(!!!) (Recommended) 249B Western Electric Engraved Base NOS 1930's in 249C box (58/40)
$ 299.99
1) 249B Western Electric Engraved Base NOS 1930's in 249C box tests excellent
58/40
249C was 1st introduced in 1934
249C is superior to the 249B
249C has improved gettering techniques and materials to assure greater service life compared to the 249B
249C is similar to 866A RCA
Used in:
D-6656 RTE
Navy D-97502 Rectifier
14A Rectifier
99A Amplifier
100A Amplifier
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