the EQ which is directly in front of the amp. The Active EQ is only for the 901's which don't have woofers or tweeters so Bose flattened out its final response electronically with some serious boosting at both ends. Having it in line with any other speakers would feed them a grossly over-compensated signal.

Your receiver will drive the rest of the speakers.

This is the cheapest way to have your 901's and hear them, too. Since the 901's are really efficient you don't have to buy a big amp that would heat the room. I'm using a separate Carver amp with 2x100w for mine.

Sep 09, 2008 | Bose 901 VI Main / Stereo Speaker

1 Answer

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.

Nov 28, 2007 | Bose 901 VI Main / Stereo Speaker

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