TubeDepot carries a selection of 6550 / KT88 / KT90 Power Vacuum Tubes. New & NOS power tubes from Mullard, Tung-Sol, Telefunken, Sino, GE, Telefunken & more!

High power KT90 for HiFi, not recommendet for guitar- or bass amps. size: d= 39mm, l= 108mm (without the pins)

The Electro Harmonix KT90-EH tube is a drop-in for any KT88 or 6550 tube... bias your amp just as you would a KT88 and you're good to go! Sonically they are true to the Electo Harmonix …

The KT90 is a beam-power pentode primarily designed for use in audio frequency power amplifier applications. Anode dissipation rate is 50W, which provides for push-pull amplifiers utilization …

2015年3月26日 · I'm thinking if getting a quad of EH KT90's as I've heard they have a bit livelier and aggressive sound than Gold Lion KT88's I'm currently running. My system has a pretty …

The Electro Harmonix KT90-EH vacuum tube is a suitable replacement for any KT88 or 6550 power tube. This KT90 tube is an excellent quality tube and a solid performer in both hifi and …

We have a large selection of KT88, KT90, KT120, and KT150 vacuum tubes in stock with tube reviews submitted by our customers. Be sure to click the “Additional Info” tab when viewing a …

2002年1月12日 · KT90 is a beam-power pentode primarly designed for use in audio frequency power amplifier applications. Anode dissipation rate is 50W, which provides for push-pull …

2021年6月9日 · High powered output tubes used when you want it LOUD.

Scroll down to browse our current selection of vintage 6550 tubes and burned in, tested, and precision matched new production 6550 power tubes. Click "more info" for pricing, availability, …