(!!!) (Best GE Pair) 12AZ7A GE gray plates NOS 1970's (10.6/10.0ma and 11.2/9.8ma)
$39.99
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1 low noise matched pair) 12AZ7A GE gray plates NOS 1970's 1 tube) 10.6/10.0ma Gm=6100/5800 (1971) 1 tube) 11.2/9.8ma Gm=6300/5600 (1978) - McIntosh MC275 - guitar amps - sub for 12AT7 or 12AY7
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