(!!) (Good Value Pair) ECC85=6AQ8 RCA Japan by Hitachi 1970's (10/15ma and 10.4/14.4ma)
$ 74.99
1 low noise pair) ECC85=6AQ8 RCA Japan by Hitachi 1970's same build
1 tube) 10.0/15ma Gm=6800/7500 Japan branded Great Britain
1 tube) 10.4/14.4ma Gm=67000/7900 branded made in Japan
- Tested on Amplitrex AT1000
- Good Ma range 9-11ma
- Good Gm = 6000
- Vplate = 250V, Vgrid = -2V
- Low Noise and not microphonic
(6AQ8 Specs: Filament=6.3V @ 435ma, Mu=57, Gm=5700)
the best sounding are Telefunken, Siemens, Holland and Mullard
Recommended for
- Luxman MQ80 amp
- EAR 509 amp
- EAR 534 amp
- EAR 890 amp
- EAR 834 Integrated amp
- Scott 335 Tuner
- Consonance M500
- Don Allen preamp
- TL Audio iTube Valve Dock mk II (2010)
- Music Angel KT88 MkIII
See more: vacuum tube
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 (Good Value Pair) ECC85=6AQ8 RCA Japan by Hitachi 1970's (10/15ma and 10.4/14.4ma) "Pin It")