These allow almost any amp 6L6, EL34 etc to run CLASS A on EL84s
Please check with your tech or the groove tube site.
These are the SUBSTI-TUBES. They are the same as the THD YELLOW JACKETS only they are in a more sturdy Metal casing.
Tubes barely used one hour
$85 or best offer
Please check with your tech or the groove tube site.
These are the SUBSTI-TUBES. They are the same as the THD YELLOW JACKETS only they are in a more sturdy Metal casing.
Tubes barely used one hour
$85 or best offer