JRP-5687WA Raytheon bronze plates used/good 1960's (34.6/36.4ma)
$ 19.99
1 low noise tube) JRP-5687WA Raytheon bronze plates used/good 1960's in white box
34.6ma Gm=10,000
36.4ma Gm=9700
Good Ma range 30-35ma
Recommended for
Manley
Modwright
Audio Note
Ray Samuels
Ayon
Kondo
Mastersound
Audio Thrills
Loth
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