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phono preamp problems

Just got through adding the JE labs phono preamp to my JE labs line stage. Line stage is still working fine, but the phono preamp isn't doing so hot. Gain is very very weak and I have hum in the right channel and a buzz in the left. I have included the schem for the phono preamp. Am I correct in interpreting this as using both halfs of one 6sl7 per channel? I would appreciate any hints on what is most likely the cause of the stated symptoms.
Thanks
Vince


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Topic - phono preamp problems - Vinnie 16:46:47 03/04/07 (18)


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