60%

6V6GT Matched Pair Raytheon – Hickok 539B Tested

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Original price was: $70.40.Current price is: $42.24.

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Country/Region of Manufacture : United States
Seller Notes : “Test NOS, 30 Day Guarantee”
Type : Vacuum Tube
Brand : Raytheon

Matched Pair, Grey Smoked, Brown base Hickok minimum test rating is Gm 2600 (65%) NOS is 4000. These test Gm 4000 / 4300 and Plate Current Milliamps 38 / 40. Matching construction. Test results from a Hickok 539B that was thoroughly overhauled and calibrated 7/2022. Tester warms up for 30 minutes to stabilize before tests. All tubes preheat minimum of 5 minutes before testing. Test is conducted on a fully heated tube. Checked for shorts Gm value Plate voltage I test using digital read outs for accurate A/C voltage adjustment and plate current verification. . My tubes are marked with documented identifiers to prevent false return claims. Shipping Insured Priority Mail. 30 day guarantee on defective tubes. Always free return shipping.

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