H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
H03G9/04—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes
H03G9/06—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control
H03G9/08—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for gain control and tone control incorporating negative feedback
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03G—CONTROL OF AMPLIFICATION
H03G5/00—Tone control or bandwidth control in amplifiers
H03G5/02—Manually-operated control
H03G5/04—Manually-operated control in untuned amplifiers
H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
H03G5/08—Manually-operated control in untuned amplifiers having discharge tubes incorporating negative feedback
Landscapes
Tone Control, Compression And Expansion, Limiting Amplitude
(AREA)