1 low noise tube) 12BH7A RCA gray plates used/good 1970 era  

1 section) 8ma Gm=2400

1 section) 9ma Gm=2600

 

SINGLE TUBE NOT A PAIR

 

• Tested on Amplitrex
  
• Good used Ma range 7-11ma
• Good used Gm range 2400-2800
• Low Noise and not microphonic

 

Recommended for

- McIntosh
- VTL
- Manley
- Kora Hermes DAC in place of 12AU7
- Octave M90 mono amps (http://tubeworldexpress.shop/)
- 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