Korg A3

Everything work fine, but one corner of the LCD screen glass is crack.

41 effects onboard the A3 as standard. Of these, six can be used at any one time, subject to the 20 preset chains, or effect connection patterns, which exist for each of 100 memory patches. This is like having 100 sets of 20 footpedals, each with different settings. The effects fall into certain groupings, each of which have suitable parameters. The most significant of these have been picked out below.

The A3's control parameters break down as follows: Reverb group offers two each of Room, Hall and Plate reverb groups having decay times of up to five seconds, pre-delay, high frequency damping, EQ (two-band); Distortion (four types, with drive and a single-band parametric EQ with contour "Q" shape); Delay has three separate groups - Mono, Stereo (including cross-pan) and Modulation, each of which have delay time and feedback, with the latter having LEO controls; Modulation has two each of Chorus and Flange, the difference being the type of LFO generator (sine wave/triangle) with similar controls to the previous group; Early Reflection is essentially gated reverb, again with two-band EQ; Speaker Simulation attempts to copy the driving of a loudspeaker and has three different types with emphasis presets for mid and high; Pan moves the signal between the stereo outputs and Phaser uses phase inversion of the signal with two types of each, again dependent on the choice of LFO. The final effects only have a single type with settings normally attributable to the particular effect - Compressor, Parametric EQ (two-band with Q), Pitch Shift (PL/MI 1 semitone), Exciter, Ensemble (strong choral effect), Rotary Speaker, 3-band EQ (no Q), Pedal Pan and Wah via the volume pedal and Gate).