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(!) 12SL7GT GE NOS around 1970 (1 pair)

(!) 12SL7GT GE NOS around 1970 (1 pair)

$ 15.99

1 pair) 12SL7GT GE NOS 1970's round silver/chrome plates and series filament wire, 1 tube slightly taller than other tube

1 tube) 2.4ma Gm=2800

1 tube) 2.9ma Gm=3000

 


tested on Amplitrex AT1000

Good Ma range 1.8-2.5ma

 

- Tom McNally Darling amp 2009

 

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