http://www.youtube.com/watch?v=-u11qsV2yTk
This is a demo of the Spectral Audio Neptune 2 synthesizer, a very rare vintage rack-mount analog synth.
Features:
Voltage Controlled Oscillator 1 and 2:
- Precise temperature stable Sawtooth and Rectangular Waves
- 4 Octave Range Switch for Osc2
- Ring Modulation Sync for Osc 2
- External Signal Input for Osc 2
- White Noise Generator
- Spectrum from 0 Hz (DC) to 100kHz
- True analog random noise, no digital shift register noise
- Slide Time from 0 sec to 10 sec, Switch able by MIDI Controller 65 (Portamento)
Voltage Controlled Oscillator 3 / LFO:
- Osc 3 can be switched between LFO (slow) and Oscillator Modus (fast)
- 5 Shapes Sawtooth, Triangular, Rectangular, Random and Noise.
- Osc 2 can also be a Modulation Source; through this also external Signals can be a Modulation Source.
- Freerun Button keeps Osc 3 free of the CV
LFO
- MIDI Clock Sync
- 4 Modulation targets: Osc 1 and 2, Cutoff and Mixer Blue led
Voltage Controlled Filter:
- 24 dB precision cascade Filter with Highpass and Lowpass Modes
- Self resonant
- Keyfollow switch 0% – 50% – 100%
The two Filter and VCA Envelopes:
- Complete and very fast ADSR Envelopes with Attack, Decay and Release times in the Range of 5 millisec to 20 sec
- For the Filter with Positive or Negative Modulation Gate led
Effects:
- Distortion and Fuzzer
- Effect Switch Effect level potentiometer from no effect to max
VCA and Volume:
- Volume potentiometer
- Low noise and low distortion VCA
Power: Power on switch Power on led
MIDI:
- 5 Octave Range precise MIDI to CV Converter
- MIDI controlled Cutoff (#2), Modulation (#1) and Portamento (#65) Receive Sustain (#64) and Pitch bend instruction
Filter
- Velocity Sensitive Filter dynamic operation Re-trigger function
- Filter TB303 Velocity mode
- Highest or last note priority CV and Gate In/Output (switch able)
General:
- Pure Analogue Technology
- 2 Unit Rack mount Enclosure
- Anodized colored 3mm Front Panel
Spectral Audio Neptune 2 Resources:
- Neptune 2 Yahoo Group
- video via Dogboy73:
