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Buzzing sound from VR4Sr

I noticed that the VR4Sr exhibit an audible buzzing sound from my listening position abt 12ft fr the speaker. Currently, I m using conrad johnson Act 2, conrad premier 350 poweramp with transparent reference interconnect, speaker cable and power cord. Prior to using conrad premier 140 i dont hear such buzzing sound. Anybody has similar experience? Yr feedback is much appreciated. TQ. Happy Listening
128x128audioblazer
bignerd100
515 posts
 
Possibly CATV is somewhere in the system (cable box or VCR)?
Unhook cable from system if so.
rudd
51 posts
 
60 cycle humm coming from your cable TV. As a test try disconnecting you cable TV and see if that does the trick. If your cable is the culprit. Try a jenson transformer group loop isolator -worked for me.

I believe that you new amp has a 3rd prong at the IEC connector which draws addition current. Unfortunately, if your cable is not properly grounded, the 60cycle will make its way through your system and cause the a "buzz" sound in your speakers. I heard cheates plugs will do the trick but they are also considerd a fire hazzard.
kw6
691 posts
 
Read the Reviews on the Prem 350 the hum is from the amp interacting with the DC on the line.

BTW great combo!*>)
1markr
592 posts
 
The CJ350, a great amp, btw, is sensitive to grounding issues. When I owned one, I had to put a cheater plug on it which lifted the ground, and that eliminated all the hum or buzzing.
vmk
41 posts
 
I also think the CJ 350 is causing your problem.
If using a cheater plug resolves the issue you may
look into a longer term solution by utilizing a power
cord with a removable ground pin. I believe PS Audio
makes such a cable. Hope this helps.
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