The story
Founded by Dieter Döpfer in 1992.1
1979 Voltage controlled phaser module for the German Formant modular synthesizer
1980 PMS Polyphonic modular system (quad-modules, like quad-VCO, quad-VCF...)
1982 Voice modular system (one synthesizer voice with 2 VCOs, 2ADSR, 1VCF, 1VCA on one board 100x160mm, designed with CEM chips from Doug Curtis/USA)
1984 Sound Sampler (8 bit voltage controlled sampler with interface and sampling software for Commodore 64)
1985 Loop option, compander and synthesis software for sound sampler (FM, Fourier, Waveshaping and so on)
1986 MCV1 MIDI-to-CV interface (first version)
1987 CCM Computer-controlled audio mixing console with computer-controlled faders (VCAs) and filters (VCFs), interface and software for Commodore 64 and Atari ST
1989
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LMK1 simple MIDI master keyboard
MMK2 MIDI keyboard (e.g. used by Kraftwerk live for the Pocket Calculator song)
MKC1/2 MIDI master keyboard controller (for combination with LMK1)
1990
LMK3 MIDI master keyboard with piano touch simulation
LMK1V2 MIDI master keyboard (improved version of LMK1)
SX-16 16 voice MIDI expander
MBP1 MIDI Bass pedal
DMC-8 Drum to MIDI converter
MONA universal MIDI out interface
1991
K2B 2 manual MIDI keyboard
MPC128 MIDI program change unit
MTG128 MIDI-to-Gate interface with up to 128 Gate outputs controlled via MIDI
MTS128 MIDI-to-Switch interface with up to 128 MIDI controlled electronic switches (e.g. as MIDI-In interface for any non-MIDI-keyboard)
1992
LMK1+/LMK2+/LMK4+ MIDI master keyboard series with real hammer mechanics
GMX-1 GM compatible MIDI expander
MAQ16/3 MIDI analog sequencer (designed in cooperation with Kraftwerk)
1993
MIDIM8 MIDI controller dimmer pack with 8 power outputs
MTP8 MIDI switch-pack with 8 power outputs
MVP1 MIDI volume foot controller
1994
LMK4+ MIDI master keyboard top model
MOGLI MIDI glove
MEG universal MIDI event generator
MTR128 MIDI to relays interface to control up to 128 relays via MIDI note on/off
MSY1 MIDI-to-SYNC interface
1995
MS-404 monophonic analog MIDI synthesizer
TMK2 2 manual MIDI master keyboard
A-100 analog modular system
1997
Schaltwerk MIDI pattern sequencer
MCV4 MIDI-to-CV interface
MSY2 MIDI-to-SYNC interface
1998
Regelwerk MIDI fader box and pattern/analog sequencer
PK88 MIDI Keyboard (control keyboard especially for piano expanders)
MCV24 MIDI-to-CV/Gate interface (24 CV/Gate outputs)
c.1999 Drehbank MIDI controller
c.2000 Pocket Control MIDI controller
2006
Thru-Zero Quadrature VCO
30/60dB Switched Capacitor Filter
A-100 Keyboard/Sequencer
2010 Dark Energy Mono Synth
2011 Dark Time Analog Sequencer
2012 Dark Energy II Mono Synth
From Wikipedia’s article on Doepfer, shared under CC BY-SA 4.0.3