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(!!!!) (Best Pair) 311B Amperex made in Russia NOS 1977 (34.2ma and 34.5ma) (very good construction)
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(!!!!) (Best Pair) 311B Amperex made in Russia NOS 1977 (34.2ma and 34.5ma) (very good construction)
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(!!!!) (Best Pair) 311B Amperex made in Russia NOS 1977 (34.2ma and 34.5ma) (very good construction)1 pair) 311B Amperex made in Russia NOS 1977 large getters excellent condition 1 tube) 34. 2mA Gm=3000 1 tube) 34. 5mA Gm=3050 Tested on Amplitrex Vplate=180V Vscreen=135V Vgrid= 15V Good Ma = 30ma Good Gm = 2800 2900
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Why choose thelockerguy wholesale?
1 pair) 311B Amperex made in Russia NOS 1977 large getters - excellent condition
1 tube) 34.2mA Gm=3000
1 tube) 34.5mA Gm=3050
Tested on Amplitrex
Vplate=180V
Vscreen=135V
Vgrid=-15V
Good Ma = 30ma
Good Gm = 2800-2900
(!!!!) (Best Pair) 311B Amperex made in Russia NOS 1977 (34.2ma and 34.5ma) (very good construction)
Item no
:
49739280577
US$ 59.99
Pay in 4 interest-free payments of $15.00 Learn more
Min. order:
1piece
Shipping Estimate
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- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
US$40
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