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OB-PWM-MANTIS

PWM MANTIS Hybrid Analogue Synthesizer - DISPLAY STOCK

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OPEN BOX CONDITION SUMMARY
Condition Excellent condition, Display Stock
Original packaging Included
Original accessories/manual Included
Warranty Full manufacturer's warranty from date of purchase
Comments Great Condition, Check Images 

 

A Unique Duophonic Hybrid-Analogue Synthesiser with Dual Filter, Patches and full USBC-MIDI Control

Hybrid-Analogue Synthesiser

• Mathematically Generated Oscillators with a Pure Analogue Signal Path

Heritage Sound

• A Modernised Design Architecture based on the WASP with an OSCar style filter designed by the late, great Chris Huggett

Duophonic

• Two Fully Independent Voices each with 2 Oscillators plus Sub-Oscillator per voice

Dual Filters

•  Multi-Mode State Variable VCA Filters with Overdrive per Voice that can be combined in Series or Parallel with Width Control

37-Note Full-Size Semi-Weighted Keybed with Aftertouch plus Joystick

•  Fully featured Keyboard, Joystick and USB-MIDI Control for Easy Integration with any Studio or Live Environment

This project is a collaboration between the late Chris Huggett (Gnat, WASP, OSCar) and PWM (Paul Whittington). In development over the last period of his life Chris threw everything he could into the Mantis. Although incomplete when he passed away he handed his part of the project over to Paul to continue and to see what, if anything, could be made of it - he really was so humble in his work! We at PWM, with the support of Chris’ estate, think this synthesiser is totally amazing and deserves to be born into the world for everyone to enjoy, and we know Chris would be really proud too!

 

OSCILLATORS

The OSCs are generated at boot-up using complex mathematics. They run on a DSP chip that gives ultimate stability and control without compromising the unique sound. This is what makes the synth a hybrid but don’t be fooled - everything after that through the mixer, gain staging and the filter is analogue.

 

VCF

The Filter is a multi-mode state variable VCA Filter with overdrive. It is built using the SSI2164 chip in special configuration designed by Chris Huggett. There are two filters - one for each analogue signal path. They can be combined in series or parallel and used with the width control and width modulation to create that distinctive sound only heard on the OSCar.

 

FX

The Mantis has two simple digital effects: Reverb and Chorus. Reverb has a time and level adjustment but also a high and low pass filter that can be switched in to limit unwanted lower mud and/or higher bouncy twinkles (!)

 

ENVELOPES

Mantis has 2 ADSR envelopes but each has an additional ‘Sustain Fall’ parameter and negative and positive velocity modulation level hardwired for convenience. ‘Sustain Fall’ allows you to create a drop before release even while a key is held for greater sound design possibilities. Each envelope can also be put into repeat mode to act as a pseudo LFO if you wish.

 

VCA

The gain staging on Mantis is, of course, all analogue and is run through the SSI2164 VCAs - we have a few of them in the design! The signal is actually twice amplified to ensure the overdriven sound is warm and clips naturally.

 

Key Features 

- Duophonic with 2 discrete analogue signal paths

- 2 Oscillators + sub oscillator per voice
- 2 Envelopes with sustain fall and envelope repeat
- 2 LFOs with 4 waveform types and sync
- 2 Multi-mode filters with drive, keytrack and frequency modulation
- Dual filter mode with width and modulation
- 37 note full sized keybed with aftertouch
- Multi-function joystick and octave shift
- Arpeggiator with 6 modes, tap tempo, swing and sync & unique duophonic arp mode
- Reverb with low & high pass filtering and 4 chorus modes

 

Additional Features 

- Mixer with Noise and Ring Modulation
- Oscillator density and drift
- Modulation Routes with fast configuration
- Selectable triggering
- USBC
- Powered via DC PSU
- MIDI Din IN, OUT and THRU
- Sustain pedal input
- Controller pedal input
- 1/4” Stereo master outputs
- 1/4” Stereo headphone output

     

    Technical Specifications

    • 200 Patches

        * All patches in RAM so can be overwritten

        * Bank A: 100 Factory presets

        * Bank B: 100 User presets (all set to initial patch)

