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(!!!) (Good Value Single) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good (8.4/9.8ma)
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(!!!) (Good Value Single) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good (8.4/9.8ma)
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(!!!) (Good Value Single) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good (8.4/9.8ma)1 low noise tube) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used good in white boxes 1970's (good in guitar amps and a "best value" 12AT7) 8. 4ma Gm=4600 9. 8ma Gm=5300 tested on Amplitrex Good Ma range 8 10ma Good Gm range 4500 5500 Mullard clone made in France Hyperlec (later known as T. R. T and R. T. C.) was an electronics factory in Brive (a. k. a. Brive la Gaillarde), which is a town in the Corrze region of France.
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1 low noise tube) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good in white boxes 1970's (good in guitar amps and a "best value" 12AT7)
8.4ma Gm=4600
9.8ma Gm=5300
tested on Amplitrex
Good Ma range 8-10ma
Good Gm range 4500-5500
Mullard clone made in France
Hyperlec (later known as T.R.T and R.T.C.) was an electronics factory in Brive (a.k.a. Brive la Gaillarde), which is a town in the Corrèze region of France.
(!!!) (Good Value Single) ECC81=12AT7 Mullard old logo made in Hyperlec Brive France used/good (8.4/9.8ma)
Item no
:
89630939530
US$ 19.99
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1piece
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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
US$40
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