What do KT88 tubes sound like?

What do KT88 tubes sound like?

Somewhere in between the soft, glassy tone of an EL34 and the raw, edgy tone of a 6550 lies the KT88. I’ve found them to have a similar glassiness and upper midrange sparkle to an EL34. They tend toward having rich harmonic response as well as a tighter, more defined low end, much akin to the 6550.

Where are EL34 tubes made?

This matched pair of EL34 tubes is made in Russia and designed with carbonized screens and gold-plated grids. They are economical, yet produce high-quality.

Can a 6550 replace EL34?

Impedance exactly the same. No issues there whatsoever. Slight mismatch issue between KT66’s and 34’s/6550’s/KT88’s/6CA7’s, but still acceptable. 6550’s and EL34’s interchange just fine with minimal changes.

Can I replace KT88 with EL34?

EL34 and KT88 share the same pinout and are interchangeable in some circuits.

What is the difference between EL34 and EL34B?

I think you will find EL34 is the original copyright title from Mullard and other manufacturers back in the day when production was good and EL34B is the new build version. EL34s as NOS cost an arm and a leg and EL34Bs from China/Eastern Block, are relatively cheap. They are basically similar in performance.

Can I swap EL34 for KT88?

What is a KT77 tube?

Then, once the 6CA7 began to grow in popularity, England responded with the KT77 (Fig 2). The KT77 has been called the Ultimate EL34, and it features an internal design that is similar to the 6CA7, but optimized for use in audio applications. These tubes have taken quite a journey since their introduction.

What is the difference between the KT77 and the EL34?

The KT77 has been called the Ultimate EL34, and it features an internal design that is similar to the 6CA7, but optimized for use in audio applications. These tubes have taken quite a journey since their introduction. For a while, the EL34 and the 6CA7 became the single EL34/6CA7, while production of the KT77 ceased in the 1980s.

What is the difference between 6CA7 and KT77?

The 6CA7 and the KT77 tubes have a much deeper and more open sound with a cleaner high end. The re-issue of these tubes makes it possible to try them out and find the sound that is right for you. How long do EL34 tubes last?

Are KT77 tubes supported with fire bottle Sep amps?

(As you’ll see below, KT77 are one of the few supported output tubes I haven’t tried … tube rolling is a sickness …) However, I have tried EL34, in addition to Gold Lion KT66. The speakers in the system with my Fire Bottle SEP amp are RF-7II.