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(!) 12AU7A Hitachi JAPAN branded Realistic Lifetime NOS ribbed plates 1960 era (9.2/12.2ma)

(!) 12AU7A Hitachi JAPAN branded Realistic Lifetime NOS ribbed plates 1960 era (9.2/12.2ma)

$ 29.99

1 low noise tube) 12AU7A Hitachi JAPAN branded Realistic Lifetime NOS ribbed plates 1960 era gold plated pins - copper grid posts

1 section) 9.2ma Gm=2100

1 section) 12.2ma Gm=2400

 

Amplitrex Test Data

Good Ma range 8-10ma

Good Gm range 1800-2200

 

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