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(!!!) 6U8A Raytheon black plates NOS

(!!!) 6U8A Raytheon black plates NOS "U" getter halo 1962 (17ma and 8ma)

$ 11.99

 6U8A Raytheon black plates NOS "U" getter halo 1962

Triode: 17ma Gm=8400 (very good) 

Pentode: 8ma Gm=4900 (good) 

 

Triode: Good Ma = 14-18ma Good Gm = 7500-8500

Pentode: Good Ma = 8-10ma Gm=4800-5200

 

 

 

- VOX

- Radford STA-15 Series III 1965

- McIntosh MX-110

- Grommes PHI-26

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