Tung Sol 6550 vs. GEC/Genelex/Gold Monarch KT88

I assume you have read the Vacuum Tube Valley shoot out - in a recent issue.

Regards,

VTV 6550/KT88 Shoot Out for Hi-Fi

Genalex KT88 Gold Lion 1969 - 4.87
Tung-Sol 6550 1963 Solid Grey Plate - 4.77
JJ KT88 2002 - 4.63
Ei KT90 1999 - 4.52
EH KT88 Reflektor 2002 - 4.16
Sveltana 6550 2001 - 4.13
Svetlana SVKT88 2002 - 4.09
Svetlana SV6550C Reflektor 2002 - 3.98
Philips Sylvania 1970s - 3.98
Chinese 6550 Valve Art 2002 - 3.89
GE 6550A 1970s - 3.78

The Tung-Sol was voted the best 6550. The Genalex was voted the best KT88 and the best tube in the shoot out. The Ei KT90 was voted the Best Value - it was liked by all reviewers. The JJ KT88 was voted the best new KT88 and also a KT88 best buy.

You will enjoy the article.

Regards,

Coincidence?

Makes you wonder, doesn't it?

I am a novice, so can you explain whether the 6550 and the KT88 are electrically equivalent or not?

Regards,