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TESLA EL51 is a powerful audio frequency power pentode capable of delivering 45W of power. It is one of the biggest output tubes available, along with the EL151, EL156 and F2A. This particular tube has never been used and comes in its original carton box; it has also been tested to ensure top quality performance with an Ia reading at 114 mA and S rating at 14.5 mA/V (9/1959 datecode).  TESLA EL51 would be perfect for high-end hifi or guitar amplifiers requiring extreme levels of sound quality and reliability.

Weight 0.2 kg





Used. Tested 100%


14 day returns. Buyer pays for return shipping.

1 review for Tesla EL51 Tube 45 watt Power Amplifier Valve Pentode NOS, NIB

  1. Highohneend

    Considering the known problems, the handling was excellent. Recommendation!!!

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