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(!) (slightly microphonic single) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 (9.4/11ma)

(!) (slightly microphonic single) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 (9.4/11ma)

$ 17.99

1 slightly microphonic low noise tube) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 in white box

1 section) 9.4ma Gm=1900

1 section) 11.0ma Gm=2100

 

Amplitrex Test Data

Good Ma range 8-10ma

Good Gm range 1800-2200

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