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Behringer TD-3-MO-BK

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How Woodbrass rates it

Expanded version of the TD-3 with many new features. Modded Out" analog bassline synthesizer with VCO, MIDI controllable VCF and sub-harmonic oscillator.

Description

Essential Information About the Behringer TD-3-MO-AM Synthesizer

  • Analog "modded-out" acid bass inspired by the most sought-after modifications around the 303 sound.
  • 100% analog signal path with VCO, VCF, and VCA featuring a vintage character, designed for punchy basses and aggressive leads.
  • 16-step sequencer with fun and fast programming, plus an arpeggiator to generate hypnotic patterns.
  • Poly Chain up to 16 voices and generous CV/Gate patchbay to expand your setup in the studio or live.

A Modern Tribute to the "Modified 303" Legend

Shortly after the emergence of the most iconic bass lines, the community quickly realized that an already legendary machine could go even further thanks to hardware modifications adding new playing and sculpting possibilities. The Behringer TD-3-MO-AM captures this "mod" spirit in an accessible format, preserving the DNA of monophonic analog synthesis while adding features designed for modern production.

Who Is It For, and In Which Styles?

The TD-3-MO-AM is aimed at beginner to advanced musicians who want a true analog bass instrument that is immediate yet capable of going very far. It excels in techno, acid, electro, EDM, synth-pop, and wave, but is equally comfortable for grittier textures in sound design, percussive sequences, or bass lines that saturate a mix. On stage, its front panel controls invite performance (accent, slide, filter sweeps); in the studio, its CV/Gate connectivity and MIDI/USB integration fit easily into a hybrid workflow.

Features and Innovations

Based on a subtractive analog architecture, the TD-3-MO-AM combines a VCO with sawtooth and square waveforms, a 4-pole resonant low-pass VCF, and a VCA with vintage-style behavior. The cutoff, resonance, envelope, decay, and accent controls allow you to shift from a round, elastic acid sound to more biting attacks. The Sub Oscillator adds an extra octave to thicken the low end, while the overdrive and Muffler circuit provide post-VCA distortion with a solid bass response.

For performance, you benefit from a 16-step sequencer (7 tracks) with pattern saving and recall, and an arpeggiator for creating quick variations. The "mod" functions enhance expressiveness: filter control via MIDI CC, extended range Slide Time, Sweep Speed modes (slow, normal, fast), Accent Sweep with high resonance mode, Filter FM (filter frequency modulation from the VCA audio output), Soft Attack, and dedicated settings for accented and non-accented note behavior. Finally, the 16-voice Poly Chain allows stacking multiple units to build evolving polyphony, and the panel offers 15 controls and 33 switches for immediate hands-on control.

Technical Specifications

Synthesizer Architecture

  • Number of voices: monophonic
  • Type: analog
  • Oscillators: 1
  • VCF: 1 low-pass
  • Envelopes: 1

Connectivity

  • Power input: DC input connector
  • Power switch: push-button on/off
  • MIDI input/output: MIDI in and out, 5-pin DIN
  • USB (MIDI): USB 2.0, type B
  • Outputs: line output: 1/4" TRS, unbalanced, max. +8 dBu
  • Output impedance: 1.5 k ohms
  • Headphone jack: 3.5 mm TRS, max. 50 mW/32 ohms (1 kHz, 1% THD)
  • Headphone output impedance: 15 ohms

USB

  • Type: USB 2.0 compliant, type B
  • Supported operating systems: Windows 7 or higher, Mac OS X 10.6.8 or higher

Inputs (CV/Gate)

  • Filter in: -6 V to +6 V
  • Filter FM in: 0 V to +12 V
  • Filter CV in: 0 V to +12 V
  • Accent in: off: 0 V, on: +12 V
  • Slide in: off: 0 V, on: +3.3 V
  • Gate in: off: 0 V, on: +3.3 V
  • CV in: +1 V to +5 V
  • Sync in: above 2.5 V

Outputs (CV/Gate)

  • Accent out: off: 0 V, on: +6 V
  • Gate out: off: 0 V, on: +12 V
  • CV out: +1 V to +5 V (1 volt/oct)
  • Filter out: -400 mV to +400 mV

Power Supply

  • External power adapter (use only the supplied adapter): 9 VDC 670 mA
  • Power consumption: 4 W max

Environment

  • Operating temperature: 5degC to 40degC (41degF to 104degF)

Dimensions and Weight

  • Dimensions (H x W x D): 56 x 305 x 165 mm (2.2 x 12 x 6.5 inches)
  • Weight: 0.9 kg (2.0 lbs)
  • Shipping weight: 1.4 kg (3.1 lbs)
Brand reference number: 0718-ABX86-EU1
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