Doepfer

Doepfer A-139-2 Headphone Amplifier 2

∙ two-channel headphone amplifier

∙ two audio inputs with level controls

∙ Input 1 is normalled to Input 2

∙ common loudness/master level control

∙ headphone output (stereo 1/4"…

Module A-140 is an envelope generator, and, since it puts out control voltages, counts as one of the modulation devices in a modular system. As soon as the gate input receives sufficient voltage, the ADSR generates a variable…

Doepfer A-140v Vintage Edition

Module A-140 is an envelope generator, and, since it puts out control voltages, counts as one of the modulation devices in a modular system. As soon as the gate input receives sufficient voltage,…

Doepfer A-140-2 Dual Micro ADSR

Module A-140-2 contains two ADSR type envelope generators behind a front panel with 8 HP only.Each ADSR provides these controls and in/outputs:∙ LED (displays the envelope output)
∙ A: manual…

Doepfer A-140-2V Vintage black

Module A-140-2 contains two ADSR type envelope generators behind a front panel with 8 HP only.

Each ADSR provides these controls and in/outputs:

∙ LED (displays the envelope output)
∙ A:…

Module A-141-2 is the successor of the obsolete former VCADSR module A-141. Compared to the A-141 a lot of improvements and expansions have been added:
common control voltage input for all time parameters (A/D/R), range switch for…

Doepfer A-141-2v VCADSR / VCLFO Vintage Edition

Module A-141-2 is the successor of the obsolete former VCADSR module A-141.

Compared to the A-141 a lot of improvements and expansions have been added: common control voltage input…

Doepfer A-141-4 Quad VCADSR

A-141-4 is a quad voltage controlled Envelope generator and is primarily planned for polyphonic applications. The module contains four ADSR type voltage controlled envelope generators with common…

(In Doepfer Bag, no box)

Module A-142-1 is a voltage controlled envelope generator. The only time parameter is decay (like TB303). Decay may be adjustes manual and via voltage control input (with attenuator). The envelope output…

Doepfer A-142-2 Dual Envelope Controlled VCA

Module A-142-2 contains two envelope controlled VCAs behind a front panel with 8 HP only. Each of the two sub-units is the combination of a simple AD/ADSR/AR envelope generator and a…

(In Doepfer Bag, no box)

Module A-142-4 contains four simple envelope generators. The only time parameter is Decay and can be adjusted manuall by means of the Dec. control in the range 2 ms ... 2 seconds. The attack time can be…

Overview: Module A-143-1 is a complex envelope generator that consists of Attack/Decay generators. For the complex envelope generator the four units are daisy-chained, i.e. the preceeding unit triggers the following unit. The four…

The A-143 series of modules contain multiple modulation sources. Module A-143-2 is a four-fold ADSR type envelope generator. Other modules of this series are the Complex Envelope Generator A-143-1 (Quad AD) and the Quad LFO…

Module A-143-4 is a fourfold voltage controlled low frequency oscillator (LFO). As the frequency range includes moderate audio frequencies it can be used as a four-fold VCO too.

∙ four independent VCLFOs/VCOs with triangle…

Module A-143-9 is a derivative of our planned thru-zero quadrature VCO. It is a voltage controlled sine LFO with 4 outputs. The phase shift between the outputs is 90 degrees. The sine shifted by 90 degrees is also called cosine,…

Module A-145 is a low frequency oscillator, which produces cyclical control voltages in a very wide range of frequencies. Five waveforms are available: sawtooth, inverted sawtooth, triangle, sine and square wave.
The LFO can be…

DOEPFER A-145-4 MICRO LFOModule A-145-4 is a simple quad LFO (Low Frequency Oscillator). Not a very "exciting" module, just a bread-and-butter device and a simple demon for work. Virtually in every modular system several LFOs are…

DOEPFER A-145-4 MICRO LFO VINTAGE EDITIONModule A-145-4 is a simple quad LFO (Low Frequency Oscillator). Not a very "exciting" module, just a bread-and-butter device and a simple demon for work. Virtually in every modular system…

(In Doepfer Bag, no box)

