2A3 RCA gray plates NOS 1972 (EB) reboxed – single tube not a pair

Test Data: Vplate=230V, Vgrid=-30V

Iplate=119ma Gm=7200

Good NOS range 80-120ma

Test Data: Vplate=250V, Vgrid=-45V

Iplate=62ma Gm=5500

Good NOS range 50-60ma

Recommended for

Tektron, Melody, Bottlehead, Ming Da, Musical Paradise