KEN-RAD CKR 6SN7GT VT-231 *BOGEYS*
GENUINE KENTUCKY RADIO
LEGENDARY '1940s' BLACK BEAUTY
U.S. SIGNAL CORP - U.S. NAVY
HEAVY CHROMED FOIL
BOTTOM D GETTER
2 HOLE BLACK PLATES
PERFECT MATCHING SET
Extremely Rare - NIB
(Ships In *Reproduction Boxes)
★★★ Amazing Historic Military Tubes ★★★
U.S. ARMY U.S. NAVY JAN Military Specification Tubes
Production Year: 1943
Matched Coded: D3
Tall Black Base
Platinum Label
Set of Two (2) Tubes
Made In the U.S.A.
★★★ These Tubes are Very Rare in Brand New Condition ★★★
BEST TUBES ON THE MARKET... NO SHORTS... NO LEAKS...
★★★ HICKOK TESTED ★★★
Tested on Hickok 750 for Emission, Mutual Conductance
Where 50 mA is Good these tubes peg at 75/76 for Emission
Where 2,600 μA is Good these tubes peg at 3,000/3,200 for Mutual Conductance
Tube 1. - Plate 1. - 75 mA - 3,100 μA at Idle - NOS
Plate 2. - 75 mA - 3,100 μA at Idle - NOS
Tube 2. - Plate 1. - 75 mA - 3,100 μA at Idle - NOS
Plate 2. - 76 mA - 3,200 μA at Idle - NOS
Perfectly Balanced - Rare and Exceptional - Full Tonal Range
EXCLUSIVE HIGH FIDELTY TUBE
The tubes are put through a Life Test and each plate is warmed and measured for emission, leaks and shorts! Each tube is thoroughly inspected, they are described accurately and listed based on fair value...
My Return Policy: 30 Days - Seller pays return shipping! All tubes are Guaranteed to be as described... You can buy with complete confidence! Please read listing thoroughly and ask any questions prior to purchase... Tube rolling will not be tolerated! Any and all returns must be in identical condition as when they were received... Test Driving Vintage NOS Tubes is completely unacceptable and highly unethical! Buyer will be charged for mishandled and damaged returns...
All tubes manufactured emit some type of sound, hum or slight microphonic! Noisy tubes would always be auctioned or tossed... I mark every tube in order to avoid tube rolling! Variations in Line Output and Test Equipment excludes any claims regarding matching test results on any equipment other than mine... *Test results from different Test Equipment IS NOT Guaranteed!
International Buyers Welcome! I use eBay Global and USPS 1st Class International exclusively, unless otherwise stated... I am unable to change declared value on customs forms, and International Buyers are responsible for all taxes, customs and additional fees! Each tube is fully insured, boxed and shipped safely...
★ Expedited Shipping ★
★ Shipping times may vary based on region ★
★ *Honesty, *Reliability and *Integrity are *Everything ★