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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: Hum from Step-up Transformer posted by Doc Jr 8156 on November 12, 2003 at 09:53:52:
The simple answer is that all RCA jack bodies and all transformer (-) leads in the step-up box must be connected together and also connected to the case at the ground lug. The turntable ground goes directly to the ground screw/post on the phono preamp, though. In addition, you must position the step-up box out of strong magnetic fields. The LL9206 is shielded, but not to the degree that you can sit it on top of a power transformer and not get hum breakthrough. Try experimenting with positioning to see if it makes a difference.
Kevin Carter
K&K Audio
www.kandkaudio.com
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- Re: Hum from Step-up Transformer - KevinC 17:27:34 11/12/03 (0)
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