"Orange Drop" Capacitors, known for the best in tone, make a great upgrade from standard caps.

Orange drops give a nice clean smooth tone, versus the muddy sounding and unstable old hollo-wax paper caps originally used. The film caps have much better leakage and inductive characteristics too. And they'll probably outlive the amplifier and the musician.

Our caps are the Sprague Orange Drop 715 Series capacitors from New Sensors, the same people who supply EHX parts.