(!!!!!) (Best RCA Pair) 2A3 RCA and RCA branded Hytron black plates NOS 1945-1947 (102ma and 103.4ma)

1 pair) 2A3 RCA black plates NOS 1945-1947 era  1 tube) 102ma Gm=7100 reboxed in 1950 RCA box - original box was rotted 1 tube) 103.4ma Gm=7150 Hytron in white box   Test Data: Vplate=230V, Vgrid=-30V Iplate=102ma Gm=7100 Iplate=103ma Gm=7100 Good NOS range 80-120ma   Test Data: Vplate=250V, Vgrid=-45V Iplate=45ma Gm=5150 Iplate=48.5ma Gm=5100 Hytron 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- Melody2A3 RCA "Double-Plate" Sonic Description:----------------------------------------"Very balanced, with great upper midrange extension. Highs are sweet and mids aremusical. This is the classic bi-plate 2A3 and worth every penny, the best double-plate 2A3"