Electro-Harmonix 6CA7EH Power Vacuum Tube (High Plate Current)

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Availability: Usually ships within 24 hours.

USD $‎33.95 USD $‎23.95
1 +USD $‎33.95
1 – 24USD $‎23.95

Need matched power tubes? Don't worry! Price includes matching in any quantity you need for no extra charge. Need a matched pair? Just order "2" tubes. For a matched quad order "4" tubes. Matched sextets and octets are available as well.

Important Note: These vacuum tubes are brand new Electro Harmonix 6CA7EH power tubes that draw higher than normal plate current. We exclude these tubes from our standard stock because most EL34-based amps can not properly bias them, causing them run too hot.

What are these tubes good for?
- These are good for people who work on their own amplifier mods and will make bias shunt resistor adjustments in the bias circuit to bring them into the appropriate bias range.

- Amplifiers that already have a very wide range of bias range available. For example, hifi amplifiers designed to use a range of tubes from EL34 to KT88. These amplifiers will already have more than enough bias voltage to dial-in these 6CA7 tubes properly. We find they need bias voltage closer to 6550/KT88 tube types.

They test as new in all other respects and will carry our standard 90 day warranty.

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

Other Electro-Harmonix tubes       EL34 Tube Types

Additional Information and Downloads

EL34 Tube Review

Tube Matching Information:
Power Tube Matching FAQ
Perfect Pair System

Electro-Harmonix 6CA7EH Datasheet (PDF)

Download Adobe Acrobat PDF reader

Warranty Information and Return Policy

Warranty Period: 3 months

All our tubes are guaranteed for 3 months from the date of purchase. (Any exceptions will be noted on that tube's Warranty tab)

If you receive a tube that does not perform to the manufacturer's specifications, please do the following:

- contact us to get a return authorization
- return it via regular mail within 90 days from when we shipped it, and we will provide an exchange or refund of the full purchase price of the tube.

Returns not related to warranty or defect will be considered at our discretion, and are subject to a 15% restocking fee.

We can not accept returns that don't have an authorization, are past 3 month, or are returned improperly.

These guidelines may be updated without notice.

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