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Title: Five used 1644 tubes
Item: [1644-1] $15.00


Title: Five used 1644 tubes
Item: [1644-1] $15.00


Here are five used 1644 twin pentode power amplifier tubes.
The 1644 is a special version of the 12L8 tube.
All are from RCA.
They are used but still have strong readings.
See test results below.

1644, GT, RCA, used, twin pentode power amplifier, 100%/120% emission, 2200/2700:2150 Gm
1644, GT, RCA, used, twin pentode power amplifier, 110%/120% emission, 2500/2700:2150 Gm, broken locator pin
1644, GT, RCA, used, twin pentode power amplifier, 120%/110% emission, 2600/2500:2150 Gm 1644, GT, RCA, used, twin pentode power amplifier, 120%/100% emission, 2800/2500:2150 Gm
1644, GT, RCA, used, twin pentode power amplifier, 120%/130% emission, 2600/3000:2150 Gm


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