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(!) (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma)
(!) (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma)
$ 14.99
37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (see photo) in white box
7.1ma
Gm=1000
Test parameters:
Vplate=250V
Vgrid=-18V
Iplate good range 6.5-8ma
Gm=1000-1100
(Filament=6.3V @ 300ma, many think the 37 sounds better than the 76)
See more: vacuum tube
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 (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/3_1_32ada150-86fd-434d-95ae-209160e1d76a.jpg?v=1769458188){kind=link}
 (Single) 37 Silvertone smooth plate used/tests like new 1930's 1 top mica is folded down (7.1ma) "Pin It")