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AT AUCTION TONIGHT ARE SOME ACOUSTIC RESEARCH SPEAKERS FOR SALE

THEIR ARE ID MARKSCAT ALL ON THESE SPEAKERS AND TRYING TO I D THEM BEFORESALE TONIGHT THE A/R ENCLOSURE LOOKS SIMILAR TO A BOSE 901 CAN U HELP ID THEM

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Posted on Jan 02, 2017

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SOURCE: bose 901 series II speskers

To remove the stapled grilles, have a look at:

http://www.audio-circuit.dk/Schematics/Bose_901_I&II_SM.pdf

To go further and remove one or several drivers, remember that these speakers are air-tight (acoustic suspension); Don't break gaskets.

Posted on Jul 09, 2008

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SOURCE: BOSE 901 ACTIVE EQUALIZER

i, trying to hook up a powered subwoofer to my hafler dh 110 and dh 500 running a bose 901 series v active equalizer and series v 901s any info would be appreciated

Posted on Oct 20, 2008

  • 1 Answer

SOURCE: compatable receiver list for Bose 901 series VI

I contacted the Customer support folks at Bose. Here is what they said: With a stereo receiver, the equalizer is run through the tape monitor section in the back of the receiver. The receiver's tape monitor output, left and right, runs to the amp input section of the equalizer, left and right. Then the amp output section of the equalizer, left and right, runs to the receiver's tape monitor input section. With a surround sound, home theater, type of receiver, the theory is the same, but the connection is through the preamp-out/ main amp-in section of the receiver. Not all receivers have this feature. Most, in fact, do not. Check the back of the receiver. There would be a connection made by two U-shaped clips. The plugs would be pulled out. Then connect from the preamp-out to the equalizer's amp input section; and from the equalizer's amp output section to the main amp-in. This effectively isolates the equalizer so that it is not affecting the other speakers in the system or the receiver's surround processing. Attached is a current list of known 901-home theater compatible receivers:
Note: Specifications subject to change without notice. Bose Corporation is not responsible for any inaccuracies due to manufacturer changes. Inclusion in this list does not indicate an endorsement by Bose Corporation. When in doubt contact the manufacturer of the equipment.

I have the list in a pdf document but do not see a way to attach it.
Contact me at danmc@uwyo.edu and I'll forward the pdf.
1-30-2009

Posted on Jan 30, 2009

dunnbiker
  • 8546 Answers

SOURCE: latest model surround receiver for bose 901 speakers VI

I can think of no reason any amp pushing 120 watts would not work with 901-VI's. They're very efficent and will probably play louder and cleaner than you would ever need. As I recall, my old series IV's have no maximum amplifier rating specified, but I did blow up a bridged Carver M-400 Cube (pushing 400 watts to one speaker with a DVD-Audio of Yes - Fragile cranked dangerously high) with them. I'm convinced my speakers are indestructible in any home application.

Keep in mind that whatever you decide to use as your control/amplifier section, a pair of 901's need a dedicated stereo amplifier. I suspect you're thinking surround sound so a receiver with separable preamp/amp channels, due to the Activbe EQ, would be needed and as far as I know they don't exist. 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 and the 901's amp channels. My receiver controls everything and just drives the Center and Surrounds.

Modest amps would work but at very loud volumes may go into clipping, which is bad for any speaker. 120 clean watts is good. I'm using only 110W for mine.

A Carver M-200 is a fine, efficient amplifier that would have you cooking just fine (2x100W).

Posted on Apr 13, 2009

dunnbiker
  • 8546 Answers

SOURCE: 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.

Posted on Apr 13, 2009

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http://forum.ecoustics.com/bbs/messages/3/245643.html

The concensus is it's **** and a scam.

Some opinions...

"anyone who writes that these things sound fine is either making money off of them, a scam victim seeking to pawn off his folly on someone else, or they need to have a root canal performed on their ears."
"If you get approached by people trying to sell you this stuff, take some pictures of them , get a plate # , and call your local police and local news.

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