        * Compare function

        * Initialise patch function

    • Duophonic with 2 analogue signal paths

        * Mathematically generated oscillators designed by Chris Huggett

        * Analogue signal path designed by Chris Huggett

    • 2 Oscillators plus sub-oscillator per voice

        * Sine / Triangle / Saw / Pulse plus additional wave types

        * Shape control and shape modulation input

          - Will create pulse width modulation on the pulse waveform with perfect square at the centre

        * Pitch modulation control

        * Octave selects per oscillator

        * OSC 1 SUB follows oscillator 1 parameters

    • Oscillator Drift

        * Creates random pitch variations between oscillators

    * Multi-mode state variable VCA filters with overdrive

        * 2 Analogue filters - 1 per signal path

        * Low Pass / Band Pass / High Pass in 12dB and 24dB configurations

        * Additional WBAND (series) and WSTOP (parallel) types

        * Filter Cutoff

        * Filter Cutoff Modulation

        * Filter Resonance

        * Filter Width

        * Filter Width Modulation

        * Filter Keytrack

    • LFO (Low Frequency Oscillator)

        * 2 LFOs

        * 4 waveshapes per oscillator

        * Fade In / Fade Out parameter

        * SYNCable

        * Rate control

    • Envelopes

        * 2 Independent envelopes

        * ENV 1 normalised to amplitude

        * ADSR

        * + Sustain Fall parameter for shaping during key-down

        * + Repeat which can be used to create looping envelopes

        * Velocity positive and negative control

    • Ring modulation

    • Mixer

        * First mix: OSC1 and OSC2

        * Second mix: OSCillators and noise

        * Third mix: OSCillators + noise and Ring modulator

    • VCA (Voltage Controlled Amplifier)

        * All amplification is done in the analogue domain in multi-stage VCAs

    • Modulation Routes

        * Control - 6 choices of modulation parameters

        * Source - 6 choices of effectors from envelopes and LFOs

        * Scale - choices of controls used to scale the effect of the modulation

    • Glide

        * Glide amount

        * Auto-glide mode

    • Indicator LEDs

        * Two LEDs for Voice

        * LED for Keyboard activity

    • Master tune

    • Master volume

    • Triggering

        * ENV 1 Legato

        * ENV 2 Legato

        * LFO Keytrig

        * LFO Keytrig

    • CONNECTIONS

        * Master power switch

        * DC 9V input

        * USBC

        * MIDI IN / OUT / THRU

        * Sustain pedal input (switch)

        * Pedal input (continuous)

        * Stereo 1/4” line Outs: L/Mono and R

        * Stereo 1/4” headphone out

    * Multi-function Joystick control

        * Left / right for pitch bend

        * Performable vibrato

        * Latching hold mode

    * Arpeggiator

        * 6 arpeggiator types

            * Up, Down, Up/Down 1, Up/Down 2, Played & Random

        * Sync rates control from 2nds to 32nds

        * Tap tempo button

        * Swing including positive and negative swing

        * Auto clock sync

            * Detects MIDI or USB-MIDI clock and synchronises the arpeggiator automatically

        * Latch via joystick HOLD

        * 6 Octave range

    • Dedicated tempo control

    • Duophonic mode control

        * Duo mode

        * Duo mode with simple filter

        * Pan control for duophonic voicing

    • Digital Effects

         * Reverb time

         * Reverb level

         * Reverb High Pass Filter

         * Reverb Low Pass Filter

         * Chorus level

         * Chorus type

    * Keyboard Control

        * 37 Full-size semi-weighted velocity-sensitive keys

        * Channel aftertouch

        * Octave shift

    • Weights and Dimensions (product unboxed)

        * 620 x 320 x 110 mm

        * 5.3 kg
     

    Weights and Dimensions

     

    Product (unboxed):

    • 620 x 320 x 110 mm
    • 5.3 kg

     

    Product (boxed with contents):

    • 800 x 395 x 180 mm
    • 7.4 kg

     

    Carton (2 pcs):

    • 815 x 415 x 370 mm
    • Net weight 10.6 kg
    • Gross weight 15.3 kg

     

    Includes

    * Power Supply (9V 600mA)

    * USB C lead

    * Getting Started Guide