Original KT88? or not

[h00hbt]

Hi all

Are these original GEC KT88´s? How does one spot the fakes?

Cheers

An externally hosted image should be here but it was not working when we last tested it.

 

[Rodeodave]

This might help:

YouTube - audiotubes's Channel

 

[HollowState]

An interesting video, but it was annoying with the speaker smacking his lips at the start of every sentence.

 

[Evenharmonics]

but it was annoying with the speaker smacking his lips at the start of every sentence.

Perhaps computer speakers powered by tube amp would smooth it out a bit. 😀

 

[Rodeodave]

Here's some more:

KT88 and 6550 Tube Directory