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2 X SIEMENS 12AX7 ECC83 Matched, 1957, MC1 ‡7F LongPlates, 17mm, Top Strong Testd




Item History & Price

Information:
Reference Number: Avaluer:7256706Model: 12AX7
Type: Preamp TubesCountry/Region of Manufacture: Germany
Brand: Siemens
Original Description:

Matched Pair 1957, SIEMENS-Halske  12AX7 ECC83,   made in W. Germany Munich Factory with early etched same code: mC1 ≠7F.Great Audio tubes,   single-support 'o' Getter,  17mm Long-Gray Ribbed Plates, strong flashy when on.Clean Thick Getter Patch, Seams on Top and Copper Grid Posts.Strong values, like top news, tested in my Hickok 539C tube tester:  1700 - 1710 Gm1650 - 1700 GmMin.Recommneded for 12AX7 / ECC83: 875 - 875 Gm. ... 60%.Checked ok no gas, leaks or shorts.  Shipping to Worldwide, carefully well packed for a safedelivered.method; Registered ( Certificated) parcel post with tracking to  anywhereand signed to delivered.I will gladly combine shipping upon request.


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