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(Best Quad) 6550C Svetlana Russian NOS 1996-1999 (143.4, 144.6, 144.8, 144.2ma)
(Best Quad) 6550C Svetlana Russian NOS 1996-1999 (143.4, 144.6, 144.8, 144.2ma)
By Tube World
$ 379.99
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1 quad) 6550C Svetlana Russia NOS 1996-1999
1 tube) 143.4ma Gm=10,600 (1996)
1 tube) 144.6ma Gm=10,850 (1996)
1 tube) 144.8ma Gm=11,100 (1996)
1 tube) 144.2ma Gm=10,700 (1999)
Good NOS mA range 130-150mA
Sweet spot is 140mA
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- Gibson guitar amp
- McIntosh 275
- Beard P100 MKII 1984
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See more: vacuum tube
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 6550C Svetlana Russian NOS 1996-1999 (143.4, 144.6, 144.8, 144.2ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/5_d1bc86d6-b81a-43ce-9994-66bb737edfcd.jpg?v=1700609036){kind=link}
 6550C Svetlana Russian NOS 1996-1999 (143.4, 144.6, 144.8, 144.2ma) "Pin It")