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1 x 6AR5 GE Tube *NOS*NIB*Black Plates *1950* (5 available)
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₱ Ad Type: For Sale | Location: Outside Cebu
| Views: | Comments: | 11 March 2023
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Made in USA The auction is for 1 tube and there are 5 available NOS NIB All have same codes 0-22,188-5 = 1950 Tested on Enhanced Triplett E3444 Laboratory Tester prepared by Paul Hart of Ga. See pictures for results Bogey(100% or New) = 2300 @ 32 mA +/- 10% The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us. The test conditions for this listing are __250_V plate, __250_V screen, ___-18___Vbias or Cathode resistance What were your tubes tested at? I do combine shipping" Pictures Share this AdAdvertised byAd Phone Number: | |
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