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(!!!) (Best Sylvania pair) 6973 Sylvania short bottle 1960's - 1970 same build (55ma and 57ma)

(!!!) (Best Sylvania pair) 6973 Sylvania short bottle 1960's - 1970 same build (55ma and 57ma)

$ 179.99

1 matched pair) 6973 Sylvania short bottle 1960's - 1970 same build

1 tube) 55ma Gm=5000 1970 era

1 tube) 57ma Gm=5000 1960's faded printing

 

Matched on Amplitrex

Good Ma range = 40-46ma

Good Gm = 4200-4500

 

- Magnatone 450A
- Oahu White Gold 1624T (1959-1962)
- Seeburg AY 160 with a sfha-4 amp 1961
- Valco/Gretsch Electromatic 1960
- Gretsch 6161 1960's
- Supro
- Counterpoint SA-5 (modded)
- Rock-Ola Regis 1495 Jukebox 1961
- Fairchild
- CR amps (UK)
- Seeburg 220 Jukebox

See more: vacuum tube
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