#76860 - 10/30/09 10:43 PM
Re: speaker hiss
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Desperado
Registered: 04/08/08
Posts: 2676
Loc: Columbus,North Carolina
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So the hiss starts when you turn on the 970?
_________________________
Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner
TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv
Home Theater System
Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner
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#76861 - 10/30/09 11:22 PM
Re: speaker hiss
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Gunslinger
Registered: 05/30/07
Posts: 185
Loc: White Cloud, Michigan
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Originally posted by XenonMan:
So the hiss starts when you turn on the 970? Yes.
_________________________
HT:
Pioneer VSX-1120
Salk Songbirds, SongCenter, SongSurrounds
Panasonic BDP-45
Outlaw LFM-2
2 Channel:
Red Dragon M-500 monoblocks
BAT-VK3i
Salk HT-1TL's
Apple TV
Beresford 7520 DAC
Surgex XS10
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#82149 - 01/23/10 10:37 AM
Re: speaker hiss
[Re: og33]
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Gunslinger
Registered: 05/30/07
Posts: 185
Loc: White Cloud, Michigan
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I've still got this problem and it's really becoming annoying for me...re-routed power cables, switched to new interconnect cables from 970 to 7500 (Outlaw PCA's), new interconnects from BD player to 970, new speaker cables...no improvement. I'm thinking the origin is at a high frequency (I only hear it from the tweeters). Any suggestions?
_________________________
HT:
Pioneer VSX-1120
Salk Songbirds, SongCenter, SongSurrounds
Panasonic BDP-45
Outlaw LFM-2
2 Channel:
Red Dragon M-500 monoblocks
BAT-VK3i
Salk HT-1TL's
Apple TV
Beresford 7520 DAC
Surgex XS10
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#82155 - 01/23/10 03:50 PM
Re: speaker hiss
[Re: gonk]
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Gunslinger
Registered: 05/30/07
Posts: 185
Loc: White Cloud, Michigan
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Never noticed it on my previous 970 nor the receivers I used as preamps. Don't have any dimmer switches in the house, and I have DirecTV. I'm really at a loss of how to 'fix' it. My amp is a "B" stock, don't know if the problem is with it. I'm going to try to hook up my Oppo direct and see if I still get the hiss (didn't recall it with my 980 though).
_________________________
HT:
Pioneer VSX-1120
Salk Songbirds, SongCenter, SongSurrounds
Panasonic BDP-45
Outlaw LFM-2
2 Channel:
Red Dragon M-500 monoblocks
BAT-VK3i
Salk HT-1TL's
Apple TV
Beresford 7520 DAC
Surgex XS10
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#82156 - 01/23/10 04:15 PM
Re: speaker hiss
[Re: og33]
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Desperado
Registered: 04/08/08
Posts: 2676
Loc: Columbus,North Carolina
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If the amp is dead quiet when it is on by itself it is NOT the problem. With everything else off and only the 970 on, is the hiss there? If so, disconnect each source one at a time until the noise changes. If it does not change, the 970 is the issue. Check the treble controls and other controls which could cause increased high frequency. I have had multiple DirecTV boxes fail on me so I would suspect them first.
_________________________
Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner
TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv
Home Theater System
Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner
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#82167 - 01/24/10 05:52 AM
Re: speaker hiss
[Re: XenonMan]
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Gunslinger
Registered: 05/30/07
Posts: 185
Loc: White Cloud, Michigan
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I'll try disconnecting sources. DirecTV box is only connected via optical to the 970, so that's an easy one. That and the Toshiba HD-DVD player are the only 2 components I've had since I began noticing the hiss. I'll keep you posted what I find out. Thanks for the suggestions.
_________________________
HT:
Pioneer VSX-1120
Salk Songbirds, SongCenter, SongSurrounds
Panasonic BDP-45
Outlaw LFM-2
2 Channel:
Red Dragon M-500 monoblocks
BAT-VK3i
Salk HT-1TL's
Apple TV
Beresford 7520 DAC
Surgex XS10
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Top
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#82175 - 01/24/10 10:10 AM
Re: speaker hiss
[Re: og33]
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Desperado
Registered: 04/08/08
Posts: 2676
Loc: Columbus,North Carolina
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Don't ignore the optical input. Also I read somewhere where the unused optical ports have to be plugged. Most components come with plugs installed and you remove them to insert the optical cable. They then get lost for all eternity. I would guess to prevent scattered light noise. 
_________________________
Music system
Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD
APC H15 Power Conditioner
TV System
Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv
Home Theater System
Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv
Harmony ONE
Blue Jeans and Monoprice interconnects
APC H15 Power Conditioner
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#82181 - 01/24/10 02:39 PM
Re: speaker hiss
[Re: gonk]
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Gunslinger
Registered: 05/30/07
Posts: 185
Loc: White Cloud, Michigan
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The 970 does have hinged doors on the optical inputs. . BTW, disconnected the optical from my DirecTV receiver...hiss is still there. Toshiba is next on the list. If that doesn't do it, I'm left thinking it's the 970.
Edited by og33 (01/24/10 02:54 PM)
_________________________
HT:
Pioneer VSX-1120
Salk Songbirds, SongCenter, SongSurrounds
Panasonic BDP-45
Outlaw LFM-2
2 Channel:
Red Dragon M-500 monoblocks
BAT-VK3i
Salk HT-1TL's
Apple TV
Beresford 7520 DAC
Surgex XS10
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Top
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