Model: ECC81 12AT7. Used Tested 85%, great pair, tested in line preamp for noise.
eBay
Most of my tubes were U.S. made.
eBay
MIN = 32 / 32.
eBay
Triode #1 - Plate Current = 9.22mA \ Rp = 11101 \ Gm = 5884 \ Mu = 65.3 \ Corners = PASS. Triode #2 - Plate Current = 9.65mA \ Rp = 10441 \ Gm = 5855 \ Mu = 61.1 \ Corners = PASS. Triode #1 - Plate Current = 10.24mA \ Rp = 10420 \ Gm = 6141 \ Mu = 64.0 \ Corners = PASS.
eBay
Up for sale are 4 GE General Electric 12AT7 Tubes.
eBay
One matched pair of 6201/12AT7W (or -WC) tubes by GE (USA), new in boxes. Most of my tubes were U.S. made.
eBay
We cannot be responsible for what tubes test in another tester.
eBay
6201 = ECC801S = E81CC. 6201 = 12AT7WA = ECC801S = E81CC = CV3508 = CV5212. It is often used for Hi-Fi applications. It provides very smooth mids and high end with a lot of detail. THE 3-MICA 6201!
eBay