- Electro Harmonix 6550 power tube.
- Matched sets available.
- Rugged and reliable.
- Leaded glass compound
- Made in Russia.
The 6550 is great at handling lots of power (and heat). It's known for great reliability and is often used in place of a KT88. It has plenty of headroom and is usually used in instrument amplifiers and hifi audio systems. 42-44w of plate dissipation. If you order x3 or more then a 5% discount is auto applied.