Very rarely seen here! Genuine New Old Stock (NOS) and New In the Box (NIB) perfectly matched pair of British production Gold Lion (G.E.C) KT88 tubes in excellent working conditions.
These valves are made by The M-O Valve Company, Ltd. Hammersmith, London, W6 7PE, England.
Three ring getter construction (two side getters and one on top). Sourced from former Yugoslav army this tubes have been stored for over 30 years in a military warehouse. Original boxes – everything as it should be. Expecting life time is well over 10000 hours. Incomparable with today's recent Russian production.
Fully tested on my AVO CT160 tube tester with the following results:
Tube A: Ia=60.4 Gm= 9.3
Tube B: Ia=62.7 Gm= 9.3
Nominal value for 100% new tube is: Ia=57mA, Gm=8.0 mA/V
HEATHER TO CATHODE ISOLATION MEASURED OVER 25 MOHMS FOR BOTH TUBES
Base Color: Brown
Production Code Tube A: 7926 (Production year 1979, week 26)
Production Code Tube B: 7926 (Production year 1979, week 26)
Please take a good look at the pictures since this is your chance to obtain, own and use the best of the best KT88 tubes ever produced.
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Payment PayPal only. Buyer to pay PayPal fee and shipping.
Please note that the Price Not included your country's (Destination) import tax + VAT. For that reason I can declare any value.
I will pack the tubes very well in a double box.