Synthesizers.com Q169 Oscillator++ Manual Download Page 1

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Q169

Osc+

Oct 25, 2021

The Q169 Osc+ module combines

two audio oscillators offering an amazing

array of cross

modulation possibilities, along

with an LFO, envelope generator and sam-

ple

and

hold functions

all gracefully orga-

nized on a triple

wide 5U panel.

Osc+ can be used as a dual oscillator

in a traditional synth patch, as a stand

alone

voice, as a pair of FM operators for additive

synthesis, as independent functions, or as a

complex modulation source.

Go from tame

to chaos with the turn of a knob.

Both audio oscillators are paired with a VC

amplifier, and each can modulate the others

pitch, pulse width and amplitude at the same

time and in variable amounts.

A cross

modulation extravaganza!

The Q169 is the equivalent of 10 modules

and 20 patch cables arranged in a musically

useful and understandable way.

Configura-

tions you probably wouldn't patch naturally

are easily accessible.

Osc+ is com-

plexity dignified.

The optional Q168 Aid module provides

patch points for LFO waveforms, the enve-

lope, noise, S&H and a multi

purpose invert-

able attenuator.

Q169 Osc+ Specifications

Panel Size:

Triple Width 6.375"w x 8.75" (Moog Unit Format)

Input/Output Signals:

10Vpp

Control Voltage Signals:

5V unipolar or 10Vpp bipolar

Gate Signals:

Pitch CV Response:

1V/Octave

Pitch Tracking Range:

10+ Octave

VCA Response:

Linear

LFO Range:

.01hz

20hz

EG Speed:

10s

10ms

Power Requirement:

+15V@150ma,

15V@150ma, +5V@10ma. Synthesizers.com standard.

Summary of Contents for Q169 Oscillator++

Page 1: ...and amplitude at the same time and in variable amounts A cross modulation extravaganza The Q169 is the equivalent of 10 modules and 20 patch cables arranged in a musically useful and understandable way Configura tions you probably wouldn t patch naturally are easily accessible Oscillator is com plexity dignified The optional Q168 Aid module provides patch points for LFO waveforms the enve lope noi...

Page 2: ...de with easy connection to the LFO EG and external signals Q169 Oscillator Individual outputs and mixed output LFO and Envelope Generator Gate for triggering envelopes and syncing LFO and oscillators Oscillator 1 modulation settings Oscillator 2 tuning and range waveform select sync select Sample Hold Oscillator 2 modulation settings Oscillator 1 with VCA Oscillator 2 with VCA 1V Octave pitch CV f...

Page 3: ...witch Jack LFO 5V EG AMP IN AMP Pot Switch Jack AMP IN Mix Out LED Triangle VCO 2 Wave Shapers VCA Out Freq Pot 1V Oct Range Sw Wave Selector LFO EG VCO1 Pitch modulation IN Pitch Pot LFO 5V EG PWM IN PWM Pot Switch Jack LFO 5V EG AMP IN AMP Pot Switch Jack AMP IN Mix Decay VCI LED LED S H AS ASR Speed EG Gate In Out Clk Sample Hold Gate VCO1 Gate VCO2 LFO Speed Range Sync Sync Normal from 1 Slew ...

Page 4: ...s by 2 octaves and access to oscillator 1 s linear pitch signal is provid ed Q169 Oscillator 2 volt source to provide 2 octave transposition of oscillators Independent signal at tenuator with inversion and offset Can be used as a voltage source Direct access to the sample hold output whose source is oscillator 1 and clocked by the LFO Access to the LFO sine and square waveforms Gate Sync switch co...

Page 5: ...ke subtracting a sine wave from a triangle wave and produces interesting harmonics The next section is the modulation matrix This arrangement gives you easy access to amazingly com plex cross modulation between the two oscillators pitch pulse width and amplitude The PITCH jacks at the bottom are 1V Octave scaling to track a standard keyboard VCO 1 s jack is automatically connected to VCO 2 s jack ...

Page 6: ...n when a plug is inserted into VCO 2 s jack A typical use for this jack is a pitch bend wheel Pitch with Glide Second from the bottom pitch jack is also 1V per octave scaling A knob controls glide time for the control voltage signal This feature can also be referred to as portamento or slew limiting VCO 1 s pitch input is normal ized to VCO 2 s pitch input and broken in the same way as the pitch j...

Page 7: ...r to the other oscillator Typically a slower oscillator will sync the faster oscillator for the best effects Oscillator 1 is typically used as the slower oscillator The bottom position causes the waveform to sync to the GATE IN jack This is useful when using an oscillator as a modulator where each press of a key produces the same waveform progression Sync Oscillator 2 can be controlled by the inte...

Page 8: ...nob provides attenuation The external signal can come from another module or perhaps the S H output on the Q168 Aid module or possibly noise or another waveform from the other oscillator Amplitude Each oscillator on the Q169 has a built in VCA amplifier to provide con trol over the waveform amplitude This provides many possibilities not found on other oscillators such as using the module as a stan...

Page 9: ...e jack will trigger the envelope but the LFO can also trigger the envelope by setting the first toggle switch to LFO The envelope can be either Attack Decay or Attack Sustain Release as set by the AD ASR switch In the AD position the envelope will trigger at the beginning of the gate then when the peak is reached begins decay regard less of the gate s status typically a keypress In the ASR positio...

Page 10: ... pitch normalization reduces the need for multiples and patch cables Set pitch range however you d like Notice the S H is turned OFF and the Pitch modulation knobs are 0 Adjust the EG controls to your taste This patch performs as a complete synth voice From this humble beginning you can experiment with PWM from the LFO pitch modulation from LFO EG or the other oscillator VC inverting sync ing and ...

Page 11: ...ws that the source is the other oscillator Then set the knob to the de sired amount Start with very small amounts Take audio out from the center output jack and turn the output mixer to hear one or both of the oscillators Tune to your liking experimenting is where the magic happens In this patch the amplifiers are turned fully on and you can use an external VCA EG to control that Dual Oscillator C...

Page 12: ...ut controls the polarity of the other oscillator s waveform In this particular patch the amplifiers are set to full for use with an ex ternal VCA EG but you can also use the internal EG to control them for stand alone operation VC Inversion Patch Audio Output Pitch voltage from keyboard OFF SLOW 1 2 3 ...

Page 13: ... H circuit takes its input from VCO 1 and is clocked by the internal LFO The output controls the pitch of VCO 2 Flip the S H toggle switch up to turn it on Set the AMP on VCO 1 to control the amount of the pitch control The LFO speed controls how often the S H is triggered Normally in this type of patch you want to only listen to VCO 2 Sample and Hold Patch Audio Output Pitch from keyboard OFF SLO...

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