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(!) (Good Value Pair) 6S4A RCA USA black plate NOS 1960's - 1970's (19ma and 18.8ma)
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(!) (Good Value Pair) 6S4A RCA USA black plate NOS 1960's - 1970's (19ma and 18.8ma)
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(!) (Good Value Pair) 6S4A RCA USA black plate NOS 1960's - 1970's (19ma and 18.8ma)1 pair) 6S4A RCA black plate NOS 1 tube) 19ma Gm=3900 ("O" getter 1970's 1 tube) 18. 8ma Gm=3800 ("U" getter 1960's) on left Good mA = 20+ Good Gm = 4000+ (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
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1 pair) 6S4A RCA black plate NOS
1 tube) 19ma Gm=3900 ("O" getter 1970's
1 tube) 18.8ma Gm=3800 ("U" getter 1960's) on left
Good mA = 20+
Good Gm = 4000+
(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
(!) (Good Value Pair) 6S4A RCA USA black plate NOS 1960's - 1970's (19ma and 18.8ma)
Item no
:
52157030076
US$ 12.99
Pay in 4 interest-free payments of $3.25 Learn more
Min. order:
1piece
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jun 26 - Jul 1
US$40
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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