TWO Mullard for IEC ECC82 12AU7 tubes

Tubes test 1800, 2000 and 2100, 1900 where pass/fail is 1430 micromhos

Halo / O getter

Short plates / 14mm ribbed plates

Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode)

FULL TEST RESULTS:

Tube 1:

1800 gm / 2000 gm (uMhos)

8.8 mA / 10.2 mA Plate Current Emissions (iP)

NO SHORTS / ZERO GAS

% Test results in percent %

81.8% / 90.9% gm (uMhos)

83.8% / 97.1% mA plate current

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Tube 2:

2100 gm / 1900 gm (uMhos)

11.6 mA / 9.8 mA Plate Current Emissions (iP)

% Test results in percent %

95.4% / 86.3% gm (uMhos)

110.4% / 93.3% mA plate current

NO SHORTS / ZERO GAS

USA Shipping free priority / advantage

international shipping = UPS 7 day delivery signature service or Global Post 10-20 day delivery depending on your country

*In photos I use camera flash on and camera flash off to show all detail*