6SN7GT AWV AUSTRALIA RADIOTRON EX AIR MINISTRY AUSTRALIAN MADE 6SN7
6SN7GT AWV AUSTRALIA RADIOTRON EX AIR MINISTRY AUSTRALIAN MADE M We have on offer today, one of these sonically lush high performance triodes. It carries base markings in white ink and etched cartouche on the envelope. The fat black base has the 1950s Air Ministry shrink overcap fitted for airborne high altitude, high performance devices. This device shows full emission and superb matching for each triode section within each envelope - a hallmark of a good valve.