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(!!!!) (Best Single 1956) 12AX7 GE Motorola tall gray ribbed plates "U" getter 1956 like new (Gm=1700/2000 and 1.6/2.1ma)
(!!!!) (Best Single 1956) 12AX7 GE Motorola tall gray ribbed plates "U" getter 1956 like new (Gm=1700/2000 and 1.6/2.1ma)
$ 139.99
1 low noise tube) 12AX7 GE Motorola tall gray ribbed plates "U" getter 1958 like new in white box
Gm=1700 (1.6ma)
Gm=2000 (2.1ma)
smooth, balanced sound
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