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In Reply to: Boy, am I fortunate! posted by jhorowitz128 on April 16, 2007 at 13:57:40:
None of them could make a living selling a single product to a single customer. Repeat business is the only way they can survive. Add to that the referrals they get from satisfied customers and it is easy to see why certain manufacturers always seem to weather the changes in the audio market place.Cheers!
Glad you found that noisy solder joint. I didn't recommend that as a fix, and I should have. It is the most common reason for hum when everything is wired properly.
How do you like your CineMags? Can you compare them against any other sut models?
Follow Ups:
Actually, Jim, it was more than just the bad solder joint. The wiring had to be done in a very specific manner. In any event, I learned much from this experience and understand some of the principles involved.I have no other first-hand experience with other SUT's. It was built for the purpose of adjusting the impedences to extract better performance with my cartridge. I have no complaints and can heartily recommend trying it.
BTW, I find that loading the AT-OC9 at 25/30 ohms works great in my system.
I have found that keeping the lead length short and everything twisted plus avoiding parallel runs of wire (crossing at right angles to the other wires) makes for a quieter set up. The devil is really in the details of the "small stuff".I am glad you were able to track the problem down as I was really scratching my head over that one.
--
Al G
Born To Tinker!
Yes, Al, it was the wire dressing that presented much of the problem.Dave recommends connecting the black wires to the ground of the output jacks and connecting only the white to the binding post. I misunderstood his directions and did not twist the black wires around the already twisted violet and gray ones...I just connected them directly to the jacks. Once I twisted the black one around the violet and gray, my problem was solved. Dave said that doing that completed the Farady shield (or somesuch).
Anyway, he just e-mailed me and said he's going to update the schematic on the website based on our experience with my problem.
Yes it is good with low voltage stuff to run a twisted ground around the postive and leave it floating. It simply drains away noise. Like magic...or shielding!I lived in a high RF situation once and even this could not prevent the country music from intruding during the track separations or dead wax.
Drove me to CD's for the 10 years shile I lived in that stinking environment.
*
Not sure how many manufacturer's you have met. I sold mid fi and hi end gear for 5 years and got a chance to meet my share of audio characters.Some have very firm attitudes about other manufacturer's approaches. Some are very helpful. Some can be royal pains in the arse.
Reminds me of the asylum......TICC (a bjh term I plan to over deploy)
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