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(!!!!) (Black Plate Single) 12BH7A RCA branded Westinghouse narrow black plates NOS

(!!!!) (Black Plate Single) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's (7.2/8.4ma) (1st series made)

$ 54.99

1 low noise tube) 12BH7A RCA branded Westinghouse narrow black plates NOS "U" getter mid-1950's

7.2ma Gm=2400

8.4ma Gm=2600

 

1ST SERIES MADE - VERY RARE

SINGLE TUBE NOT A PAIR

 

  • Tested on Amplitrex
  • Good NOS Ma range 8-12ma
  • Good NOS Gm range 2600-3200
  • Low Noise and not microphonic
 

Recommended for

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

 

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