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(!) (Best 12AU7 Single) ECC82=12AU7 Siemens Germany branded SONOTONE "chrome plates" NOS 1962 (9.0/9.4ma)

$ 79.99

1 low noise tube) ECC82=12AU7 Siemens "chrome plates" NOS copper grid posts branded Sonotone 1962 original box, partially smeared printing 

1 section) 9.4ma Gm=2200

1 section) 9.0ma Gm=2100

Tested on Amplitrex

Good Ma range 8-10ma

Good Gm range 1800-2200

 

  • Low noise and not microphonic

 

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