(!!!!) (Best Single) JAN-5687WA Sylvania NOS 1967 (38/39ma) (Highest Ma and Gm)
$ 69.99
1 low noise tube) JAN-5687WA Sylvania NOS 1967
38ma Gm=12,300
39ma Gm=12,400
Recommended for
Manley
Modwright
Audio Note
Ray Samuels
Ayon
Kondo
Mastersound
Audio Thrills
Loth
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 (Best Single) JAN-5687WA Sylvania NOS 1967 (38/39ma) (Highest Ma and Gm) "Pin It")