Do you have a question about the KOOL BLACK and is the answer not in the manual?
Lists the items included with the amplifier, such as mains lead, footswitch, and user guide.
Warns about high sound pressure levels and potential hearing damage at high power.
Details re-biasing tubes for technicians, specifying bias points for different tube types.
Advises on common tube-related issues like premature failure or microphonics.
Provides contact information for warranty and product questions via email.