Choke mod 149.00

​Output transformer upgrade 195.00

​Choke and output transformer upgrade 295.00

​Convert preamp to 183 style circuit 299.00

​Convert preamp to 183 style circuit and choke mod 399.99

​Convert to 183 style circuit, choke and output mod 499.00

Choke and output transformer by Classic Tone USA

Ceriatone OTS20 Lunchbox Mods

Clips coming soon

Rocknroll Amps