You are looking at a Moog
Source Synthesizer!!!
This
Moog has been professionally restored.
There are a few light scratches on the right hand side as well as a small
chip on the corner as shown in the pictures listed.
The Source is a monophonic
analogue synthesizer with two oscillators per voice, a noise generator, a
self-oscillating filter and two envelope generators. The keyboard is a light,
37-note C to C type, and there is an octave up/down switch next to the
modulation and pitch wheels. The two oscillators can be set at three fixed,
roughly octave-apart pitches, and oscillator 2 can be fine-detuned to plus or
minus an octave.
There
are three waveforms on each oscillator. These are sawtooth, triangle (which is
very smooth and almost a sine wave) and square wave. The latter has an
adjustable pulse width, but this cannot be modulated in any way.
The
oscillators can be sync'ed together, and have that typical Moog 'distorted'
quality at their maximum level. The outputs of the two oscillators can be mixed
together and sent, along with a variable white noise source, into the
voltage-controlled filter (VCF). The filter cutoff can be set to open up as you
play higher up the keyboard, and has its own Attack, Decay, Sustain and Release
(ADSR) controls -- though these are called 'contour generators' on the Source.
The final link in the signal path is the ADSR controlling the output amplifier.
The Low Frequency Oscillator (LFO) has triangle and square waveforms, and can
be applied to the VCOs or to the filter, but you can't use it as a third
oscillator, as you can on the Minimoog. The performance panel has the
Moog-type, non-sprung modulation and pitch wheels -- and very nice they are
too.
The
main feature, which sets the Source apart from other monophonic synthesizers of
its day, is its programmability. The Source was, I believe, the first synth to
use the parameter access system of programming which is so ubiquitous today.
Before the Source, each parameter on a synth had its own knob or slider for
setting the value. On the Source, as you choose the parameter to be edited, its
value appears in the LED display. You then you use a continuously rotating knob
to change this value.
The
Source's 'alpha dial' is a very interesting device in itself. It uses a bar
code-type widget set around the spindle of the knob, like a skirt. An optical
reader measures the direction and amount of movement of the dial. It also has a
really nice spin, in keeping with the overall 'quality' feel of the Source.
Remember, this was 'state of the art' in the early '80s! Edited patches can
then be stored in 16 memory locations, and these can be dumped to cassette
tape. More echoes of the Sinclair ZX!
Insured Item
will be professionally packed, shipped and to guarantee safe arrival.
The item
pictured is the one you will be receiving.
No
additional accessories included.
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Gear is tested before being shipped. Sometimes things happen
beyond our control during shipping. If your product arrives
to you not working for any reason please reach out to us so we can
resolve this issue promptly.
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