How long do KT 120 tubes last?
2000 hours is the common figure given for when you should change out a set of output tubes.
Can KT120 replaced KT88?
This tube is a drop-in replacement for KT88s… no special re-wiring required! The KT120 is rated to have a plate dissipation of 60W… compared with the 35W of the 6550, the 42W of the KT88, that’s a lot of juice!
Who makes kt120?
To its credit, Shuguang has developed over 120 types of vacuums tubes and has manufactured over 70 million tubes over the last 50 years with their 300B tube production accounting for nearly 80 percent of the worldwide output.
What tubes are interchangeable with KT88?
6550. The 6550 is a beam tetrode that’s similar and often interchangeable with the KT88 and KT90. It was introduced by Tung-Sol in 1964.
What’s the difference between an EL34 and a kt88/6550?
I think most people would say the EL34 gives you more of the tube thing, while kt88 or 6550s give more control and better bass. Back to the speaker interface…for example, I have Khorns and they just LOVE a good EL34 amp.
Is the kt120 still a good tube?
Indeed, the KT120 is as good as it gets these days. You lose frequency extrension, control, dynamics when you use the smaller tubes, especially the EL34. You also increase SNR and distortion. SandAndGlass, Tullman and Ortofun like this.
Are EL34 and KT77 tubes interchangeable?
In this article, we are going to take a look at two power tubes that are similar enough to be interchangeable, but have different internal designs: the EL34 and the KT77. The story begins in the 1950s with the invention of the EL34 vacuum tube by the Mullard company in England.
What power tubes for Primaluna kt150?
All the rest of you any opinions on the KT150 or something else I should be considering for my Primaluna I currently have PL branded EL34 power tubes and I’ve put the VRD’s Penta Labs KT-88s in as well. The manual says it can take the following: 6L6G, 6L6GC, 7581A, EL34, EL37, 6550, KT66, KT77, KT88, KT90, KT120