1 low noise tube) 12BH7A RCA gray plates NOS 1971 (DK)

8.8ma Gm=2900

12ma Gm=3500

Good Ma range 8-12ma

Good Gm range 2600-3000

Recommended for

– McIntosh
– VTL
– Manley
– Kora Hermes DAC in place of 12AU7
– Octave M90 mono amps (
– BLACKSTAR HT-5 (replacing Sovtek)
– Luxman MA-88 amp
– Requisite Audio preamp
– Teletronix LA-2A Compressor/Limiter
– Art Audio Diavolo amp
– Ray Samuels
– Kendrick Solo 7
– Valvet L1