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 brand; clear top end that is open but not bright or tizzy, tight bottom end, and a …

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 up to 110W output per pair, with 550V on the anode. Up to 160W per pair may be achieved with anode voltage of 750V and screen grid voltage of 600V.

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 rich midrange as it is and the KT90's may be what I'm looking for. Anyone have experience or opinions on these tubes?

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 guitar amps. The bass is solid and defined, mids are …

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 specific KT88, KT90, KT120 tube. There you will find related articles and downloads such as datasheets, pin-outs, ratings, and matching information when ...

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 amplifiers utilization up to 110W output per pair, with 550V on the anode. Up to 160W per pair may be achieved with anode voltage of 750V and screen grid voltage of 600V.

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

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