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(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
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(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
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(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)1 pair) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's original boxes, 4 metal prongs on top mica, same internals 1 tube) 5. 2ma Gm=1400 1 tube) 5. 5ma Gm=1500 slightly tilted glass see photo (Vfilament = 2. 5 volts) Amplitrex Test: Vplate=250V Vgrid= 13. 5V Iplate good range = 4. 5 5. 5ma Gm=1400 Inspire LP 27A
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1 pair) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's original boxes, 4 metal prongs on top mica, same internals
1 tube) 5.2ma Gm=1400
1 tube) 5.5ma Gm=1500 slightly tilted glass - see photo
(Vfilament = 2.5 volts)
Amplitrex Test:
Vplate=250V
Vgrid=-13.5V
Iplate good range = 4.5-5.5ma
Gm=1400
- Inspire LP-27A
(!!) (Pair #3) 56 Sylvania black plate NOS 1940's branded Western Electronics 1940's one tube has slightly tilted glass (5.2ma and 5.5ma)
Item no
:
95782914366
US$ 24.99
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1piece
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Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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