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Used Behringer K-2 Analog and Semi-Modular Synthesizer with Dual VCOs

SKU: US1852906

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Review Summary

2022-12-11T13:57:38

Rated 5 out of 5

Must have classic

This is an awesome classic synth. There is an unbelievable amount of information on it out there which makes it even more fun!

Rex K.

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Behringer K-2 Specifications

Synthesizer Architecture

Synthesizer Architecture

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  • Number of Voices

    Monophonic

  • Type

    Analog

  • Oscillators

    2 (16 Hz to 1.5 kHz @ 8' and with 4 overlapping ranges)

  • LFO

    1 (0.1 to 22 Hz)

  • VCF

    1 low pass, 1 high pass (24 dB/octave slope)

  • Envelopes

    VCA, VCF

Connectivity

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  • Power Input

    DC input connector

  • Power Switch

    Push button On/Off

  • MIDI In/Thru

    MIDI In and MIDI Thru, 5-pin DIN

  • MIDI Channel Switch

    Channel selection/ 16 channels

  • USB (MIDI)

    USB 2.0, type B

  • Outputs

    Output: 1/4" TS, unbalanced, max. 0 dBu
    Signal out: 3.5mm TS, unbalanced, max. 0 dBu

  • Outputs Impedance

    1.0 k Ohm

  • Headphones

    3.5 mm TRS, max. +6 dBu

  • Headphones Output Impedance

    22 Ohm

  • Type

    Class compliant USB 2.0, type B

  • Supported Operating Systems

    Windows 7 or higher
    Mac OS X 10.6.8 or higher

Controllers Section

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  • Controls

    Master tune: -5 to +5
    Portamento: 0 to 10

Voltage Controlled Oscillators (VCO)

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  • Controls

    Range (VCO 1): 32', 16', 8', 4'
    Range (VCO 2): 16', 8', 4', 2'
    Pulse width (VCO 1): square to narrow
    Waveform (VCO 1): triangular, reverse sawtooth, pulse, noise
    Waveform (VCO 2): reverse sawtooth, square, narrow pulse, ring
    Pitch (VCO 2): -5 to +5

VCO Mixer Section

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  • Controls

    VCO 1 level: 0 to 10
    VCO 2 level: 0 to 10

Voltage Controlled Filter Section

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  • Controls

    High pass cutoff frequency: 0 to 10 (10 Hz to 20 kHz)
    Low pass cutoff frequency: 0 to 10 (10 Hz to 20 kHz)
    High pass peak (resonance): 0 to 10
    Low pass peak (resonance): 0 to 10

  • Switches

    Filter selector: filter 1/filter 2

Modulation Section

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  • Controls

    Frequency modulation (mg/t.ext): 0 to 10
    Frequency modulation (eg1/ext): 0 to 10
    High pass filter cutoff frequency modulation (mg/t.ext): 0 to 10
    High pass filter cutoff frequency modulation (eg2/ext): 0 to 10

  • Controls (Contd.)

    Low pass filter cutoff frequency modulation (mg/t.ext): 0 to 10
    Low pass filter cutoff frequency modulation (eg2/ext): 0 to 10
    Modulation waveform: sawtooth variation and pulse width variation
    Modulation frequency: 0 to 10 (0.1 to 22 Hz)

  • LED

    Modulation frequency rate

Envelope Generator Section

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  • Controls

    Envelope generator 1 delay time: 0 to 10 (0 to 5.5 s)
    Envelope generator 1 attack time: 0 to 10 (3.0 ms to 16 s)
    Envelope generator 1 release time: 0 to 10 (30 ms to 16 s)
    Envelope generator 2 hold time: 0 to 10 (0 to 14 s)

  • Controls (Contd.)

    Envelope generator 2 attack time: 0 to 10 (5.4 ms to 9 s)
    Envelope generator 2 decay time: 0 to 10 (0.5ms to 15 s)
    Envelope generator 2 sustain level: 0 to 10
    Envelope generator 2 release time: 0 to 10 (40 ms to 18 s)

  • LED

    Envelope generator action

External Signal Processor Section

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  • Controls

    Signal level: 0 to 10
    Low cut frequency: 0 to 10
    High cut frequency: 0 to 10
    CV adjust: 0 to 10
    Threshold level: 0 to 10

  • 3.5 mm TS input

    Signal in: Auto Pad System

  • 3.5 mm TS outputs

    Amplifier: -Infinite to 0 dBmicro
    Band pass filter: -Infinite to 0 dBmicro
    F-V converter: 0 to +8 V
    Envelope follower: 0 to +5 V
    Trigger out: to GND

  • LED

    Peak envelope follower
    Trigger out

Output Section

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  • Controls

    Volume: 0 to 10

  • LED

    Power

Inputs and Outputs (TS 3.5 mm)

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  • Sample and Hold

    In: 5 Vpp
    Out: 5 Vpp
    Clock in: to GND

  • VCA

    In: -5 V to +5 V
    Out: -5 V to +5 V
    Control input: 0 to +5 V

  • Noise Generator

    Pink noise out: 5 Vpp
    White noise out: 5 Vpp

  • Trigger Switch

    Out: to GND

  • Trigger

    In: to GND
    Out: to GND

  • VCO

    VCO 1+2 CV in: 0 to +8 V
    VCO 2 CV in: 0 to +8 V
    VCO 1+2 frequency in: -3 V to +3 V