Module A-146 (LFO 2) is a Low Frequency Oscillator, which produces periodic control voltages over a wide range of frequencies.
The LFO can be used as a modulation source for a series of modules (for…

Doepfer A-147-2 Voltage Controlled Delayed Low Frequency Oscillator / VCDLFO

Module A-147-2 is the successor of the VCLFO A-147 but offers much more features than the predecessor. The module is made of these sub-units:

∙…

(In Doepfer Bag, no box)

Doepfer A-147-2V (vintage black edition) Voltage Controlled Delayed Low Frequency Oscillator / VCDLFO

Module A-147-2 is the successor of the VCLFO A-147 but offers much more features than the…

Doepfer A-147-2 Special Edition red

Module A-147-2 is the successor of the VCLFO A-147 but offers much more features than the predecessor. The module is made of three sub-units: VC-LFO, VCA and VC-delay.

The voltage controlled…

Doepfer A-147-4 Dual VCLFO

Module A-147-4 is a dual voltage controlled LFO (Low Frequency Oscillator). Each LFO has the five waveforms triangle, sine, rising and falling sawtooth, as well as rectangle available. The rectangle…

Doepfer A-147-4V Dual VCLFO Black

Module A-147-4 is a dual voltage controlled LFO (Low Frequency Oscillator). Each LFO has the five waveforms triangle, sine, rising and falling sawtooth, as well as rectangle available. The…

Doepfer A-147-5 Quad VCLFO

Module A-147-5 contains four voltage controlled low frequency oscillators (VCLFO) with triangle waveform outputs. All LFOs share a common frequency control. Each of the LFOs 2, 3 features a Delta…

Doepfer A-147-5 Quad VCLFO (black)

Module A-147-5 contains four voltage controlled low frequency oscillators (VCLFO) with triangle waveform outputs. All LFOs share a common frequency control. Each of the LFOs 2, 3 features a…

Module A-148 (Dual S&H) has two identical sample & hold modules, designed to produce 'staircase' voltages. The signal present at the sample input is sampled at a rate set by the signal at the trigger input, and held at that…

Doepfer A-148v Dual Sample&Hold / Track&Hold (black vintage editon)

Module A-148 (Dual S/H) has two identical sample and hold modules, designed to produce 'staircase' voltages.

The signal present at the sample input is sampled…

Module A-149-1 is the first module of the A-149-x range. In this group we present by popular request several functions of Don Buchla's "Source of Uncertainty 265/266" (SOU) modules that cannot be realized with existing A-100…

A-149-2 is an extension module for A-149-1. It makes available 8 digital random voltages (i.e. only low/high states like a gate signal). The outputs are controlled by the "Quantized Random Voltages" section of the assigned A-149-1…

Doepfer A-149-4 Quad Random Voltage Source

Module A-149-4 generates four triggered random voltages which meet the criteria choosen by several controls.

Manual controls for the criteria selection:

Octave range (manual control…

Module A-150 (Dual VCS) contains two separate voltage-controlled switches.

Each switch has a control voltage input, a common Out / Input, and two In / Outputs. The switches are bi-directional: they can work in both directions, so…

Module A-150V Vintage black (Dual VCS) contains two separate voltage-controlled switches.

Each switch has a control voltage input, a common Out / Input, and two In / Outputs. The switches are bi-directional: they can work in both…

Doepfer A-150-8 Octal Manual/VC Switch

Doepfer A-150-8 Octal Manual/Voltage Controlled Programmable Switches

Module A-150-8 contains eight manually/voltage controlled switches. Each of the eight switches has a manual control…

Module A-151 (Quad Sequential Switch) is like an electronic four-position rotary switch.
It includes trigger and reset inputs, four in / outputs, and a common out / input. Each time a pulse is received at the trigger input socket,…

Module A-151V Vintage black (Quad Sequential Switch) is like an electronic four-position rotary switch.
It includes trigger and reset inputs, four in / outputs, and a common out / input. Each time a pulse is received at the…

Module A152 is a very useful switching and T&H module. It combines a voltage addressed 1-to-8 multiplexer and 8 fold T&H that can be used as kind of an analog shift register too. The active in/output is displayed by a LED. The…

