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Maplin 3800 Synthesizer

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    Description
    It is a true analog monophonic synthesizer. The roots of the english MAPLIN models base on the ETI DIY Synthesizers from Australia. This MAPLIN 3800 "Synthesiser" (look at the photos) was manufactured in England.

    It has great sound capabilities because of the internal routing, the two VCOs (syncable), the noise generator, the S&H circuit (three different sources), three modulation sources, the ring modulator, the LFO, the VCF, the reverberation, the equalizer and the unique Transient circuit. The Transient is a kind of envelope that can be used to modulate several other components of the synthesizer. Like the Trapezoid circuit inside the EMS VCS3 and Synthi A synthesizers. The Transient circuit has got seven different pots for setting up and can also retrigger the synthesizer. Also there is a flexible kind of envelope for the VCA (ADDSR).

    At the back you find several connector sockets. As there are: Foot switches for Trigger and for Glide, external audio input (can be routed through the filter and be used to synchronise the Envelope and the Transient to other sound sources) Here for there is at the front panel the section "EXTERNAL I/P". With this the external audio can be setup in sensitivity and trigger level. Also there is a separate output socket for the trigger and the retrigger, and for the audio output. At least there is a multi connector called "COMPUTER". But i don't know anything about it. I think it corresponds to the section "COMPUTER" at the front panel.

    Unit works on 220 - 240 Volt. You will probably need an voltage converter to use this synthesizer or you replace the mains transformer inside.
    Images
    Architecture
    Type: Analog
    Synthesis: Subtractive
    Oscillators
    Oscillators: 2
    Waveforms: Pink Noise, Pulse Variable, Saw Down, Saw Up, Sine, Square, Triangle, White Noise
    Osc Modulation: Envelope, Keyboard, Knob, LFO, Oscillator, Ring Modulation, Sync Hard
    Envelopes
    Envelopes: 2
    Evelope Paramerters: Delay, Attack, Decay, Decay 2, Hold, Looping, Slope, Triggered, Time
    Envelope Notes::
    + 1 x ADHD2
    + 1 x Transient Generator w/ 7 controls: Start Level (+ & -), Delay 1, Slope 1, Hold Level (+ & -), Hold Delay, Slope 2, and Final Level (+ & -).
    Filters
    Filters: 1
    Types: 24dB Slope (4-pole), Low Pass, Resonance
    Filter Modulation: Envelope, Keyboard, Knob, LFO
    LFO
    LFO: 1
    LFO Parameters: Sample & Hold, Sine
    Polyphony & Tuning
    Polyphony: 1
    Timbrality: 1
    Tuning: Standard
    Modes: Mono
    Case
    Case: Keyboard
    Keyboard: 49 keys, Non-weighted, Plastic
    Controls: Knobs, Switches, Pedal - Control, Pedal - Start / Stop
    Display Type: LED
    Weight: 27 kg
    Connections
    Audio Output Connections: 1/4" Phone Jack, Mono Out
    CV Ports: CV IN, Gate Out, Trigger Out
    Power: 220V AC
    Production
    Year Released: 1979
    Manuals & Documents
    Pricing
    Used Price: $1,500 - $2,500 - convert
    Shopping
    YouTube Videos
    References & Sources
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