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Genalex 12AT7 Gold Lion Matched Pair

Genalex ECC81/B739 Gold Lion tube is a faithful reproduction of the original Genalex B739 which is considered one of the rarest 12AT7 tubes. ECC81/B739 is a European type code for 12AT7, and ECC81/B739 is a drop-in replacement for any 12AT7 application.

Gold Lion ECC81/B739 provides excellent extended resolution and deep bass in audio applications, featuring balanced triode and beautifully gold plated pins. Price is for a matched pair (two tubes). We hand select ECC81/B739 tubes that are close in gain and appearance.


Manufacturer Genalex
Configuration Matched Pair
Package Includes
  • 2 x Genalex 12AT7 Gold Lion