374A Western Electric black plate used/good 1960's (18-21ma) (3 in stock)
By Tube World
$ 19.99
374A Western Electric black plate used/good 1960's (18-21ma)
1) 20.2ma Gm=3400 1968
1) 19.2ma Gm=3200 1967
1) 20.0ma Gm=3400 1968
0) 18.4ma Gm=2900 1967
0) 20ma Gm=2900 1967
0) 18.2ma Gm=2900 1967
0) 19.8ma Gm=2900 1968
0) 19.6ma Gm=3100 1965
0) 20.2ma Gm=3200 1967
0) 18.6ma Gm=3200 1967
MAKE TUBE SELECTION AT CHECKOUT
Tested on Amplitrex
Vplate=135V
Vscreen=135V
Vgrid=-18V
Good used Ma range = 18-21ma
Good used Gm range = 2800-3000
(374A specs: Vfil=3V @ 530ma, Vplate=135V, Iplate=18ma, Mu=210, Gm=3000, Rp=70K ohms, Pout=1.3 watts)
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