Description
4 x JJ E34L matched power valves
A quad of brand new, tested and digitally matched JJ EL34 power valves. These selected Premium-grade valves deliver superior tone, power and performance.
The JJ E34L is a very high-grade EL34, manufactured at the JJ Factory (The former Tesla factory) in Slovakia. This valve is designed to sound like the original Mullard EL34, and it certainly possesses all the qualities of that renowned valve. This is the log-plate tube that Groove Tube rebrand as the “LS version”.
These valves have a tremendous sound canvas.
They are renowned for their tighter bass response, higher gain, increased headroom and aggressive but creamy overdrive. You will notice that they emphasise lower sensitivity for smoother tone. They feature thicker glass and much tighter tolerances than the standard JJ EL34.
If you are currently trying different EL34 valves to improve your sound, these are well worth a try. As you will have seen on the forums, they are highly regarded.
4 x JJ E34L valves for guitar amplifiers and hi-fi
The very high quality of the JJ EL34L power valve makes them suitable for both guitar amplifiers and hi-fi applications.
- Selected Premium Grade valves for superior tone and performance.
- Carefully selected and digitally matched before we ship to you.
- We have over 30 years in the industry and all our valves are fully guaranteed.
- Global shipping. We deliver all over the world.
- We offer a variety of shipping options with full tracking and insurance.
Upgrade Your Guitar Tone
This valve is a favourite with many of our professional players. They will upgrade your tone and give you longer life for not a lot more money. Highly recommended if you are chasing that perfect amplifier tone.



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