1 matched pair) 6U8A Philips by Sylvania NOS 1986
1 tube) 20.5ma Gm=9800 and 8.2ma Gm=5200
1 tube) 20.0ma Gm=9700 and 8.0ma Gm=5200
Matched on Amplitrex AT1000
Good Iplate triode = 14-18ma
Good Iplate pentode = 8-10ma
recommended for:
– VOX
– Radford STA-15 Series III 1965
– McIntosh MX-110
– Grommes PHI-26


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