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(Mullard clone) 12AX7 Zaerix Hyperlec Brive France ribbed plates used 1970's (Gm=1400/1700)

(Mullard clone) 12AX7 Zaerix Hyperlec Brive France ribbed plates used 1970's (Gm=1400/1700)

$ 19.99

1 low noise tube) 12AX7 Zaerix Hyperlec Brive France ribbed plates used 1970's in white box

1 section) Gm=1400 (0.7ma)

1 section) Gm=1700 (1.3ma)

 

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.

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