DOEPFER Vc Performance Mixer Eurorack Demo Circuit A-135-4A/B

( Brand: Doepfer ), ( Model: A-135-4A/B VC PERFORMANCE MIXER ), ( Type: Modular Synthesizer ), ( Manufacturer Part Number: A-135-4A )

Review DOEPFER A-135-4a/b Vc Performance Mixer Eurorack Demo Perfect Circuit

The Doepfer A-135-4a and A-135-4a/b VC Performance Mixers are versatile and powerful voltage-controlled mixing solutions for Eurorack modular synthesizers. These mixers, designed by the renowned German manufacturer Doepfer Musikelektronik, offer an impressive feature set that caters to both beginners and advanced synthesists.

The core of these mixers is their ability to mix and control up to four audio signals or voltage-controlled sources. Each channel is equipped with a dedicated VCA (Voltage Controlled Amplifier), allowing for precise volume control via CV inputs. This feature opens up a multitude of possibilities, enabling users to create complex and dynamic soundscapes through voltage control.

Both the A-135-4a and A-135-4a/b models share several key features. Each channel boasts a balanced line input, an unbalanced line input, a CV input for volume control, and a mute input. The A-135-4a model features a summed output, while the A-135-4a/b model offers separate outputs for each channel, providing increased routing flexibility.

The A-135-4a/b model also includes an additional global CV input, which can be used to control the overall mix level. This input is particularly useful when working with modular systems that require global volume control. Additionally, the A-135-4a/b model includes a switch for selecting either DC or AC coupling on the line inputs, offering further flexibility for various signal sources.

Both mixers are built with the high-quality standards that Doepfer is known for, ensuring robust and reliable performance. Their compact size, with dimensions of 25 HP, makes them an excellent addition to any Eurorack setup. Furthermore, their user-friendly design, with clear labeling and intuitive controls, makes them accessible to users of all skill levels.

In summary, the Doepfer A-135-4a and A-135-4a/b VC Performance Mixers are essential tools for any Eurorack modular synthesizer setup. Their versatile feature set, high-quality construction, and compact size make them indispensable for creating and manipulating complex audio and voltage-controlled signals.

The Doepfer A-135-4a and A-135-4a/b VC Performance Mixers are popular choices in the Eurorack modular synthesizer community due to their versatility and functionality. Here are some pros and cons that may help you make an informed decision about purchasing one of these mixers.

1. Flexible: The Doepfer A-135-4a and A-135-4a/b offer various modes of operation, including mixing, inverting, attenuating, and panning. This flexibility makes them suitable for a wide range of applications, from simple volume control to complex signal processing.

2. Versatile: These mixers can be used with both DC and AC signals, making them compatible with various Eurorack modules. They also have voltage control inputs, allowing for dynamic control of the mix levels.

3. Durable: Doepfer is known for its high-quality manufacturing standards, and the A-135-4a and A-135-4a/b are no exception. They are built to last and can withstand the rigors of live performance or studio use.

4. Affordable: Compared to some other performance mixers in the Eurorack world, the Doepfer A-135-4a and A-135-4a/b are relatively affordable, making them an excellent value for the features they offer.

1. Size: The Doepfer A-135-4a and A-135-4a/b are larger than some other mixers in their class, which may be a concern for those with limited space in their Eurorack system.

2. Complexity: These mixers offer a lot of functionality, which can be overwhelming for beginners or those who prefer a simpler setup.

3. Power Consumption: The Doepfer A-135-4a and A-135-4a/b consume more power than some other mixers, which may be a concern for those with limited power supplies.

The Doepfer A-135-4a and A-135-4a/b VC Performance Mixers offer a high degree of flexibility, versatility, and durability, making them excellent choices for Eurorack users who require advanced signal processing capabilities. While they may be larger and more complex than some other mixers, their affordability and comprehensive feature set make them worth considering for those who can accommodate their size and power requirements.

If you are looking for a powerful, versatile, and durable performance mixer for your Eurorack system and are willing to accept the size and complexity trade-offs, the Doepfer A-135-4a or A-135-4a/b would be an excellent addition to your setup.

part # a1354a prices

• $156.00-$433.00

specifications synthesasha:

• brand: Doepfer
• model#: A-135-4A/B VC PERFORMANCE MIXER
• type: Modular Synthesizer
• manufacturer part number: A-135-4A

seller synthesasha:

• # reviews: 50371
• rating: 99.6%

general synthesasha:

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

offer synthesasha:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 2
• started: February 25, 2026

returns synthesasha:

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

shipping synthesasha:

• type: Fixed
• transit: 2-6 Days
• class: Standard
• cost: $0.00
• service: Standard

payments synthesasha:

• wallet: Apple-pay
• other
• credit card: Visa

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