help with bose acoustimass 10 and rx-v681 - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 17 Old 02-14-2019, 02:41 PM - Thread Starter
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help with bose acoustimass 10 and rx-v681

I need help with this system the sub is giving too much bass and i cant control it...its always on and making every movie a disaster with that annoying bass can anyone tell me how to set it up right ?
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post #2 of 17 Old 02-14-2019, 03:21 PM
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Is the AM10 system connected properly?
Need a Bose AM10 manual?


http://www.google.com/url?sa=t&rct=j...vkePDnMOcYqIhZ



If you can’t explain it simply, you don’t understand it well enough – Albert Einstein
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post #3 of 17 Old 02-14-2019, 07:37 PM - Thread Starter
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Quote:
Originally Posted by Ratman View Post
Is the AM10 system connected properly?
Need a Bose AM10 manual?


http://www.google.com/url?sa=t&rct=j...vkePDnMOcYqIhZ
Everything is fine still the base is awful its making the room shake although it nowhere near the wall can you help me with the amp setup
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post #4 of 17 Old 02-15-2019, 03:12 AM
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Set your Dolby AC-3 receiver correctly Your Acoustimass-10 speakers are compatible with the output from Dolby AC-3 receivers. Take special care to set the channel output according to the specifications listed in the chart below. The cube speakers are full-range loudspeakers and must be set up as LARGE speakers on the AC-3 screen menu. An exception is the center speaker, which must be set as SMALL. Turn the subwoofer OFF. Finally, turn the LFE (low frequency effects) ON and set the crossover frequency to 200Hz.
Figure 10 A Dolby Pro-Logic receiver set for NORMAL surround sound


Speaker Setting at receiver
Left and Right Front.......................... Large
Center............................................ ... Small
Left and Right Surround ................... Large
Subwoofer ........................................ OFF (not used)
LFE (low frequency effects) .............. ON
Crossover frequency ........................ 200Hz



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post #5 of 17 Old 02-15-2019, 03:20 PM
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RATMAN: NO WAY, check the above manual....the AM10 does NOT work with the more modern SubWoofer RCA Jack Output....it ONLY connects to L/R/C/SL/SR Speaker Outputs.

It's a very OLD Design (2001) intended to work with OLD Pro-Logic Surround AVR's....prior to DD5.1 AVR's. There are Passive Analog Crossover Filters in the Acoustimass Module which pass Low Freqs to the "Sub-Woofer" [perhaps from only L/R Speaker Inputs?] and Freqs higher than about 200 Hz to the remaining Satellite Speakers.

AM10 does NOT have any Bass Level Controls....the only way to control Bass Levels is via PLACEMENT of the Acoustimass Module [as discussed in the Manual]....and whatever Bass Level Controls are in the AVR.

Last edited by holl_ands; 02-15-2019 at 03:30 PM.
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post #6 of 17 Old 02-16-2019, 05:06 AM
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HOLL_ANDS: WAY. Check page 11 of the above manual, from which I pasted a snippet above. I did not mention LFE input at all in regard to the bass module. The Bose AM10 manual DOES reflect HOW to setup an AC3 receiver, which was my intent.



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post #7 of 17 Old 02-16-2019, 12:22 PM
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Quote:
Originally Posted by ChromeJob View Post
I think holl_ands is correct, the Bose instructions are BS. AND if it's not clear,
Bose provides recommendations. BS? Who knows, but they try.


Quote:
Ratman it looks like you just quoted the Bose manual's instructions verbatim. …
Yes. Is that wrong?


Quote:
There's no active subwoofer connected, so IMHO ALL speakers in teh 681 should be set to "Large" in the Yamaha so that full range goes to the Bose subwoofer/crossover unit. Not sure why they have the user set the Center speaker to "Small" unless it's to redirect any bass < 200 Hz to the left and right channels.
They would know best as that's what they recommend.


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(It would do that because of course the AVR subwoofer setting is "none.")
Yup! And LFE would get downmixed to L/R fronts.



Quote:
Ensure you have the Subwoofer set to "none" in your Setup, as none is connected to the AVR; also ensure you do not have "Extra bass" enabled, it should be unavailable, if it IS you have marked a subwoofer present.
As recommended in the Bose manual.


Quote:
I would ignore Bose's advice about the "setting[s] at receiver" and mark all speakers as "Large."
I would not. Follow Bose's recommendations. Although.... feel free to try other settings.


Quote:
You might need to relocate the base module. If it's right in a corner of the room, move it a foot or more from the side wall and about a foot from the back wall. See the AM10 manual p. 7 for tips on Acoustimass bass module placement.
Also a good recommendation.


EDIT:
Since the bass module is a pseudo-sub, if it's too loud or boomy… it's either settings or room placement.



If you can’t explain it simply, you don’t understand it well enough – Albert Einstein

Last edited by Ratman; 02-16-2019 at 12:27 PM.
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post #8 of 17 Old 02-16-2019, 02:26 PM
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Quote:
Originally Posted by ChromeJob View Post

Bottom line: ensure speaker wires are connected as per the Bose manual ... ensure AVR subwoofer is set "none" ... set l/r/sl/sr speakers as "large" or all of them "large" ... use AVR tone control to adjust bass. See how that works out.

