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#264024 - 2017-05-08 17:58 DSP8000.2 hum or buzz
Jeje Offline
Hitchhiker

Registered: 2010-08-08
Posts: 371
Loc: New York City, NY, USA
It happened two or three times already.

After some time, either while playing music or during standby, my right DSP8000.2 start to sound a continuous buzz or hum (not sure if there is a technical difference).

I power it off, and back on, and everything goes back to normal.

Shall I be worried? Can I do something about it?

Thanks
_________________________
Jerome
Music: MC200 -> MS600 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears
Movies: NAS -> Oppo BDP-93 -> HD621 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears

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#264025 - 2017-05-08 18:18 Re: DSP8000.2 hum or buzz [Re: Jeje]
CMB Integrations - Bruce Offline
Meridian Partner
Pan-dimensional being

Registered: 2009-11-10
Posts: 997
Loc: Lexington, South Carolina, USA
Is it transformer hum or do you hear it amplified through the speakers?
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www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 818v3, 218, DSP8000.2SE, DSP7200SEHC, Boston Acoustics Lynnfield 500L series 2, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Personal System #2 F80.

Crestron control and multi room audio via Meridian 258 amplifiers.

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#264026 - 2017-05-08 18:20 Re: DSP8000.2 hum or buzz [Re: CMB Integrations - Bruce]
Jeje Offline
Hitchhiker

Registered: 2010-08-08
Posts: 371
Loc: New York City, NY, USA
I think it's from the speakers
_________________________
Jerome
Music: MC200 -> MS600 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears
Movies: NAS -> Oppo BDP-93 -> HD621 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears

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#264027 - 2017-05-08 18:41 Re: DSP8000.2 hum or buzz [Re: Jeje]
CMB Integrations - Bruce Offline
Meridian Partner
Pan-dimensional being

Registered: 2009-11-10
Posts: 997
Loc: Lexington, South Carolina, USA
You will need to isolate if it is one or both speakers. If both, then see if it goes away when you unplug the digital cable from the master. Are both speakers connected to the same electrical circuit and if not, the same phase? Does lifting the ground help (not recommended as a permanent solution)?
_________________________
www.cmbintegrations.com

Personal System #1 Theta Digital Cassablanca 4, 818v3, 218, DSP8000.2SE, DSP7200SEHC, Boston Acoustics Lynnfield 500L series 2, Monitor Audio Silver 10, ATI 200WX5 Amp, JVC RS15, Black Diamond Zero Edge screen. QNAP TS-251 3TB
Personal System #2 F80.

Crestron control and multi room audio via Meridian 258 amplifiers.

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#264051 - 2017-05-09 06:49 Re: DSP8000.2 hum or buzz [Re: Jeje]
EHill Offline
Harmless

Registered: 2014-07-29
Posts: 9
Loc: London, UK
Unfortunately this sounds like you might need a new amp board for the speaker. I have just had a dsp5200 repaired with exactly this problem. Buzz which comes on over time and even when the speaker is placed in standby but disappears temporarily when it is turned off and back on again.

If it is the same issue as mine, the problem will get progressively worse over time.
_________________________
568.2mm, HD621, DSPs, BK XLS400 subwoofer

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#264068 - 2017-05-09 16:00 Re: DSP8000.2 hum or buzz [Re: EHill]
Jeje Offline
Hitchhiker

Registered: 2010-08-08
Posts: 371
Loc: New York City, NY, USA
Thanks for the heads up. No exactly what i wanted to hear, but I'll keep monitoring. At least I'm prepared...
_________________________
Jerome
Music: MC200 -> MS600 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears
Movies: NAS -> Oppo BDP-93 -> HD621 -> G68D -> DSP8.2k + DSP5200HC front / DSP33 Rears

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