2 Vintage 1970 Mullard Blackburn made Philips Branded 12ax7 Vacuum tubes!

Please see the detailed pictures below


2 Vintage 1970 Mullard UK Made but Philips branded 12AX7/ECC83 vacuum tubes. The tubes feature Grey plates with O getters.

Tubes date to 1970 and have date codes of I63 B0K2 and I63 B0K1

Tube both have matched balanced plates for current draw.

Tubes have been tested on a recently Calibrated Hickok TV7 tube tester with a digital meter and test as follows:

Tube1 : 41.5/50.2

Tube2 : 41.7/51.2

Minimum good value on a TV7 tester for a 12ax7 tube is 32. The tubes test within or near the NOS range!

Tubes are guaranteed to be in good working order upon delivery. If a tube ends up bad within 1 week of delivery just ship it back for a full refund on the bad tube minus shipping costs.

  See pictures for details. 

If you have any questions please email.

I will ship worldwide.

Buyer to pay all shipping costs including brokerage and taxes if any.

Item is located in Canada but will be shipped with the USPS from within the USA for USA buyers or with UPS or Canada Post for from within Canada for Canadian buyers. For overseas buyers : UPS or USPS..

Please wait for my invoice before paying to avoid any hassles.

I do combine shipping to save you costs!

See my other auctions for more vintage audio gear!

Local pickup in Vancouver BC is also available.

GOOD LUCK!!!!!!!