On sale is one matching quad of Sylvania JAN-CHS-6SN7W Military grade vacuum tube. Tubes were made in the 40’s with heavy mercury, carbon coated T plates and extra support rods. All tubes coded G 5 on their tops, H 5 and a Marine stamp on their bases. Their Trans Conductance have been tested by a TV-2/CU tube tester, the readings were 93/96, 92/93, 96/93 and 95/93 out of 100/100. Tubes have been sound tested with my 300B SE power amplifier, they sounded good without any issue, all tubes in excellent condition. 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 reading.
Shipping cost is $12.00 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