With the GT-KT66-C Groove Tubes offers an exact copy of the legendary power amp tubes of the Marshall Bluesbreaker Combo. Th...
As a loving recreation of the legendary 1960s Genalex Gold Lion KT88 beam pentode, the Groove Tubes KT88-SV has the same tec...
Groove Tubes GT-KT88-SV Sextet Medium
Groove Tubes GT-6550-C Sextett Low