  • Low Pass VCF

    Cutoff frequency: -5 V to +5 V

  • High Pass VCF

    Cutoff frequency: -5 V to +5 V

  • External Signal

    In: 3 Vpp

  • Total (Affects VCOs and VCFs)

    In: -5 V to +5 V

  • Keyboard

    CV out: 0 to +8 V (exponential)

  • Envelope Generator

    EG 1 out: 0 to +5 V
    EG 1 reverse out: +5 V to 0
    EG 1 trigger in: to GND
    EG 2 out: -2.5 V to +2.5 V
    EG 2 reverse out: -2.5 V to +2.5 V

  • Modulation Triangular/Sawtooth Waveform

    Out: 5 Vpp

  • Modulation Pulse/Square Waveform

    Out: 0 to +5 V

  • Switches

    Trigger out, momentary

  • Inputs and Outputs (TS 3.5 mm)

    Inputs and Outputs (TS 3.5 mm)

Power Requirements

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  • External Power Adaptor

    12 VDC

  • Power Consumption

    12 W maximum

Environmental

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  • Operating Temperature Range

    5 Degree C - 40 Degree C (41 Degree F - 104 Degree F)

Physical

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  • Module Width

    80HP

  • Dimensions (H x W x D)

    3.7 x 16.7 x 5.4" (95 x 424 x 136mm)

  • Weight

    4.0 lbs (1.8kg)

About Behringer K-2 Analog and Semi-Modular Synthesizer with Dual VCOs

FEATURED REVIEWS

Must have classic

By Rex K.

This is an awesome classic synth. There is an unbelievable amount of information on it out there which makes it even more fun!

After its initial production run from 1978 to 1983, the Korg synthesizers quickly became a favorite among globally renowned artists such as Aphex Twin, Arcade Fire, Daft Punk, Depeche Mode, and many more. The K-2 Analog and Semi-Modular Synthesizer with Dual VCOs is a cost-effective tribute to this iconic synthesizer, retaining all the original features while adding a few modern enhancements.

The K-2 synthesizer allows you to create virtually any sound with precision and ease, thanks to its pure analog signal path and dual authentic VCOs with four selectable waveforms each. The highly flexible VCF and VCA filters further enhance its versatility, making the K-2 a must-have for any keyboard enthusiast.

The K-2 synthesizer is more than just a musical instrument; it's a personal time machine that lets you revisit the past or shape the future of music. Its pure analog circuitry, featuring matched transistors and JFETs, replicates the original VCO, VCF, and VCA designs. This meticulous attention to detail results in an ultra-flexible sound shaping capability, allowing you to create everything from super-fat bass and lead tones to stunning effects and otherworldly sounds.

The K-2 synthesizer comes ready to use right out of the box, thanks to its default signal routing. The semi-modular architecture allows you to easily recreate the inspired sounds of 1980s and '90s progressive rock, wave, EDM, and synth-pop music synthesizer tracks. Alternatively, you can design incredibly fat and original sounds that will set you apart from the crowd.

At the heart of the K-2's sound is its versatile 6 dB High/12 dB Low filter, which allows you to experiment with the High and Low-Pass Cutoff Frequencies and their respective peak (resonance) settings. The K-2's authentic Voltage Controlled Oscillators (VCOs) offer a range of four variable oscillator shapes with variable pulse widths and ring modulation, providing an incredible range for sound creation.

The K-2 synthesizer also features a 16-note Poly Chain function, allowing you to combine multiple synthesizers for up to 16-voice polyphony. This feature significantly improves reliability and stability compared to its predecessors from the 1970s and '80s.

Designed for both studio and road use, the K-2 can be easily transferred into a standard Eurorack case for seamless integration into your existing system. With 36 intuitive controls and a multi-I/O patchbay for connecting external devices at virtually any point in the signal path, the K-2 offers unparalleled tone-sculpting capabilities.

In conclusion, the K-2 Analog and Semi-Modular Synthesizer with Dual VCOs is not just an instrument, but a tool for unleashing your imagination. When the modern performance demands classic analog sound, it calls for the K-2.

Behringer K-2 Analog and Semi-Modular Synthesizer with Dual VCOs Features

  • Amazing analog synthesizer with dual VCO design allows for insanely fat music creation
  • Authentic reproduction of original circuitry with matched transistors and JFETs
  • Pure analog signal path based on authentic VCO, VCF and VCA designs
  • Semi-modular architecture with default routings requires no patching for immediate performance
  • First and second generation filter design (high pass/low pass with peak/resonance)
  • 4 variable oscillator shapes with variable pulse widths and ring modulation for ultimate sounds
  • Dedicated and fully analog triangle/square wave LFO
  • 2 analog Envelope Generators for modulation of VCF and VCA
  • 16-voice Poly Chain allows combining multiple synthesizers for up to 16 voice polyphony
  • Complete Eurorack solution main module can be transferred to a standard Eurorack case
  • 36 controls give you direct and real-time access to all important parameters
  • External audio input for processing external sound sources
  • Comprehensive USB/MIDI implementation with MIDI channel and Voice Priority selection
  • Designed and engineered in the U.K.

What's in the box:

  • Behringer K-2 Analog and Semi-Modular Synthesizer with Dual VCOs