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EL34 - Electro-Harmonix

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Item ID: 004840
Starting at: $16.00
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Most common power pentode found in British amplifiers such as Marshall, Hiwatt, Laney, and Sound City. The EL34EH defines the classic British rock sound of the 1960s and 1970s.

Apex Tube Matching
Matched versions of this tube use Apex Matching
OptionOur Part NumberUPC/EAN
Apex Matched PairT-EL34EH-MP609722124225
Apex Matched QuadT-EL34EH-MQ609722124232

RoHS Compliant

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Product Reviews

4.40 out of 5 based on 5 reviews

When I got them they each sat at 31mA, no fluctuations. That is after I had accidentally set the bias way too hot. I had them making some clinking sounds for about 5-10 seconds. I thought for sure I had fried them and they were done for. I fixed the bias issue, and they were right back at 31mA each. Two weeks later they have settled at 31mA and 30mA. That is better than any pair of matched tubes I have ever bought.

They sound fantastic, and break up nicely without going muddy. They definitely held their own even though I sent some tube killing current through them, and still sounding great today.

Will certainly buy again.

warlockkotmail.com - January 21st, 2016

Equipment: Scott 272 integrated stereo

Problem: Has a quad of original SED installed, has been performing well for 10 years. Filament on one tube started going recently (shake the tube a little and it will start working again for a bit). Figured that since bias and balance are adjustable, why not buy ONE EH and see if I can get away with it.

The verdict: PERFECT. Slapped the one tube in, let amp warm up a few minutes, had to re-bias and balance ever so slightly. No way to tell sonically there is an "impostor" tube in there. Let it warm up 3-4 hours, conduct all tests again. Nothing moved!

The future: Winged C now too expensive. Will evaluate this arrangement. If the current EH holds up, I will buy three more and replace the remaining SED tubes as they fail with those.

A little puzzled with the reviewer saying it is better to buy the Mullard reissue: blow up the pictures and you will see it is the same structure as the EH.

sapman99 - October 30th, 2015

Excellent tube, to anyone searching for english tone.

Claudio Silva - October 15th, 2015

Shortest lifespan, probably the worst tone and worst performing EL34 I have used lately. I have a large stash of UK made Mullards, Philips, Telefunken, Tesla (not JJ) and Matsushitas in my shop, and these are total a joke compared to those. Spend a few more dollars and get the Tung Sol re-issue, or Mullard re-issue, or save a few bucks and buy Chinese valves. Or you can buy JJs and have their weird unique tone, but the JJs should last longer too.

seb-ear-aaaaox.net - March 27th, 2015

Installed the quad set of EL-34 tubes, very close match, bias set and does not drift, tubes balanced and sound quite lovely indeed.

Jim Thompson - July 14th, 2014

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