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(!!!!) (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's (6 in stock)
(!!!!) (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's (6 in stock)
$ 9.99
6 microphonic single tubes) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's in white boxes
Tested on Amplitrex
Vplate=120V
Vgrid=-2V
Good Ma range 30-35ma
Good Gm range = 10K-12K
Recommended for
Manley
Modwright
Audio Note
Ray Samuels
Ayon
Kondo
Mastersound
Audio Thrills
Loth
See more: vacuum tube
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 (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's (6 in stock)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_fdd54b14-cb1a-41e2-acd7-af4eaae7ddde.jpg?v=1732899550){kind=link}
 (microphonic singles) JAN-5687WB Tungsol branded Raytheon black plates "U" getter NOS 1950's (6 in stock) "Pin It")