Electro Harmonix 6CA7

Electro Harmonix 6CA7
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Matching Options: Matched PairMatching Options: Matched QuadMatching Options: Single
Our Price:  £19.50
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In stock, immediate despatch


Model:  SKU110-3
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.

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