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5 Rare Perfect Matched Mullard Shield Logo 12ax7 Tubes 1




Item History & Price

Information:
Reference Number: Avaluer:7053569
Original Description:
I have 5 rare mullard shield logo 12ax7 tubes.These tubes are rare as they have the 2 support steel mica support rods for no microphonics occur from vibration of guitar amps or hifi amps.These  tubes test 40-40  40-40  40-40  40-40  40-40   where 32 is the minimum good and new tubes test 48 to 50 on my calibrated tv7d/u tube tester.ABSOLUTELY NO SHIPPING TO MAINLAND CHINA WAY TOO MANY PACKAGES LOST AND PROBLEMS WITH THE CHINESE POSTAL SERVICE.

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