Question about Onkyo TX-SR605 Receiver

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Bose 901 equalizer

I saw your 11/2008 response to this same question but did not understand your answer as to how to hook up. I have an Onkyo receiver with 4 tape slots.

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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 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 Apr 25, 2009

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The manual is linked below. Page 19 advises you to use the "MD/CDR" - "IN (PLAY)" and "OUT (REC)" analog audio jacks.

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http://data.manualslib.com/pdf/20/1975/197493-yamaha/htr5840.pdf?ace7c7b79ec34305a811125fb9ef1160&take=binary

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


Run speaker assignment, levels, etc and have fun.

Helpful Hint: If you don't have sufficient between-speaker room for proper reflection off the front wall you CAN turn the 901's around and you won't believe the amount of air these things push! I have actually felt it ten feet away after explosions or crashing ocean wave sounds. Now THAT is multi-media.

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Referring to the picture and remembering that ONLY 901's can run off of any particular amplifier.

http://vintageelectronics.betamaxcollectors.com/sansuistereoreceivermodel8900zdb.html

I can't make out the label for tape copying. You want the 901 EQ to be the "TO" when 'copy' is selected. That way it's EQ will not affect your taping to the upstream deck or processor. Or in your case, you want the RG-1 to proceess the audio first, not after the 901 EQ changes it.

http://www.classicaudio.com/forsale/pio/RG1.html

In to Outs. Both the RG-1 and the 901 Active EQ have facilities for attaching other processors or tape deck(s) within their tape loops. In a pinch you could daisy-chain the RG-1 in front of the Bose 901 EQ on a single tape loop to free up the other one.

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Hi,,My onkyo tx-sv828thx problem was it shows "protect" sometimes.then after 2 to 3 second its back to normal operation. What do you think the problem?can i do it by myself? anyway,i am using...


The protect message appears when the current powering an amplifier inside the receiver goes beyond the safety limit or the amplifiers overheat. So just check the wiring and the speakers impedance with an ohmmeter - each should be above 6 ohms
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Ya mean like to hook up Bose 901's? Nevermind.

Utility is in the imagination of the dreamer.

http://www.retrevo.com/support/Onkyo-TX-SR575-Receivers-manual/id/2526bh749/t/2/

Any analog processor can occupy the Tape Out/In loop. However, it will only affect stereo analog sources and, once engaged to monitor, it will disable any digital audio source.

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Get a separate amp for the 901's and the rest falls into place.

1,2, 5) Place the 901 Active EQ between the pre/main front OUT of the receiver and the TFM-55X. Attach the 901's. Keep track of the jumpers you remove from the receiver. Or replace the jumpers with RCA splitter cables so you still have pre/main connection but can share the output with the TFM.

3) Pinnacle subwoofer (self-powered?) to the subwoofer out of the receiver.

4) Bose (AMS???) 5. As surrounds on the receiver. Place the sub module toward the rear so it mates sonically and directionally with them.

What? No center speaker? I'd get something more robust with bass capabilities, like a pair Bose 301 series 1's because the tweeters face in one direction only.

Except for the amps and the cube stuff that is essentially what I have. 6.1 with full-range speakers everywhere.

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I would like to know if there is anyway to connect my Bose 901 speakers and Bose Equalizer without using a Amplifier?


The short answer is no. The more useful answer is:

The EQ is designed so that the 901s reproduce the correct sound levels throughout hte audio spectrum. Given the size of the individual speakers (approx 4") and the lack of bottom end response for speakers that small, some tricks are used between the EQ and teh cabinet design to allow for total response from 20Hz to 20,000Hz. That being said, the power to drive the speakers comes from the amp not the EQ. The output of the EQ is not sufficient to drive speakers.

Dan

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