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  • (!!!) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube (Gm=2400/2800)
(!!!) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube (Gm=2400/2800) Image 1
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(!!!) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube (Gm=2400/2800) Nav Image 1

(!!!) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube (Gm=2400/2800)

$36.99 $42.99


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12AX7 12AX7A 1960's 1970's all ECC83 preamp tubes Sylvania


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Preamp tubes
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  • Description

1 low noise tube) 12AX7 Sylvania 1960-1965 used/tests like new small mica flake inside tube in white box

Gm=2400 (1.8ma)

Gm=2800 (2.2ma)

 

Good Gm = 1600+

Good Ma range = 1.0-1.2ma+

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