RE: Tung-Sol 6520 - test questions - MP62

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RE: Tung-Sol 6520 - test questions

In Reply to: Tung-Sol 6520 - test questions posted by Byrd69 on February 19, 2023 at 09:26:26:

Hi.

Must be a mistake in the 539B testing manual.

The 6520 tube is a 6AS7 - sometimes with domino plates - that make it more desirable (like the 5998 and 2399 tubes). It is common to have testing at 7.5 Volts, especially on the KS series of testers.

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Topic - Tung-Sol 6520 - test questions - Byrd69 09:26:26 02/19/23 (2)

RE: Tung-Sol 6520 - test questions - MP62 17:11:45 02/19/23 (0)

This is what I have found: - John PA 12:26:55 02/19/23 (0)

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RE: Tung-Sol 6520 - test questions - MP62 17:11:45 02/19/23 (0)

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