Siemens - E81CC / 12AT7WA 'Matched Pair' Audio component

Selected matched pair of E81CCWC/12AT7WC military supply. NEW NOS tubes with AVO M, 163 and with a curve-trace oscilloscope. Burned in on my Phono amplifier for about 20 hours. Very musical tubes capable of guaranteeing not less than 5000 hours at high performance. Measured values: 15.8-15.8. 16.0-16.0. These tubes are part of military stock, and the WC code means they are the third and final series (after WA and WB) with the highest improvements for noise suppression and maximum rigidity, guaranteeing very low microphonics. The musicality is of the highest level, comparable only to some Telefunken (ECC801S), a few Mullard military stock tubes, Amperex made in Holland, and a few Philips also from military stocks.

Estimate:$168.19

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