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Behringer 000-ESR04-00010 System 35 Eurorack Synthesizer — main product image
Behringer

Behringer 000-ESR04-00010 System 35 Eurorack Synthesizer

Unleash the Sonic Architect WithinIntroducing the Behringer System 35, a complete Eurorack modular synthesizer designed to empower your creative expression. This comprehensive system includes 25 modules, a MIDI-to-CV converter, and a Eurorack Go case, providing everything you need to start crafti...

$845.25*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Unleash the Sonic Architect Within

Introducing the Behringer System 35, a complete Eurorack modular synthesizer designed to empower your creative expression. This comprehensive system includes 25 modules, a MIDI-to-CV converter, and a Eurorack Go case, providing everything you need to start crafting unique and innovative sounds.

  • Complete Eurorack Modular Synthesizer: A self-contained system with 25 individual modules.
  • MIDI-to-CV Converter: Seamlessly integrates with your MIDI devices for enhanced control.
  • Eurorack Go Case: Provides a portable and organized housing for your modules.

Key Features

Pre-assembled ”System 35“ modular synthesizer with 25 vintage-sounding modules from the ’70s

2x 921A OSCILLATOR DRIVER with 4x 921B VCOs and 1x 921 VCO provide you with 5 fully featured voices

1x 914 FIXED FILTER BANK with 12 active bandpass filters ranging from 125 Hz - 5.6 kHz and LP/HP filters

1x 923 FILTERS modules with 6 dB low and high pass filters and white/pink noise sources

1x 904B VOLTAGE CONTROLLED HIGH PASS FILTER and 1x 904A VOLTAGE CONTROLLED LOW PASS FILTER

Specifications

Synthesizer Type
Modular Synthesizer
Format
Eurorack
Number of Modules
25 (vintage-sounding)
Voice Modules
2x 921A OSCILLATOR DRIVER, 4x 921B VCOs, 1x 921 VCO (5 voices total)
Filter Bank
1x 914 FIXED FILTER BANK (12 active bandpass filters 125 Hz - 5.6 kHz, LP/HP filters)
Filter Module 1
1x 923 FILTERS (6 dB low/high pass filters, white/pink noise sources)
Filter Module 2
1x 904B VOLTAGE CONTROLLED HIGH PASS FILTER
Filter Module 3
1x 904A VOLTAGE CONTROLLED LOW PASS FILTER

Pros & Cons

👍 Pros

  • Pre-assembled with 25 vintage-sounding modules from the ’70s, offering classic synthesis capabilities.
  • Includes 5 fully featured voices through 2x 921A OSCILLATOR DRIVER, 4x 921B VCOs, and 1x 921 VCO.
  • Features a 914 FIXED FILTER BANK with 12 active bandpass filters (125 Hz - 5.6 kHz) and LP/HP filters for extensive sound shaping.
  • Incorporates a 923 FILTERS module with 6 dB low and high pass filters, plus white/pink noise sources for diverse textures.
  • Equipped with both 904B VOLTAGE CONTROLLED HIGH PASS FILTER and 904A VOLTAGE CONTROLLED LOW PASS FILTER for dynamic spectral control.
  • Designed in the Eurorack format, allowing for potential expansion with other compatible modules.

👎 Cons

  • As a pre-assembled system, customization options for the included modules might be limited without further purchases.
  • The vintage-sounding modules may not appeal to users seeking modern, digital, or highly pristine synthesis tones.
  • A Eurorack system requires a significant learning curve for beginners due to its modular nature and patch cable routing.
  • The mention of "25 vintage-sounding modules" without a full list means some specific module details are not readily apparent.
  • The system's size and complexity might require considerable space and dedicated setup for optimal use.

Frequently Asked Questions

The Behringer System 35 is built with 25 vintage-sounding modules from the '70s, designed to deliver classic analog synthesis tones.
This system provides 5 fully featured voices, thanks to its configuration of 2x 921A OSCILLATOR DRIVER, 4x 921B VCOs, and 1x 921 VCO.
It features a 914 FIXED FILTER BANK with 12 active bandpass filters, a 923 FILTERS module with 6 dB low and high pass filters, and both 904B and 904A VOLTAGE CONTROLLED HIGH/LOW PASS FILTERS.
Yes, the 923 FILTERS module within the Behringer System 35 includes both white and pink noise sources for sound generation.
Being a Eurorack modular synthesizer, it generally allows for expansion with other compatible Eurorack modules, although this product is sold as a pre-assembled system.
The 914 Fixed Filter Bank includes 12 active bandpass filters ranging from 125 Hz to 5.6 kHz.

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