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(!!) (Best Single Sylvania) 6EA7 Sylvania NOS 1960 era (2.1/43ma)

(!!) (Best Single Sylvania) 6EA7 Sylvania NOS 1960 era (2.1/43ma)

$ 25.99

6EA7 Sylvania NOS 1960 era

1 tube) 2.1ma Gm=2200 (triode) 43ma Gm=6200 (pentode) 

 

Tested on Amplitrex

Good Ma Triode = 1.4ma Gm=1500

Good Ma Pentode = 35-40ma Gm=6000-7000

 

for:

Joule Electra LA-100 MK3
Modwright power supply
Wright Sound phono wpp-200c
Wright Sound WLA12A preamp
Kenji Mizushima Kenso
Music Reference 6EM7 amp
Welbourne Apollo mono amps (KR/VAIC VV52B or 300B output tubes)

 

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