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DOEPFER A-135-1 Vc Mixer Quad Vca Modular Eurorack Demo Circuit

A-135-1 Doepfer Vc Mixer Quad Vca Modular Eurorack - Demo Perfect Circuit

( Brand: Doepfer ), ( Model: A-135-1 VOLTAGE CONTROLLED MIXER / QUAD VCA ), ( Type: Modular Synthesizer ), ( Manufacturer Part Number: A-135-1 )

Review DOEPFER Vc Mixer Quad Vca Modular Eurorack Demo Perfect Circuit

The Doepfer A-135-1 VC Mixer Quad VCA is a versatile and high-performing voltage-controlled mixer and voltage-controlled amplifier (VCA) module designed for use in Eurorack modular synthesizer systems. This module brings together four independent VCA channels, each with its own dedicated mixer section, providing an extensive range of possibilities for sound shaping and mixing.

The core functionality of the A-135-1 lies in its quad VCA channels, which can be used as independent amplifiers or as mixers. Each VCA channel features an input attenuator, allowing for precise level control over the signal that passes through it. Additionally, each VCA channel is equipped with a dedicated volume control, enabling users to adjust the output level of each channel independently.

The mixer section of the A-135-1 is what sets it apart from typical VCA modules. Each VCA channel is accompanied by a three-input mixer, which can be used to blend the input signal with two other signals using the pan pots located at the top of the module. The mixer also includes a master level control, allowing users to adjust the overall output level of the mixed signal.

The A-135-1 is designed with a robust and compact form factor, making it an excellent choice for Eurorack systems where space is at a premium. The module measures 28 HP and features a high-quality, black anodized aluminum front panel that offers a professional and durable appearance.

The Doepfer A-135-1 VC Mixer Quad VCA is an essential module for any modular synthesizer system, providing users with an extensive range of mixing and amplifying capabilities in a compact and versatile package. Whether you're looking to create complex soundscapes or simply mix multiple signals together, the A-135-1 is an excellent investment for your modular setup.

The Doepfer A-135-1 VC Mixer Quad VCA is a versatile and powerful module in the Eurorack modular synthesis system. This module provides four independent voltage-controlled amplifiers (VCAs) with mixer capabilities. Let's examine some of its pros and cons:

Pros:

1. Versatility: The A-135-1 can be used as four separate VCAs or as a mixer for up to four signals. This makes it a very flexible module for a wide range of synthesis tasks.

2. Sound Quality: Doepfer modules are known for their high-quality design and construction. The A-135-1 is no exception, delivering clean and accurate amplification of audio signals.

3. CV Control: The module offers individual CV inputs for each VCA, allowing for fine control over the volume of each signal. This is essential for creating complex and expressive sounds in modular synthesis.

4. Attenuverters: Each VCA also includes attenuverters, which allow for finer control over the volume of the input signals.

5. Mixer Capability: The ability to mix signals through the VCAs is a valuable feature, making it easier to create complex soundscapes and textures.

Cons:

1. Size: The A-135-1 is a larger module, requiring 12 HP of space in your Eurorack case. This may be a consideration for those with limited space.

2. Cost: As with many high-quality Eurorack modules, the A-135-1 can be quite expensive. This may be a barrier for some synthesists on a budget.

3. Complexity: While the A-135-1 is a powerful and versatile module, its features and capabilities can be overwhelming for beginners. It may require some time and experimentation to fully understand and utilize.

In conclusion, the Doepfer A-135-1 VC Mixer Quad VCA is a valuable addition to any modular synthesis setup. Its versatility, sound quality, and CV control make it an essential tool for creating complex and expressive sounds. However, its size, cost, and complexity may be considerations for some synthesists.

Recommendation: If you have the space and budget for a high-quality VCA module with mixer capabilities, the Doepfer A-135-1 is an excellent choice. Its versatility and sound quality make it a valuable investment for any serious modular synthesis setup.

part # a1351 prices

  • $190.00-$296.09

specifications synthesasha:

  • brand: Doepfer
  • model#: A-135-1 VOLTAGE CONTROLLED MIXER / QUAD VCA
  • type: Modular Synthesizer
  • manufacturer part number: A-135-1

general synthesasha:

  • condition: Open box
  • Musical Instruments Gear > Pro Audio Equipment > Synthesizers

seller synthesasha:

  • # reviews: 50024
  • rating: 99.5%

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returns synthesasha:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer
  • method: Money back

shipping synthesasha:

  • type: Fixed
  • service: Standard
  • transit: 4-7 Days
  • cost: $0.00
  • class: Standard

offer synthesasha:

  • quantity: 1
  • sold: 0
  • options: Ship-to-home
  • started: January 9, 2026
  • availability: In Stock
type: modular synthesizer,
category: musical instruments > pro audio equipment > synthesizers, sku: 3183655331229792,

Doepfer A-135-1 Is Similar To:

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5 offers $190.00–$296.09 USD
  • Offer #1: $207.00 price + free delivery = $207.00* total. In "all" mode all four VCAs are mixed together. It is made of 4 independent linear VCA's.FREE SHIPPING
  • Offer #2: $296.09 price + $30.00 delivery = $326.09* total. Key Features. Model: VCA module with SSM2164 chip.+$30.00 shipping
  • Offer #3: $190.00 price + free delivery = $190.00* total. All output: sum of all VCA outputs, regardless of inserted plugs into the VCA outputs. Selected output: the ouput if a VCA is removed from this sum signal when a plug is inserted into the corresponding VCA output.FREE SHIPPING
  • Offer #4: $179.00 price + free delivery = $179.00* total.FREE SHIPPING
  • Offer #5: $187.00 price + free delivery = $187.00* total. It has in addition four single outputs available and can be used as four independent linear VCAs. The VCA's are realized with high-quality CEM VCA's.FREE SHIPPING