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(!!!!) (Single 1955 era) 12BH7A RCA narrow black plates used/very good "U" getter halo 1955 era (8.6/10ma) (1st series made) (rare)
(!!!!) (Single 1955 era) 12BH7A RCA narrow black plates used/very good "U" getter halo 1955 era (8.6/10ma) (1st series made) (rare)
$ 69.99
1 low noise tube) 12BH7A RCA narrow black plates used/very good "U" getter halo 1955 era (rare version)
1 section) 8.6ma Gm=2700
1 section) 10ma Gm=2800
1ST SERIES MADE - VERY RARE
SINGLE TUBE NOT A PAIR
- Tested on Amplitrex
- Good NOS Ma range 8-12ma
- Good NOS Gm range 2800-3200
- 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
See more: vacuum tube
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 (Single 1955 era) 12BH7A RCA narrow black plates used/very good "U" getter halo 1955 era (8.6/10ma) (1st series made) (rare) "Pin It")
 (Single 1955 era) 12BH7A RCA narrow black plates used/very good "U" getter halo 1955 era (8.6/10ma) (1st series made) (rare)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_29ed1651-988e-44b9-ac7a-a1e60e689815.jpg?v=1740505798){kind=link}