2A3 RCA black plates NOS 1940”s

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

Iplate=114ma Gm=7250

Good NOS range 80-120ma

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

Iplate=55ma Gm=5400

Good NOS range 50-60ma

Recommended for

Tektron, Melody, Bottlehead, Ming Da, Musical Paradise

(NOTE: USN-CRC-2A3 = JAN-CRC-2A3, same construction and all are early to mid 1940”s)

– Bottlehead Stereomour 2A3
– Melody

2A3 RCA “”Double-Plate”” Sonic Description:
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“”Very balanced, with great upper midrange extension. Highs are sweet and mids are
musical. This is the classic bi-plate 2A3 and worth every penny, the best double-plate 2A3″”