Doepfer A-110 Standard VCO

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$94.92 to $225.00 Price Tier: Standard

4.5 (7)

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Page last updated Jul 04, 2026

Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated July 4, 2026.

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$225.00

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5.0 (1)

$94.92 7 available New

$189.00 3 available Used

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4.6 (85)

$151.00 $150.00 $1.00 · All time low

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Average Price: $165

Standard/Professional

$149

$350+

Price Tier

In the Modular Synthesizers category, Doepfer A-110 Standard VCO is priced in the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

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Description

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Dive into the world of modular synthesis with the Doepfer A-110 Standard VCO, a versatile oscillator module for your Eurorack setup. This essential component offers a seamless entry point for both budding synth enthusiasts and seasoned sound designers. Harness the power of four simultaneous waveforms—saw, square, triangle, and sine—each ready to inject rich sonic textures into your compositions.

The A-110-1 stands out with its impressive range of approximately eight octaves, allowing you to explore a vast soundscape. Fine-tune your creations with the intuitive frequency control, which can be manipulated via the range switch, tune controller, or external CV inputs. The module also supports pulse width modulation, granting you further creative freedom to shape and modulate your sound with precision. Whether you're crafting ambient soundscapes or driving basslines, the A-110-1 delivers reliable performance every time.

Crafted to fit seamlessly into your modular setup, this VCO module is the building block you need to expand your sonic horizons. Its compact design ensures it integrates effortlessly, leaving you room to grow your modular ecosystem.

Key Features:

Oscillator module for Eurorack systems
Four simultaneous waveforms: saw, square, triangle, and sine
Approximately eight-octave frequency range
CV inputs for pulse-width and frequency modulation
Compact size: 10 HP width, 55mm depth
Power usage: +90mA (+12V) / -10mA (-12V)

Product specs

Type	VCO
Analog Outputs	4 x 1/8" (sawtooth, square, triangle, sine wave)
Other I/O	Sync, 2 x CV, 2 x Pulse Width CV
Depth	2.16"
HP Size	10HP
Power Usage	90mA, ±12V DC
Power Supply	Requires Eurorack case / power supply

FAQs

What waveforms does the Doepfer A-110-1 Standard VCO produce?: The Doepfer A-110-1 Standard VCO produces four simultaneous waveforms: pulse, sawtooth, triangle, and sine wave, providing a versatile range of sound options for modular synthesis.
Does the Doepfer A-110-1 Standard VCO require a specific power supply?: Yes, the Doepfer A-110-1 Standard VCO requires a Eurorack case with a power supply, utilizing 90mA at ±12V DC.
How does the Doepfer A-110-1 differ from the A-110-2 VCO?: The A-110-1 includes a sine wave output and an octave rotary switch, whereas the A-110-2 lacks these features but adds a linear FM input and a soft sync input.
What is the size of the Doepfer A-110-1 Standard VCO in a Eurorack setup?: The Doepfer A-110-1 occupies 10HP in a Eurorack setup, making it a compact choice for modular synthesizer systems.
Can the Doepfer A-110-1 Standard VCO be used for FM synthesis?: Yes, the Doepfer A-110-1 Standard VCO has two CV inputs that can be used for frequency modulation, allowing for FM synthesis capabilities.

Videos

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Raul's World of Synths

Doepfer A110 VCO Features and Functions Tutorial

Raul's World of Synths

Doepfer A110 VCO - How does it sound?

Studio Toolz

Doepfer A110 VCO /A145 LFO-Pulse Width Modulation

Raul's World of Synths

Doepfer A110 VCO /A145 LFO- More Pulse Width Modulation

Raul's World of Synths

Reviews

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PROS

Offers a wide sound palette
Four wave shapes available for varied synthesis
Stable tuning achieved within 5 minutes
Tracks well with other units, good for hard sync and FM
Warm and punchy analog sound quality
Solid overall construction and easy-to-use controls
Decent audio performance despite being budget-friendly
Ideal for beginners in modular synthesis
Can produce four waveforms simultaneously
Pulse width modulation adds sound depth

CONS

Fine tuning range insufficient for musical intervals
LFO functionality limited due to minimum 15hz cycle
Some waveforms (triangle and saw) sound dull
Jack sockets feel low quality and poorly machined
Square wave is the only waveform with distinct character

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Doepfer A-110 Standard VCO.

Features and functionality

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The A-110 VCO offers more CV inputs and an octave switch, distinguishing it from similar models like the Instruo Tona.
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The A-110 is a sawtooth core oscillator, whereas the Instruo Tona adds a wavefolder to its feature set.
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The A-110's fine-tune knob may not reach the desired pitch with certain input voltages, requiring manual calibration for accurate pitch tracking.
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The factory tuning range of the A-110 is roughly ±2 semitones, intended for fine tuning, but can be expanded significantly with the right modifications.
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User experience

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Some A-110 owners report solid pitch tracking, while others experience issues with tracking over three octaves.
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Emailing Doepfer for technical support can yield detailed modification instructions, showcasing the brand's helpful customer service.
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Comparisons

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A-110 is often compared to the A-111-3, which is praised for its compact size, affordability, and superior sound quality.
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The Mutable Instruments Plaits is recommended as an alternative first oscillator due to its versatility and range of synth engines.
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Use cases and applications

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The A-110 is recommended for beginners seeking straightforward functionality without the complexity of higher-end models.
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Mods and upgrades

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Pairing the A-111-3 with an A-184-2 is suggested to enhance FM possibilities, sync options, and wave shaping capabilities.
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Modifying the Doepfer A-110 by adding a 100k resistor in parallel with R5 increases the tuning range to over one octave.
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Shortening R9 increases the tuning range by a factor of three, allowing more flexibility in pitch adjustments.
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Setup and maintenance

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Earlier versions of the A-110 have a tuning range of roughly ±1 semitone, while later versions extend to ±6 semitones, impacting tuning flexibility.
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Calibration issues can occur if the module is set to play A at 0V input; adjust the trimmer potentiometer P6 for correct tuning.
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Owners recommend using a Doepfer A-183-2 offset generator to tune the A-110 to a perfect fifth, which cannot be achieved with the standard tuning range.
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Software and compatibility

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The Keystep outputs a pitch CV range of 0V to 10V, which may not align with the A-110's expected voltage range, possibly causing tuning discrepancies.
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