Electro Harmonix 6CA7

Electro Harmonix 6CA7
Matching Options: SingleMatching Options: Matched PairMatching Options: Matched Quad
Our Price:  £30.00
Matching Options



No stock, delayed despatch

Model:  SKU110-1
Part Number:  6CA7
Brand:  Electro Harmonix

The EH 6CA7 is designed to the specifications of the Phillips 6CA7, this classic tetrode returns to life in a big bottle design. The 6CA7EH is built to withstand today's high-gain amps while still retaining the detailed tone and component integrity of the original. A replacement, with military reliability, for the EL34.

These run hotter than standard EL34's, so you will need a reasonable amount of adjustment in the bias circuit of your amp.

Platinum Matched & Tested

We burn-in these valves for a minimum of 30-40 hours before matching. The reason we do this is to get rid of any faulty or weak valves and as a pre-grading process to allow the plate/grid mechanism to relax into its rest position. Tiny differences in construction make for enormous differences in electrical characteristics, and thus if a tube is graded after it has been burned in then the measured characteristics hold true over its lifespan to a greater extent. This seems simple but its amazing how many vendors ignore it. Its the reason so many people complain about poorly graded valves.

These are Platinum Matched & Tested with state of the art digital & analogue measuring equipment for

  • Current (ma)
  • Transconductance (gm)
  • Emission Quality
  • Grid Leakage
  • Shorts

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