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Question about Bose Acoustimass 600 & Pioneer

by diannenet / November 13, 2013 12:17 PM PST

We have the Bose Acoustimass 600 Home Theater Speaker System. Our surround receiver quit working so we had to buy a new one. We purchased the Pioneer VSX-522-K receiver. It is a GREAT receiver but the sound that is coming out of the speakers is really "tinny" sounding. We aren't getting the BOOM BOOM WOW factor from our speakers anymore. Our prior JVC receiver was about 15 years old and we got more bass sound out of it than we can even think about getting with this new set-up. Any suggestions? We have tried various settings for the LFE Attentuate and nothing seems to help. I'm about to pull my hair out because I know it should be sounding a LOT better than it does.

Any help/advice would be appreciated.


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All Answers

Best Answer chosen by diannenet

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One more question
by diannenet / November 15, 2013 4:50 AM PST

We got the Pioneer system to sounding fairly decent but I was wondering if this would be a better receiver for a little more wow factor and bass without having to but a powered subwoofer. I've had a Yamaha before but this was our first pioneer. Please understand we knows little about wattage but not enough to know exactly what we are up against. I truly appreciate all the input.

Yamaha Model: RX-V375BL SKU: 8046066

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did you
by samkh / November 15, 2013 8:39 AM PST
In reply to: One more question

set up your pioneer according to pg. 15 of bose 600 manual? do that before you buy a new receiver. the 522K has plenty of power for the bose. then pick surround mode on pio to suit your taste. finally, when playing media, set player output to bitstream/raw, not pcm.

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No the Yamaha is not going to change thing.
by Oldartq / November 15, 2013 12:04 PM PST
In reply to: One more question

Something that really puzzle me is why the WOW is there with the JVC but not the pioneer. It seems to me the vsx522 should provide you with plenty of power. Was the JVC a 5.1 receiver also? Are you connecting the Pioneer the same way as the JVC (FL-C-FR and SL-SR)?

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Thank you everyone!
by diannenet / November 15, 2013 1:01 PM PST

After reading all the comments, doing a little more research about wattage and db and oHms I think the Pioneer is going to work just fine and is almost giving us the WOW factor. The JVC receiver we had was probably about ten years old and was an awesome 5.1 Dolby Digital receiver.

I just read the post about setting up the speakers per the Bose manual and will do that tomorrow. The Bose Acoustimass 600 system we have is the older version that does not have a powered subwoofer, just the passive subwoofer. I also found some more "settings" on the remote control that the lousy manual doesn't tell you about. I'm happy to hear the Pioneer has the power we need, we just need to continue tweaking.

Thanks everyone for your comments and advice. It educated me and now I don't have to box up the receiver and go through the hassle of returning it and getting another one. You made my husband a very happy man! Happy

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See if the following thread helps at all
by Pepe7 / November 14, 2013 12:05 AM PST

The biggest issue for me is, the Bose isn't actually a true subwoofer but in reality, a bass module. So you might have to futz with a few things on receivers like the Pio, etc.

Have you also run through the other settings for various speaker types? I see the important stuff on p.30 on the manual here:

Also, have you tried the 'plus' setting, mentioned on p.31/left column?
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I am wondering what difference are between...
by Oldartq / November 14, 2013 3:07 AM PST

the JVC and Pioneer, with the VSX I see only pre-out for the sub. which mean not much power so the subwoofer needs to be it? Just my thought on this.

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Correct, since the 600 has a powered bass module (n/t)
by Pepe7 / November 14, 2013 11:37 PM PST


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So the "subwoofer" looking unit is...
by Oldartq / November 15, 2013 12:12 AM PST

really not a subwoofer as we think of it? It covers more than the 120hz sub. frequency? There's no subwoofer connection?I have heard some of these Bose system in stores and I thought they sounded pretty good...but I guess it's not enough for OP.

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by Pepe7 / November 15, 2013 12:51 AM PST

The Bose units do not offer true subwoofers, even the Bose models that do include separate LFE/subwoofer connections in additional to the F/R/C speaker connections. That's why you can most of the time do better (bass-wise) purchasing even a bargain basement sub instead. It's more noticeable outside of the stores in a typical HT or AV space.

The 600 doesn't even connect to the subwoofer/pre out either, which may be why on the pio, it takes some futzing to get halfway decent bass. The Pio receiver specialists @ AVS might be able to help.

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The Bose box
by samkh / November 15, 2013 1:26 AM PST

is a powered bass module. With the tiny speaker in it, it cannot produce the lowest lows that subs are known for, but it does enhance bass tones. The inputs must be high level speaker outputs from the receiver since the module filters out low frequencies and passes unamplified highs to the little cubes.

The OP probably has to play with Pio speaker settings to enable "large" for L/R so that full range is put out since factory defaults usually presume a sub is used in "5.1" and only output lows to the LFE jack.

btw "subs" that have high level inputs behave similarly.

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Don't know if a Frys store is near you, but...
by Oldartq / November 16, 2013 2:52 AM PST
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But the OP would have to purchase separate speakers too
by Pepe7 / November 17, 2013 1:53 AM PST
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