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(!!!!) (Recommended Single) 7199 RCA black plates NOS 1960's (12ma pentode / 6.6ma triode)

(!!!!) (Recommended Single) 7199 RCA black plates NOS 1960's (12ma pentode / 6.6ma triode)

$ 87.99

7199 RCA black plates NOS 1960's

12ma Gm=6500 (pentode section) good

6.6ma Gm=1750 (triode section) good

 

Tested on Amplitrex: 

Good Pentode Section 10-12ma Gm=6000-6500

Good Triode section 7-9ma Gm=1900-2100

 

  

- Bogen BD-212
- Dynaco ST-70, SCA-35
- Ampeg B25, B25B
- Heathkit AA-111
- Stromberg Carlson
- Ampex Concerto 1961
- Scott LK 150

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