The A-100 Basic System 2 is a reliable starting point for working with the A-100.

Following modules are included:

• 1 x MIDI-Interface A-190-4
• 2 x Standard-VCO A-110 
• 1 x Ringmodulator A-114 
• 1 x Audio-Divider A-115 
• 1 x VC Waveform-Processor A-116 
• 1 x Noise/Random A-118 
• 1 x VCF1 A-120 (24dB Tiefpass 1) 
• 1 x A-106-6 XP Filter 
• 1 x linearer VCA A-130 
• 1 x logarithmischer VCA A-131 
• 1 x linearer Mixer A-138a 
• 1 x logarithmischer Mixer A-138b 
• 2 x ADSR A-140 
• 1 x LFO A-145 
• 1 x Variable Waveform LFO A-146 
• 1 x Dual-S/H A-148 
• 1 x Trigger-Teiler A-160 
• 1 x Trigger-Sequencer A-161 
• 1 x Dual Slew Limiter A-170
• 1 x Multiple I A-180

The modules of Basic System 2 are assembled in a 6U frame with built in power supply and bus boards.