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1MQ ECC83 Mullard Cooper Post Blackburn made in Gt.Britian Amplitrex tested


  • World Wide Shipping
  • Shipping Charges USD 35
  • 5 to 7 Business Days Shipping Time
  • Up for Sale 4 Pc.
  • top halo ring getter
  • Very strong matched quad excellent condition
  • New in white Box
  • For more information kindly contact us through email


Out of stock

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Up for sale 1matched quad

The Photos are actual Photos of tubes  you are buying   

 ECC83 12AX7 Mullard NOS

top halo ring getter 

Cooper Post Blackburn

made in Gt.Britian

Very strong matched quad excellent condition

Tested on Amplitrex AT1000 Advance Digital Tube Tester

Sr. No.1667024  T1=Ia=1.2ma Gm=1600

                           T2=Ia=1.4ma Gm=1700

Date code : B2C4

Sr. No.1667021  T1=Ia=1.3ma Gm=1600

                          T2=Ia=1.5ma Gm=1700

Date code : B891

Sr. No.1169001 T1=Ia=1.2ma Gm=1600

                          T2=Ia=1.2ma Gm=1700

Date code : B4B4

Sr. No.1667025  T1=Ia=1.2ma Gm=1600

                          T2=Ia=1.4ma Gm=1700

Date code : B6K2

We accept order with combine shipping

   All tubes tested on our Amplitex AT1000 A Advance Tubes Tester to preform the test as mentioned and to ensure that the tubes are in factory specs (working) before listing them. All tubes are checked for Shorts, Emission, Life test, and Leakage. Emissions/life test on this meter Tube tested: No leaks, No shorts, Good emissions Tube tested emissions (100) life test (100)Tube tested strong. Our experienced shipper will package your item(s) with care. Through Expedited delivery within 5 days by DHL,FEDEX,UPS, with tracking Number. We also combine multiple purchases. Our shipping carriers include , FedEx   We reserve the right to ship using the carrier and shipping method that is most effective for your purchase.

About us

   We specialized in thoroughly tested and screened quality vacuum tubes. We have various type of valves and tubes testers Like – Amplitrex AT1000 Advance Digital Tube Tester,  – Hickok 752a tube tester, – AVO Type 160We have been in the valve and tube Business Since 1970’s.Previously we were better Known as a Wholesaler, but recently, We are offering more retail items. All item are tested and guaranteed and supplied. We have Approximately 3,00,000 Valve and Tubes Stock



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