The TT-3 Tremolo is a musical instrument effects unit that produces a classical tremolo effect, an amplitude modulation controlled by a sinusoidal low frequency wave.
Speed and depth of the modulation, as well as the output level are continiously adjustable.
The audio path of the TT-3 is completely based on discrete germanium transistor circuitry. Thus, it is not alinear device, and will always add a flavour to the sound, especially at high depth settings.
The unit may be powered from a single 9V battery or a 9V DC external power supply.