Module A-154 is a supplement to the A-155 Analog/Trigger Sequencer module. It offers a lot of new features that are not available in the basic control unit of the A-155. The A-154 is used to replace the control unit of one or two…

(In Doepfer Bag, no box)

Doepfer A-154v Sequencer Controller (vintage black edition)

Module A-154 is a supplement to the A-155 Analog/Trigger Sequencer module. It offers a lot of new features that are not available in the basic…

(In Doepfer Bag, no box)

Analog and Trigger Sequencer, 2 rows of 8 steps with knobs and 2 rows of 8 steps switches

Features of the analog rows (knobs):

∙ 8 potentiometers (knobs)
∙ lower row: Scale (knob), voltage output…

(In Doepfer Bag, no box)

Doepfer A-155v (black vintage edition)

Analog and Trigger Sequencer, 2 rows of 8 steps with knobs and 2 rows of 8 steps switches

Features of the analog rows (knobs):

∙ 8 potentiometers (knobs)
∙…

Module A-156 is a Dual Control Voltage Quantizer. A quantizer converts a continous control voltage in the range 0...+10V into a stepped output voltage in the same voltage range (i.e. only certain voltages occur). Normally 1/12 V…

Doepfer A-156V Dual Quantizer Vintage Edition (black)

Module A-156 is a Dual Control Voltage Quantizer.

A quantizer converts a continous control voltage in the range 0...+10V into a stepped output voltage in the same voltage…

Doepfer A-157- 1/2/3 Trigger Sequencer

A-157 is a trigger sequencer subsystem that is used to generate up to eight trigger signals controlled by a 8x16 LED/button matrix (some customers call it "Miniature Schaltwerk" as it is…

Module A-160 is a frequency divider for clock/trigger/gate signals, designed to be a source of lower frequencies, particularly for rhythm uses. The Trigger input will take clock signals from, eg., an LFO, MIDI sync, or the gate…

Module A-161 is an eight-step Clock Sequencer which is internally connected to the Clock Divider (A-160). Eight outputs are sequentially switched by the clock signals from the A-160 (see Fig. 1) and can act, for instance, as…

(In Doepfer Bag, no box)

Module A-161 is an eight-step Clock Sequencer which is internally connected to the Clock Divider (A-160). Eight outputs are sequentially switched by the clock signals from the A-160 (see Fig. 1) and can…

Doepfer A-160-2 Clock Divider II (expected in June 2015)

Module A-160-2 is an enhanced version of the standard clock divider A-160. The module is a frequency divider for clock/trigger/gate signals, designed to be a source of…

Doepfer A-160-2V Clock Divider II

Module A-160-2V is an enhanced version of the standard clock divider A-160. The module is a frequency divider for clock/trigger/gate signals, designed to be a source of lower frequencies,…

Doepfer A-160-5 Clock Mult. / Racheting Contr.

Module A-160-5 is a voltage controlled clock multiplier. The incoming clock signal (socket Clock In) is multiplied by a factor that depends upon the control voltage on socket CV In…

(In Doepfer Bag, no box)

Doepfer A-160-5 Vintage Edition

Module A-160-5 is a voltage controlled clock multiplier. The incoming clock signal (socket Clock In) is multiplied by a factor that depends upon the control voltage on…

Module A-162 contains two identical circuits that generate a trigger signal with adjustable delay and lenght from an incoming rectangle signal (e.g. gate, trigger, rectangle output of an LFO or VCO). The rising edge of the…

Dual logic module with 3 inputs for each unit. The logical states of the inputs ("1" = high / "0" = low) are linked together in 3 ways: AND, OR, EXOR (exclusive OR). The three functions are available simultaneously at three…

Doepfer A-165-2 Digital Modifiers

Module A-165-2 includes six modification circuits for digital signals (clock, gate, trigger, start, stop etc.) which are derived from the two input signals Input 1 und 2:

∙ inverted signal of…

Doepfer A-168-1 PWM Module

Module A-168-1 is a pulsewidth modulation generator (PWM Module). It derives a rectangle signal with adjustable pulsewidth from an external triangle, sawtooth or sine wave. The external signal can be an…

