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Carver Preamp ct26v noise/tweaks

post #1 of 4
5/25/02 at 4:24am
Thread Starter 
Howdy, I have a Carver Preamp in my current setup, the setup is reasonable, I feed a Carver a760x amp with the preamp, with just the amp turned on, its dead silent, no audible hum or distortion from the speakers, However when you turn the preamp on you get a low volume hum in the speakers, its only when the preamp is on.. I had junky interconnects connecting the preamp to the amp so I replaced them thinking they were the problem, I used a set of MIT Tmax interconnects 2m pair. The hum is still there on any source, its just always there.. its easy to drown out by just turning the volume up, the hum doesnt increase with the volume perhaps one of you all has an answer. I also would be interested in any tweaks anyone had for the preamp if possible Thanks in advance, and im a newbie so take it easy on me.. I did a search and didnt see anything on this, however, im sure I missed something...
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post #2 of 4
5/28/02 at 5:57pm
hey norton, welcome to head-fi!

sounds like you may have a ground hum, try a different outlet or a cheater plug and see if it alleviates it. also try rerouting your wires away from power supplies.

outside of that, i don't know whats up. hopefully someone else can lend you a hand.

best,
carlo.
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post #3 of 4
5/28/02 at 9:52pm
I agree with Carlo - if you have your preamp plugged into a different socket than the rest of your equipment you might have a ground loop going on. Try plugging everything into the same power strip or use two power strips in the same receptacle.

I had the same problem when I hooked up my PC soundcard to my preamp. As soon as I plugged everything into the same receptacle the hum disappeared.

Good luck,

David
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post #4 of 4
6/1/02 at 2:02pm
Thread Starter 
thanks guys, I tried your suggestions, still didnt have any results, the noise is still there and it looks like im just gonna have to live with it untill I can get a better preamp. if anyone else has any ideas.. id appreciate it thanks

Braden
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