Tung-Sol6SU7GTYusedTung-Sol 6SU7GTY - USA - matched pair - military issue - 6SL7GT equivalentA matched pair of Tung Sol 6SU7GTY tubes. The 6SU7GTY designation was unique to Tung Sol. They are a special 6SL7GT, selected for having less than a 3% difference in gain between triodes for use in...170.00

Tung-Sol 6SU7GTY - USA - matched pair - military issue - 6SL7GT equivalent

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Condition
9/10
Payment methods
Ships fromRedford, MI, 48239
Ships toUnited States
Package dimensionsunspecified
Shipping carrierUSPS
Shipping cost$5.95
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A matched pair of Tung Sol 6SU7GTY tubes. The 6SU7GTY designation was unique to Tung Sol. They are a special 6SL7GT, selected for having less than a 3% difference in gain between triodes for use in a special military radio application. Considered by some to be the best American made 6SL7GT variant that can be had.

-  Black, round plates. Brown, micanol bases. Firm bases. Excellent silvering. Both tubes have the same structure inside and out.

-  Date codes of: "3220-26" and "322234", the 26th week of 1950 and the 34th week of 1952, respectively.


-  Tested on a calibrated Hickok TV-3 military tester and matched for dynamic gain and structure.

-  The tubes test at 1750-1750 and 1750-1750, where pass/fail is 1100 microhmo.

-  Likely new or very, very lightly used as there are no emission deposits on the top glass.
 

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