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Mullard

ECC83 Mullard 12AX7 Matched Pair Ribbed plates NOS NIB Branded RTC Blackburn

ECC83 Mullard 12AX7 Matched Pair Ribbed plates NOS NIB Branded RTC Blackburn

€299,50
€299,50
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Auction is for two (2) tubes, matched pair within 5% of rare ECC83 Mullard 12AX7 Rebranded RTC Miniwatt Dario.

Ribbed plates, Blackburn tube plant B codes, NOS NIB, big ring getter, made in 1964!

These are real Mullard Blackburn ECC83,  NOS NIB, strong pair, low noise and carefully matched.

They are tested with 250V on plates and -1.5V on grids:

Tube 1: 2.45 / 2.50 mA
Tube 2: 2.60 / 2.55 mA

100% value for NOS tube is 2.15mA

f you want to know more about Telefunken ECC83 12AX7 and different types of smooth plate and ribbed plate versions you should read this article on my site: www.tubes.rs/ecc83-telefunken-12ax7/
 

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