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#99296 - 07/26/22 09:44 AM Re: 976 [Re: govguru]
Helson Offline
Gunslinger

Registered: 03/21/12
Posts: 281
Loc: USA
Ok, last night I injected various low frequency signals from 40Hz to 80Hz, toggled between EQ on/off. I could not hear any discernible difference. I also tried listening with no signal and couldn't hear a difference.
The auto setup doesn't change the PEQ settings. Only the distance and levels.
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Main HT <> 976 <> 7200 <> Ultra-X12 <> sapphire ST2 mkII RF/LF <> sapphire SC center
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#99297 - 07/26/22 10:13 AM Re: 976 [Re: philto]
Helson Offline
Gunslinger

Registered: 03/21/12
Posts: 281
Loc: USA
Originally Posted By philto

How audible is it? Well, if I play the audiophile standard Spanish Harlem from Chesky, the bass notes at the beginning are clearly buzzing slightly (as if the speakers were being slightly overloaded.) This is over speakers and from the headphone jack as well. It isn't audible as noise without signal and higher frequencies are not affected. Test tones below say 200 Hz are also audibly affected. Does it reflect the difference in the 2 sweeps with EQ on and off? EQ on shows a hump in THD between 40 and 200 Hz, but still that's only around .02% at 100Hz... doesn't seem reasonable.


0.02% to me isn't audible. But, that said, i am of a certain age now. So maybe it's just me. But again, 0.02% isn't audible, especially over the material being played.
_________________________
Main HT <> 976 <> 7200 <> Ultra-X12 <> sapphire ST2 mkII RF/LF <> sapphire SC center
sapphire ST2 mkII SBR/SBL <> sapphire SS SR/SL <> Verizon/DVR <> Vizio M70Q7 <> Oppo UDP-203 <> Amazon 4k Fire TV

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#99298 - 07/26/22 08:16 PM Re: 976 [Re: Helson]
975 destroyer Offline
Gunslinger

Registered: 09/07/15
Posts: 128
Loc: Georgia, US of A!
Originally Posted By Helson
…The auto setup doesn't change the PEQ settings. Only the distance and levels.
strongly suggests the PEQ & the Distance/Levels DSP devices are separate.

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#99299 - 07/27/22 10:56 AM Re: 976 [Re: govguru]
Helson Offline
Gunslinger

Registered: 03/21/12
Posts: 281
Loc: USA
Sure does. Separate parts of the DSP chip.
_________________________
Main HT <> 976 <> 7200 <> Ultra-X12 <> sapphire ST2 mkII RF/LF <> sapphire SC center
sapphire ST2 mkII SBR/SBL <> sapphire SS SR/SL <> Verizon/DVR <> Vizio M70Q7 <> Oppo UDP-203 <> Amazon 4k Fire TV

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#99301 - 07/28/22 05:05 PM Re: 976 [Re: govguru]
philto Offline
Deputy Gunslinger

Registered: 09/27/20
Posts: 3
Hi all
I now hear no difference on test tones with EQ on or off. I hear a very slight degradation on the Spanish Harlem track of audiophile fame, but nowhere else.
I think the cause is a noisy environment, if moving cables and what not around affects it.
I will publish some revised measurements (balanced out) on AV Nirvana, and possibly a few seconds of that track if it doesn't break copyright.
Thanks for all the suggestions. I need to do something about my AC or EMI situation if I want to improve things here.
The 976 is a stellar product at its price point.
Phil

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#99302 - 07/28/22 05:52 PM Re: 976 [Re: mario]
Hog Up Offline
Deputy Gunslinger

Registered: 01/01/07
Posts: 12
Loc: Normal, IL
Sorry, just seeing this! I am selling it for $550. It is all updated and working perfect. I also am selling my 7-channel amp model 7075 for $550 if interested. Last week I did a post on both of these as well in another section on here.
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Outlaw 976
Outlaw 7075
OPPO BDP-93
Mitsubishi LaserVue L75
Legacy Audio Whispers, Marquis, Decos, Studio HDs, and Metro sub
Blue Jeans Cable cables

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#99303 - 07/28/22 06:03 PM Re: 976 [Re: mario]
Hog Up Offline
Deputy Gunslinger

Registered: 01/01/07
Posts: 12
Loc: Normal, IL
Originally Posted By mario
I'm interested. What's the price?
$550. Sent you a PM!
_________________________
Outlaw 976
Outlaw 7075
OPPO BDP-93
Mitsubishi LaserVue L75
Legacy Audio Whispers, Marquis, Decos, Studio HDs, and Metro sub
Blue Jeans Cable cables

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