Siemens & Halske E83CC premium version of the Ecc83/ 12AX7. Genuine tube made in Germany with ≠ code and doble arm getter .Rare matched pair. Tested with 85-90% of emission on each triode.

1.6/1.7ma Gm 1500/1500

1.6/1.6ma Gm 1600/1600

Foto reali dell'oggetto in vendita