As suggested... try the recommended settings in the AVR (old or new) as contained in the Bose manual.
Not a difficult task.



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post #9 of 17 Old 02-18-2019, 03:49 AM
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Quote:
Originally Posted by ChromeJob View Post
[1] The Bose instruction manual was written in 2001, intended for AVRs running Dolby Surround or Dolby Pro Logic at best. Take them with a grain of salt. Okay, happy now, Ratman?? ?
I've been happy. Anyway, you are aware that Dolby AC3 is Dolby Digital 5.1, right?


EDIT:
Here's a link to the AM10 Series 5 manual. Refer to pages 10 and 11 for setup advice.
https://www.google.com/url?sa=t&rct=...I8wXxaSTRvQ7pQ



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Last edited by Ratman; 02-18-2019 at 06:27 AM.
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post #10 of 17 Old 02-18-2019, 07:43 AM - Thread Starter
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So from what you are saying i shouldn't put the blue wire of the bass module in the amplifier....now the bass come from the left and right speakers. .. the lfe button on the bass module hiw should i adjust it
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post #11 of 17 Old 02-18-2019, 08:55 AM
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No one said anything about the blue wire. If your model of AM10 has an LFE wire … use it.
All I suggested was to refer to the manuals (old and newer) provided. Follow the directions!


If the bass is too "boomy" adjust whatever buttons/dials necessary to get the amount of bass that you desire as suggested in the newer manual.
(left for less, right for more?)
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post #12 of 17 Old 02-18-2019, 02:15 PM
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Omar, can you confirm for us which series of Acoustimass-10 you have? The 2001 version that Ratman originally linked to a manual for, or the newer Series V in 2015 (more recent manual link)? It should say on the back of the Acoustimass module, or in the manual that came with it. I based my prior recommendations on the presumption that you had the earlier iteration of the AM10.

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A: Yamaha RX-V775; Chromecast Audio; iPod Classic, Touch. Bose 401 mains, 301 Series III surrounds, Yamaha NS-C444 center, Hsu VTF-2 Mk4.
V: Panasonic DMP-BDT215, Yamaha DVD-S550. Apple TV 4gen. Chromecast 1gen, Samsung UN40ES6150.

Last edited by ChromeJob; 02-18-2019 at 02:24 PM. Reason: IOW ... what blue wire??
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post #13 of 17 Old 02-18-2019, 02:27 PM
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Reading those pesky manuals takes too much time.
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post #14 of 17 Old 02-19-2019, 08:35 AM - Thread Starter
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I have the new model i have tried everything my main issue that the bass module cant be controlled i lowered everything in the amplifier and the two buttons are off the lfe and the bass on the bass module still it makes a stupid bass that shacks the floor ?

Should i wire the blue wire into the bass pocket in the amplifier
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post #15 of 17 Old 02-19-2019, 10:53 AM
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I don't know what "the new model" means, and your pics aren't loading for some reason. As I said, read the model and series number off the label/plate on the Acoustimass module.

The last manual our friend Ratman linked to (AM-5/AM-10 Series V) shows two dials for "Bass" and "LFE," not buttons.

Since you appear to have the model with a discrete blue line for the LFE output of an AVR, plug one end into the SUB OUT on the 681, and plug the other blue line end into the appropriate connection on the Acoustimass module, as per the Bose Acoustimass owners manual supplied with your speakers. Next, follow the instructions in your Yamaha RX-V681 owners manual to run YPAO room measurement; this will detect the LFE connection and set the level automatically.

As we've both said, read the manuals for your equipment. If English is not your first language, see if you can find them in your native language.

I'm outta here. Removing my previously incorrect responses due to new information.

"Sell crazy some place else -- we're all stocked up here."
Are you new to the forum? Please read forum FAQs and stickies. Like posts that help you. RTFM, always.
A: Yamaha RX-V775; Chromecast Audio; iPod Classic, Touch. Bose 401 mains, 301 Series III surrounds, Yamaha NS-C444 center, Hsu VTF-2 Mk4.
V: Panasonic DMP-BDT215, Yamaha DVD-S550. Apple TV 4gen. Chromecast 1gen, Samsung UN40ES6150.

Last edited by ChromeJob; 02-19-2019 at 11:21 AM. Reason: the thumbnail of his pic suggests both Bass and LFE dials are @ MIN
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post #16 of 17 Old 02-19-2019, 11:01 AM
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Here's a manual for your receiver:
https://usa.yamaha.com/products/audi...downloads.html




As stated earlier:
"If English is not your first language, see if you can find them in your native language. "



If you can’t explain it simply, you don’t understand it well enough – Albert Einstein

Last edited by Ratman; 02-19-2019 at 11:26 AM.
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post #17 of 17 Old 02-19-2019, 11:24 AM
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(Forum software truncated my edit comment. Still can't load Omar's full images, web or Tapatalk. UPDATE: pics load in an incognito private browsing session; no indication of which series AM-10 OP has.)

Last edited by ChromeJob; 02-19-2019 at 12:22 PM. Reason: FINALLY loaded images.
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