Kay K-504 1960s Amplifier Cab With Mojotone Princeton Amp Kit Upgrade speaker Gibson was building these guitars

Gibson was building these guitars by hand in Kalamazoo

Don’t miss this rare piece of Vox and Celestion history

as is the original paperwork — documentation that adds provenance to an instrument that is already as documented as any Fender Custom Shop guitar of the era

The panel on this Bassman is indeed painted black rather than the dark brown of its predecessors from earlier in the ’60s

Kay K-504 1960s Amplifier Cab With Mojotone Princeton Amp Kit Upgrade speaker Gibson was building these guitarsNo sales tax for US customers outside California. Here's a cool piece a Kay amp chassis and cab with a Mojotone Fender Princeton kit built in, in place of the original electronics. Kay Musical Instrument Company was one of the largest American guitar and amplifier manufacturers of the postwar era, producing instruments and amplifiers under the Kay name and for dozens of other brands from their Chicago factory. The Kay amplifier cabinets of the 1950s