The guitar also has 2 tone controls and 1 volume control.
Inventor of the tone control for radio and the paper capacitor which launched his business.
It features 2 channels, each using independent gain and tone controls.
Many models featured one, or sometimes two, rear tone controls.
The tone control has the ability to do exactly what you'd expect, thickening the sound or leaving it open and bright.
In addition there are the usual master volume and tone controls.
Two further tone controls offer high and low pass boost/cut 'contouring'.
The uncommon flexibility of the tone controls was also noted.
Another unique feature is the lack of a tone control on the middle pickup.
I turned the gain higher and changed the tone controls.