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#23646 - 09/24/06 11:41 AM Balance Interconnect Hum
wingnut4772 Desperado Registered: 01/12/05 Posts: 368 Loc: Miami	Ok. Here is a mystery. My system has been pretty quiet as far as I can tell and I have been lucky with no ground loops. Why is it that now, when I try XLR connections from my amp to my pre, I get a wicked hum? I thought that if anything the balanced connections were supposed to prevent such a thing? _________________________ My Obsession
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#23647 - 09/24/06 03:03 PM Re: Balance Interconnect Hum
gonk Desperado Registered: 03/21/01 Posts: 14054 Loc: Memphis, TN USA	Balanced connections should be very resistant to interference and noise, so I agree - that is a bit odd. Do you get anything similar with unbalanced connections? _________________________ gonk HT Basics \| HDMI FAQ \| Pics \| Remote Files \| Art Show Reviews: Index \| 990 \| speakers \| BDP-93
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#23648 - 09/24/06 04:39 PM Re: Balance Interconnect Hum
wingnut4772 Desperado Registered: 01/12/05 Posts: 368 Loc: Miami	The RCAS are pretty quiet with the exception of my SAT setting on the pre. On that setting I can hear a very faint hum with my ear directly against the speaker. _________________________ My Obsession
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#23649 - 09/24/06 08:24 PM Re: Balance Interconnect Hum
nfaguys Desperado Registered: 04/09/05 Posts: 500 Loc: Maine	It sure is a mystery. when running 990/7700 unbalanced I had a noticeable hum. Running balanced...no hum. Here's something that doesn't make sense to me...and maybe gonk can explain: When runnign the 990 and all the same equipment in the same installation...with the only thing different being my 755 (which is unbalanced) there was NO HUM. Don't understand. _________________________ Living Room: 5.1 Surround and 4channel inline room 990/7700/6-KEF-107s/LFM1 x 2/ SMS Awaiting Trinnov Millenium dts decoder;Digital Director Players: Tascam CD01U/SonyCX455 x 3/DV955/BDP83 Old Sony 60" SXRD TV Zone 2 (also liv-Room: listening to music while Mrs watches TV): Crown SL2 preamp/D40 Amp/Stax Headphones My "Man-cave": 4 channel-only inline room. No TV (thank heaven)!!! 990/755/4-KEF 107s Tascam CD01U/dts decoder/digital director Alesis 16x4x2 mixer Recorders Alesis HD24/ML9600/Crown CX844s/SonyDAT/Tascam DA38 Ham Radio Shack (KB1STH) ICOM/Yaesu/Drakes x 3
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