(!!!!) (Best Pair) 6550 Tungsol gray plates NOS 1975 (130ma and 131ma) Sale
Original price was: $679.99.$272.00Current price is: $272.00.
(!!!!) (Best Pair) 6550C Svetlana Russian NOS 1998 (163ma and 167ma) Supply
Original price was: $189.99.$76.00Current price is: $76.00.
Original price was: $189.99.$76.00Current price is: $76.00.
(!!!!) (Best Pair) 6550C Svetlana Russian NOS 1998 (158.4ma and 159ma)
1 pair) 6550C Svetlana Russia NOS 1998
1 tube) 158.4ma Gm=11,350
1 tube) 159.0ma Gm=11,300
Good NOS mA range 130-150mA
Sweet spot is 140mA
– ARC VS 110 and other ARC amps
– Audio Research Reference 3 line-stage power supply
– Rogue 90
– VTL amps; MB300, 450, many others
– Gibson guitar amp
– McIntosh 275
– Beard P100 MKII 1984
– Cayin A-88T
| 6550C Svetlana Russia NOS 1990's | 6550C Svetlana Russia NOS 1990's |
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We accept returns on non-sale items that are in original packaging, unused, and unwashed within 30 days of receipt. Please follow our returns/exchanges process below. If items do not meet our requirements for return, they will be shipped back to you in lieu of a refund. Shipping and handling charges are non-refundable (exceptions may apply).
Returns & Exchanges Process: If item(s) fit within our returns guidelines found in the Returns. Please allow 7-10 business days for the credit to appear on your account after your return is processed.
