6550 / KT88 / KT90

KT88's generate a lot power, handling significantly more plate voltage than other power tubes. As a result, KT88's and 6550's are produce cleaner tones and have low distortion, making it popular amongst bass amplifiers and high end audio applications.





Sold out
tung-sol-6550
Tung-Sol 6550
The Tung-Sol 6550 is New Sensor Corp.'s faithful reissue of th...
$ 149.90
More details
Sold out
Svetlana 6550C
Svetlana 6550C
The Svetlana 6550 is a nice, solid, reilable tube. Tight botto...
$ 69.95
More details
Ruby KT88-CZ
Ruby KT88-CZ
The Ruby KT88-CZ has a tightly compressed bottom end that is p...
From $ 69.95
More details
NOS-6550-A
ANOS GE 6550
ANOS GE 6550. We have a few ANOS tested GE 6550's left for a n...
$ 99.00
Gift Card 2024
Gift Card 2024
Here's an easy way to show how much you love your favorite mus...
$ 25.00
Valve Art 6550
Valve Art 6550
Shuguang 6550, similar to the Ruby 6550A-STR. Shuguang.
From $ 59.95
More details
NOS Svetlana 6550C
NOS Svetlana 6550C
NOS Svetlana 6550C
New old stock Svetlana 6550C's, 90's and 2000's vintage. Also ...
From $ 119.95
More details
ANOS Tung-Sol 6550
ANOS Tung-Sol 6550
Original Tung-Sol 6550's, made in the USA. These have been tes...
From $ 179.95
More details