(!!!) (Best Single) 6U8A RCA black plates NOS 1967 (23.8ma and 11ma)
$ 14.99
6U8A RCA black plates NOS 1967 (BO)
23.8ma Gm=8400 (triode)
11.0ma Gm=6200 (pentode)
tested on Amplitrex
Triode Good ma = 14-18ma
Pentode Good Ma = 8-10ma
best in:
- VOX
- Radford STA-15 Series III 1965
- McIntosh MX-110
- Grommes PHI-26
See more: vacuum tube