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Re: Complete Retube of an Audio Research VT100

To continue with Chris' thinking about AA sponsors, Kevin Deal at Upscale Audio stocks NOS Russian 6H23EBs (highest military grade) that sound BETTER than current production Sovtek 6922s, while being "Iron tough". The Russian NOS costs $20 per tube.

Triode Electronics stocks the JJ E88CC, that is arguably the best sounding current production 6922, for $21.90 per matched pair. Single JJs cost $8.95 per tube.

An option for O/P tubes is the EI KT90 Type 3. AA sponsors Upscale Audio and Jim McShane stock the KT90 for about $150-160 a matched quad. The price isn't high to begin with. When you factor the LONG service lives KT90s have in, the value is outstanding. Bias the KT90s a tad "hotter" than 6550s, run them in for 500 hours, and you will get good service for several years.

BTW, Jim McShane's site shows 276 GE JAN 6550As in stock. The price is a LOW $189.50 per matched quad.

Eli D.


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  • Re: Complete Retube of an Audio Research VT100 - Eli Duttman 22:32:30 08/12/02 (0)


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