On sale is one matching pair of National Union 6SN7 GT VT231 Military grade vacuum tubes. Both tubes were made in the late 40’s. Both tubes coded ER and " SC 545 A " on their bases. Their Trans Conductance percentage have been tested by a TV-2/CU tube tester, the readings were 96/92 and 96/94 out of 100/100. Tubes have been sound tested with a 300B SE mono power amplifier, the sound was clean and full and without any issue.
Tubes come with 7 day satisfaction warranty; refund will be the price of the tubes only. Buyer pays all shipping. Please check pictures and ask questions.
Condition ratting is base on the test. For more information, please visit www.tasaudio.com.
Shipping cost is $9.00 for the inner 48 states via USPS Priority. Outside continental US rates vary.
Insurance is optional.
For international buyer, please contact us before any offer.
NEW YORK residence need to pay 8.875% tax