TECHNICAL DETAILS Neptune II
Feature:
- 3 VCO with Range 0.14Hz .. 7kHz, used up to 5.3kHz
- Sawtooth and Pulse Wave on OSC1 and OSC2
- Sawtooth, Triangle, Pulse, Random on OSC3/LFO
- OSC3 switchable as LFO
- Noise Generator with Spectrum DC..100kHz
- Octave Switch for OSC2 with range 32' .. 4'
- Octave Switch for OSC3 with range 64' .. 8'
- Slide
- Sync of OSC2 to OSC1
- External Signal source
- True Ringmodulator
- Mixer section
- 24dB Cascade filter with Lowpass and Highpass
- Self resonant
- Keyfollow switch 0-50%-100%
- Four Modulation targets of OSC3/LFO: Mixer, Cutoff, OSC1, OSC2
- Six shapes of OSC3/LFO: Sawtooth, Triangle, Pulse, Random, Noise and OSC2 signal
- Free run switch to have OSC3 free of the keyboard
- Filter and Volume envelopes where Filter envelope can be positive or negative modulated
- Distortion section with regular Distorter and Fuzzer
- Volume
- Power switch
- Power on led
MIDI:
- Learn switch for MIDI Channel and Reference note
- Gate LED
- Slide switchable over Controller
- LFO MIDI Clock Sync
- CV and Gate In/Out
- 5 Octave Range precise MIDI to CV Converter
- interpret Pitch bend and Sustain
- Cutoff and Modulation Controller with MSB and LSB
- Pitchbend Range over Controller
- MIDI Timing Clock 1/1 note up to 1/32 note
- MIDI Thru with signal regeneration
Performance:
- Quality smooth potentiometer
- Soft touch knobs
- High efficiency 5mm leds, three green/one blue
- 2.2mm travel push switches for optimal optical feedback
- Anodized colored 3mm Front Panel
- Pure DC Design means no capacitors in the signal flow
- Low noise design
- True noise generator (not digital noise)
Additional manual change possibilities (described in the Service manual) :
- Having PW(M) on Square Wave on Osc1,2 or 3
- Osc3 Sync with Osc1 or Osc2
- Even faster Envelopes
- Increase tune range for Osc1..Osc3
- Additional signal inputs and outputs (i.e. to work with your modular system i.e.)
- General in/outputs of Oscillators, Envelopes, Filter, Ringmodulator, ...
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| Performance and Signals of Neptune Mk2 |
Saw 250 Hz
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Saw Spectrum
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Noise Signal
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Noise Spectrum 10Hz..50kHz
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