Old Sony Receiver Hummmm......
smglbrth
Posts: 1,471
Hey guys!
So...., I put a decent office system together recently. I'm running Monitor 5B's (coutesy of Soupbone), an Onkyo DX-702 CD Player, and an old Sony STR-V45 Receiver (V45, hence 45 watts/channel).
The Sony, I'm guessing, is early 80's, it's big, bulky, silver face with the big silver nobs. A friend of mine gave it to me for now until I can get my hands onto better stuff. It sat for a year or so in his garage and was pretty rough at first. After tinkering, cleaning pots and giggling wires around it starting to sound pretty decent. That is until this really annoying hum started. The longer it was powered up the louder it got, to a point. Listening closely it sounded like a pulse of sorts. After giggling more wires to try and detect a change no luck. Switched outlets, polarity (no three prong plug on this thing), speaker wires and just about everything else I could do easily I just about gave up figuring the transformer was on it's way to lala land. Then I accidentally touched my needlenose pliers to the top of the transformer. Wala! It was mostly gone!, at least you can't hear it until you are about 6 inches away from the speakers. Suppose I grounded it somehow. Could this be from static electricity? Maybe the older receivers don't have certain grounds like the newer ones do. Any input?
Otherwise, the sound is a little brite to me but for under $200 I really can't complain much. It does sound better than I thought it would. The receiver doesn't have bass SLAM but it's not a slop hound either. The speakers?, they need more juice but sound great.;)
Someday when I purchase a digital camera I'll have to post picks here......
:rolleyes:
So...., I put a decent office system together recently. I'm running Monitor 5B's (coutesy of Soupbone), an Onkyo DX-702 CD Player, and an old Sony STR-V45 Receiver (V45, hence 45 watts/channel).
The Sony, I'm guessing, is early 80's, it's big, bulky, silver face with the big silver nobs. A friend of mine gave it to me for now until I can get my hands onto better stuff. It sat for a year or so in his garage and was pretty rough at first. After tinkering, cleaning pots and giggling wires around it starting to sound pretty decent. That is until this really annoying hum started. The longer it was powered up the louder it got, to a point. Listening closely it sounded like a pulse of sorts. After giggling more wires to try and detect a change no luck. Switched outlets, polarity (no three prong plug on this thing), speaker wires and just about everything else I could do easily I just about gave up figuring the transformer was on it's way to lala land. Then I accidentally touched my needlenose pliers to the top of the transformer. Wala! It was mostly gone!, at least you can't hear it until you are about 6 inches away from the speakers. Suppose I grounded it somehow. Could this be from static electricity? Maybe the older receivers don't have certain grounds like the newer ones do. Any input?
Otherwise, the sound is a little brite to me but for under $200 I really can't complain much. It does sound better than I thought it would. The receiver doesn't have bass SLAM but it's not a slop hound either. The speakers?, they need more juice but sound great.;)
Someday when I purchase a digital camera I'll have to post picks here......
:rolleyes:
Remember, when you're running from something, you're running to something...-me
Post edited by smglbrth on
Comments
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Try a monkey wrench next....bet that'll finish the job.
Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
I recently had a hum problem on an integrated I received. It ended up just being that one of the PCBs came loose during shipping.
It would be a good idea to check the ground on that transformer. And all other ground connections you can find.Make it Funky!
