The JJ ECC803S is a long plate version of the ECC83S and is fully ECC83/12AX7 compatible. The long plate imparts extra cooling, improving service life. It also enhances bass and mid range compared to the standard ECC83S.
Note that long plate valves are more susceptible to microphonics than short plate valves, so add a damper ring when installing in a combo amp. This is not an issue with amp heads.
We test each JJ ECC803S at real amp voltages on our suite of vintage, modern, and custom-built valve testers for performance, noise, and microphonics. Made in Slovakia.
Click here for the ECC803S datasheet
Shipping options for UK and international customers available at checkout. Get your valves delivered faster!
Includes our class-leading 180 day warranty.
