(!!!) 6S4A RCA black plate NOS 1960's faded printing (20ma)
$ 7.99
6S4A RCA black plate NOS 1960's faded printing
20ma
Gm=4100
Tested on Amplitrex
Vplate=250V
Vgrid=-8V
Good Ma range 20-25ma
Good Gm range 4000-4500
(the 6S4A features high plate current at relatively low plate voltages and is capable
of withstanding high pulse voltages)(Vfil=6.3V @ 600ma)
MAX Ratings: Vplate=550V, Iplate=30ma, Pout=8.5 watts
Typical Operation: Vplate=250V, Vgrid=-8V, Iplate=24ma, Mu=16.5, Gm=4500, Rplate=3700 ohms)
- Woo Audio GES Electrostatic headphone amp
See more: vacuum tube
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 6S4A RCA black plate NOS 1960's faded printing (20ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/1_62cb7ab3-e2a7-4641-a962-1bb8e693d071.jpg?v=1613085345){kind=link}
 6S4A RCA black plate NOS 1960's faded printing (20ma) "Pin It")