Sonic Craft will be closed May 29th for Memorial Day. Shipping will not resume until Tuesday, May 30th.


$1,000.00 $360.00
These have been quite possibly the best 6550C/KT88 tube type in production. But impossible to find in first-quality grade because the bulk of them were being bought by guitar-amp manufacturers.

See the spec sheet HERE.

This listing is priced for matched quad sets.


Almost Gone!
Back Reviews