Module A-170 contains two separate slew limiters, also known as portamento controllers or integrators. The first SL has just one joint control, which sets both rise and fall times (c. 0 ...10 sec). The second SL has separate…

(In Doepfer Bag, no box)

Doepfer A-170V Dual Slew Limiter (vintage black edition)

Module A-170 contains two separate slew limiters, also known as portamento controllers or integrators. The first SL has just one joint control,…

Module A-171-2 is a voltage controlled slew limiter with a lot of additional features beyond a simple slew limiter. It's mostly a licensed copy of Ken Stones VCS which is in turn based on the Serge VCS.

These are the most…

Module A-171-2V (vintage black) is a voltage controlled slew limiter with a lot of additional features beyond a simple slew limiter. It's mostly a licensed copy of Ken Stones VCS which is in turn based on the Serge VCS.

These are…

Doepfer A-171-4 Quad VC Slew Limited

Module A-171-4 is a fourfold voltage controlled slew limiter. It's intended purpose is polyphonic portamento but can be used also for other applications where several slew limiters are…

Doepfer A-173-1/2 Micro Keyboard (2 modules)

A-173-1/2 is a module combo that is used to generate a manually controlled 1V/Octave CV signal and up to 15 manually controlled gate/trigger signals. Typical applications are the…

Module A-174 modules outputs 2 control voltages generated by a spring-loaded X/Y cross potentiometer (so-called joy stick). For each output the voltage offset (zero setting) can be adjusted. Each output is equipped with 2 LEDs for…

A-174-2 is a modulation wheel module with two wheels. The factory setting is a spring loaded wheel at the left side with bipolar voltage output (i.e. 0V in center position, positive voltage in the upper range, negative voltage in…

DOEPFER A-174-4 3D JOYSTICK Module A-174-4 outputs three control voltages generated by a spring-loaded X/Y cross potentiometer (so-called joy stick) and a Gate signal. The control voltages for X and Y are controlled by the X and Y…

Doepfer A-174-4v Joystick II

Module A-174-4 generates several control voltages and a gate signal controlled by a spring-loaded X/Y cross potentiometer (so-called joy stick). The control voltages for X and Y are controlled by the…

Module A-176 (Control Voltage Source) provides three voltage sources, to use wherever an extra CV is required. The top two voltage sources (CV 1 and CV 2) have controls for coarse and fine control of the voltage output; the third…

Economically priced module for connecting one foot controller and one double foot switch for control A-100 functions by means of the feet. For example the frequency of a filter or the loudness can be controlled by a foot…

Theremin module for generating a variable control voltage by approaching/removing hand to/from an antenna. The distance range is about 30 cm. Additionally the module is equipped with a Gate output with adjustable threshold level.…

Doepfer A-178V Theremin Control Voltage Source (black)

Theremin module for generating a variable control voltage by approaching/removing hand to/from an antenna. The distance range is about 30 cm. Additionally the module is…

Doepfer A-179-2

Module A-179-2 can be used to convert different illumination intensities into corresponding analog voltages and a gate signal derived from the analog voltage. It's the successor of the obsolete module A-179.
A…

Modules A-180-1 and A-180-2 are simple multi-connectors. They have eight inter-connected sockets, so that you can "multiply" any audio or control signal. From the factory the modules come as two four-fold multiples. But they can…

Modules A-180-1 and A-180-2 are simple multi-connectors. They have eight inter-connected sockets, so that you can "multiply" any audio or control signal. From the factory the modules come as two four-fold multiples. But they can…

(In Doepfer Bag, no box)

Doepfer A-180-2V (vintage black edition)

Modules A-180-1 and A-180-2 are simple multi-connectors. They have eight inter-connected sockets, so that you can "multiply" any audio or control signal. From the…

(In Doepfer Bag, no box)

Doepfer A-180-3 Dual Buffered Multiple

Module A-180-3 is a dual buffered 1-in-3 multiple. The signal applied to the input socker appears as a buffered signal at the three output sockets. Each output has…

Doepfer A-180-4 Quad Buffer

Module A-180-4 is a fourfold CV buffer. Buffers are required if the control voltage coming from a CV source shows a voltage drop in case of changing loads or due to other reasons a buffering is…

Doepfer A-180-9 Multicore

A-180-9 is another simple but useful tool. It can be used to connect up to 14 signals between different cases by means of standard network cables (RJ45). These cables are available all over world…

Two multiples with one 1/4 jack socket and two 3.5mm jack sockets each, upper multiple is wired monophonic, lower is wired stereophonic.

