(!!) (Single) 2A3 RCA branded CBS black plates like new 1940's (103ma) (high Gm)
By Tube World
$ 139.99
2A3 RCA branded CBS black plates like new 1940's - in white box
SINGLE TUBE, NOT A PAIR
Test Data: Vplate=230V, Vgrid=-30V
Iplate=103ma Gm=7350
Good NOS range 80-120ma
Test Data: Vplate=250V, Vgrid=-45V
Iplate=48ma Gm=5300
Good NOS range 50-60ma
Recommended for
Tektron, Melody, Bottlehead, Ming Da, Musical Paradise
See more: vacuum tube
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 (Single) 2A3 RCA branded CBS black plates like new 1940's (103ma) (high Gm) "Pin It")