(!!!!) (Best Value Single) ECC83=12AX7 Telefunken Germany <> bottom ribbed plates branded GAP/R Computor tube used/good 1956 (Gm=1400/1500 and 0.8/0.9ma) 1-5% section balance Title: 12AX7 Telefunken Germany GAP/R

1 low noise tube) ECC83=12AX7 Telefunken Germany <> bottom ribbed plates branded GAP/R Computor tube used/good 1956 (EC) – very good printing in white box

1 section) 1.1ma Gm=1700

1 section) 1.5ma Gm=2000

Good used mA = 0.7-0.9mA+

Good used Gm = 1300-1500+

recommended for:

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