2 Vintage Matched
IEC/Mullard
12AX7/ECC83
1966
Audio Tubes
NOS
These tubes were tested in my Military Hickok Cardmatic to make sure these were perfect. All the tests were excellent. These tubes were made in Gt. Britain by Mullard, in 1969, for high end audio use. They will significantly improve the sound quality of your amplifier. These tubes are the short grey plate version, with copper posts and the halo getter. They will bring that Old World British sound to your amplifier.
These tubes are getting scarce and is a high end tube used by most of the professionals. Great for guitar amps or any high end audio amplifier. These tubes are what audiophile enthusiasts are looking for. They can be used as driver tube in your amplifier. The tubes will come in the new Mullard boxes, as shown. They were originally purchased, new in bulk for radio repair. I will pack carefully & ship very quickly.
Mullard Blackburn Factory codes: I63 B6A1, & I63B6C1
Test results: 80/82 & 77/82, whereas a minimum good is 50/50 on this Hickok Cardmatic tester. These are a matched pair.
Tubes 100% fully guaranteed!
International Shipping will be USPS First Class International $13.00 to all Countries.
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Terms of Sale:
I will accept payment though PayPal only.
SHIPPING & HANDLING - lower 48 USA:
I will use USPS First Class unless otherwise requested, with signature confirmation.
Shipping and handling outside lower 48 USA and International:
International shipping will be done by; USPS First Class Mail International $13.00
Note: Item will be packed, in a professional manner
and ready to ship, within 1 days of payment. I have great feedback on my packing.
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No Returns!