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(!!!!) (#1 1626 RCA Matched Quad) 1626 RCA NOS 1940's same build (29.6/30.5/30.5/31.5ma) (same Gm for all 4 tubes)

(!!!!) (#1 1626 RCA Matched Quad) 1626 RCA NOS 1940's same build (29.6/30.5/30.5/31.5ma) (same Gm for all 4 tubes)

$ 69.99

1 matched quad) 1626 RCA NOS 1940's same build

1 tube) 29.6ma Gm=2600 (1940's) JAN-CRC

1 tube) 30.5ma Gm=2600 (1940's) USN-CRC

1 tube) 30.5ma Gm=2600 (1940's) USN-CRC stain on base

1 tube) 31.5ma Gm=2600 (1940's) VT-137

 

Good Iplate range 25-35ma 

Good Gm range 2000-2500

(1626=12.6V @ 250ma filament, Mu=5, Power=5 watts, introduced in 1943)

 

recommended for:
- Don Allen amp
- Cary

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