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(!!!) (Best Mullard Single) 6688=E180F Mullard branded Philips SQ gold pins NOS 1971 (11.5ma)
(!!!) (Best Mullard Single) 6688=E180F Mullard branded Philips SQ gold pins NOS 1971 (11.5ma)
By Tube World
$ 19.99
6688=E180F Mullard branded Philips SQ gold pins NOS 1971
11.5ma
Gm=15,500
(10,000 hour 9-pin frame grid broadband Pentode, variant is 7737)
- Supratek Chenin, Cortese preamp
- Yamamoto 06-3 2010
See more: vacuum tube
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 (Best Mullard Single) 6688=E180F Mullard branded Philips SQ gold pins NOS 1971 (11.5ma) "Pin It")