Transistorised Audible Metronome

Drumbeat Stimulator Metronome

Audio Visual IC Metronome

Accented Beat Metronome

Guitar Practice Accompaniment Drummer

Bass Booster for Electric Guitar

Treble Boost preamplifier

Presence Boost for Musical Instrument

Connecting Pick-ups to Guitar

Simple Pre-amplifier fo Electric Guitar

Multi Control for Guitarists

and much more...