For more detailed information please look at the English user's guide: A181_man.pdf

Width:…

DOEPFER A-182-2 QUAD SWITCHESA-182-2 is a simple passive module that contains four changeover switches, which are used to connect or disconnect the sockets of the corresponding socket triplet:

∙ in the upper position of the…

Doepfer A-182-4 Dual Rotary Switches

Module A-182-4 is a simple passive module that contains two mechanical rotary switches with 4 positions each. According to the position of the control knob socket 1, 2, 3 or 4 is connected to…

Module A-183-1 is a simple passive dual attenuator. Passive means, that each unit is made of two sockets and a 50k linear potentiometer only. There are no active parts like amplifiers or buffers and no power supply is…

Module A-183-2 is a simple voltage offset generator combined with an attenuator/polarizer for the CV input. The function is similar to the vocoder slew-limiter module A-129-3. But the A-183-2 has only one channel available and…

(In Doepfer Bag, no box)

Module A-183-3 is a simple amplifier. It is DC coupled and can be used for both CV and audio signals. The maximal amplification can be switched between 1, 2 and 4 (in position 1 the module does not work…

DOEPFER A-183-4 QUAD LEVEL SHIFTERModule A-183-4 is a fourfold level shifter. A level shifter is required if the level of a digital control signal has to be increased or decreased. A typical application is the conversion of a…

Doepfer A-183-5 Quad Attenuator

Module A-183-5 is a simple passive quad attenuator. Passive means in this context, that each unit is made of two sockets and a 50k linear potentiometer only. There are no active parts like…

Doepfer A-183-9 Quad USB Power Supply

Module A-183-9 is a simple power supply for up to four devices which can be powered via USB (e.g. keyboards, smartphones). An LED shows is the +5V are present.
The module has no USB function…

Doepfer A-184-1 Ring Modulator/S&H/T&H/Slew Limiter

A-184-1 is the combination of three functions which are actually already available in other modules (e.g. A-114, A-148, A-170). But in many systems it's not necessary to have…

Doepfer A-184-2 VC CF and Triangle to Sine Wave Shaper

The A-184-2 contains two independent circuits. On one hand there's a curve converter which forms a triangle into a nealy perfect sine; pretty handy as an oscillator expancer…

Module A-185-2 is a precision control voltage adder/buffer. Precision means that the amplification of the inputs without attenuators is exactly 1.00 and is suitable to add control voltages for the pitch control of VCOs (e.g. from…

Doepfer A-185-2V Precision CV Adder (vintage black)

Module A-185-2 is a precision control voltage adder/buffer. Precision means that the amplification of the inputs without attenuators is exactly 1.00 and is suitable to add…

Module A-186 is a very simple, passive unit that combines up to 7 gate, trigger or analog signals by or-wiring.

Function:

∙ if all seven inputs are low or open the output is low

∙ if one or more of the seven inputs is…

(In Doepfer Bag, no box)

Doepfer A-188-1A Vintage Edition BBD 512 Stages

Module A-188-1 is a so-called Bucket Brigade Device module.

BBDs have been used to delay audio signals before digital delays dethroned the BBD based…

(In Doepfer Bag, no box)

Doepfer A-188-1X Vintage Edition BBD 128 Stages

Module A-188-1 is a so-called Bucket Brigade Device module.

