From the editor:
C is for Cables which connect A to B.
H is for Headroom, and keeping it clean.
R is for Reverb. I live in a cave.
I is for Input; Output’s old mate.
S is for Sawtooths and Square waves as well.
T is for Timbre-of tubular bells.
M is for Meters and keeping them green.
A is for All valve Amp circuitry.
S is for surplus letters to rhyme.
Enjoy the holiday period.