Large plate dimensions and improved grid structure mean increased power handling capabilities. Mica spacers with metal springs eliminate tube rattle and microphonics. Platinum matching process consists of a 24-hour tube burn-in period followed by a bias (plate) current measurement in milliamps.
$34.99 - $69.99MSRP: $54.64
Hard Duet, Hard Quartet, Medium Duet, Medium Quart...
This Groove Tubes Gold Series GT-EL84-S power tube comes in duet and quartet sets. This European version with even more response, higher power, and warmer tone. It has a quick, soft overdrive distortionâgreat for recording but usually too low volume for live gigs.
$54.99 - $109.99
High (8-10 GT Rating) Duet, High (8-10 GT Rating) ...