BBDs have been used to delay audio signals before digital delays dethroned the BBD based…

Module A-189-1 is a voltage controlled bit modifier. It offers several voltage controlled algorithmic functions like voltage controlled bit crunching, bit shifting (with/without carry over), bit exchange, rectifying, absolute…

Module A-190-3 is a Midi/USB-to-CV/Gate interface that allows the integration of the A-100 system into a USB or Midi environment. It has available 4 analog control voltage outputs (CV1...4) and one Gate output. A-190-3 is the…

Doepfer A-190-3V Black vintage midi interface

Module A-190-3 is a Midi/USB-to-CV/Gate interface that allows the integration of the A-100 system into a USB or Midi environment. It has available 4 analog control voltage outputs…

A-190-4 is the replacement for module A-190-1 which is no longer avaiulable. The functions of A-190-1 and A-190-4 are nearly the same (Midi In, Midi Out, CV1, CV2, Gate, Clock, Reset). But the operation of the A-190-4 has been…

Doepfer A-190-5 Polyphonic USB/Midi-to-CV/Gate Interface

Module A-190-5 is a four voice Midi/USB to CV/Gate interface. For each voice a pitch control voltage (CV1, 1V/octave standard to control VCOs), a gate output (to control…

Doepfer A-190-8 USB/Midi-to-Sync Interface

Module A-190-8 is a Midi/USB to Sync interface. The main application of the module is the control of clocked A-100 modules like sequencers (A-155), sequencer controllers (A-154), trigger…

Module A-192-2 contains two independent CV/Gate-to-Midi/USB interfaces. For each of the two sub-units these inputs are available:

∙ Gate Input (min. +5V)

∙ CVN Input (defines the Midi note number), 1V/octave standard, range…

Module A-196 contains a so-called phase locked loop (PLL). The basic PLL system is shown in the sketch at the bottom of this page. A PLL consists of three parts: voltage-controlled oscillator (VCO), phase comparator (PC), and…

Doepfer A-197-3 RGB LED Controller

Module A-197-3 is a control unit for RGB LED stripes.

The LED stripe is glued e.g. to the inner edges of the cases A-100P6/P9/PMS6/PMS9/PMS12 to illuminate the modules and patching statically…

Width (module): 8 TE / 8 HP / 40.3 mm

Depth (module): 40 mm

Current (module + manual): 40 mA

Module A-198 is a Trautonium Manual resp. Ribbon Controller. The controlling element of the A-198 is a linear position sensor (length about 50 cm) that has available a pressure sensor too.

Touching the sensor with a finger…

Module A-199 is a spring reverb module. The reverb effect is electronically simulated by means of 3 spiral springs. Spring reverb systems have a very characteristic sound that is based on the (insufficient) mechanical properties…

Doepfer A-199 Spring Reverb Vintage Edition

Module A-199 is a spring reverb module.

The reverb effect is electronically simulated by means of 3 spiral springs.

Spring reverb systems have a very characteristic sound that is…

M3 Nylon Washers to protect your modules from screw scratches.

Bag with 20 pieces

Bag with 20 M3x6 Silver screws for mounting your modules

Doepfer A-100KMG Knob magenta (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100KGN knob green (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100KBR knob brown (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100KBL knob blue (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Match your Doepfer Knobs to other systems!

Doepfer A-100KRD knob red (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Match you Doepfer modules to other systems

Doepfer A-100KOR knob orange (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100KYE knob yellow ( black stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100KBK Knob black (white stripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100KWH Knob white (blackstripe)

Rotary Knobs, diameter 15 mm, height 15 mm, for 6 mm axis with 18 teeth, in different colors

Doepfer A-100kv (vintage knob, black)

A-100KV, same knob as used in the modules of the Vintage Edition (e.g. A-110-2), black body with 2 white dots and metal disk at the top side

Knob black glossy with silver-metallic coverplate…

Doepfer A-100LC1V Low Cost Case Vintage Vers. 100-240V

The A-100LC1V is very similar to the A-100LC3v but offers only 48 HP for installation of modules. A-100LC3v is equipped with the power supply A-100SSB.
The case is made of…

Doepfer A-100LCBv Low Cost Base with PSU3 Vintage Edition

Two rows with 84 HP for installation of modules

Same as the A-100LCBsw case but painted vintage black like the A-100 Minicase black

The A-100 Low Cost Base has the same…