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Quadra & Expander Manual

 

 

Quadra & Expander 

Quad Function / Envelope Generator

 

 

 

 

 

Manual Revision: 2018.08.22

 

 

 

Summary of Contents for Expander

Page 1: ...Quadra Expander Manual Quadra Expander Quad Function Envelope Generator Manual Revision 2018 08 22...

Page 2: ...Installation Before Your Start Installing Your Module Quadra Front Panel Controls Inputs and Outputs Expander Front Panel Controls Inputs and Outputs Functions and Envelopes Linear Versus Exponential...

Page 3: ...control over Attack and Decay for each function generator plus a Quadrature mode and an analog OR mixer for each function generator pair This manual discusses both the Quadra and its optional Expander...

Page 4: ...the manufacturer s technical specifications for each module Compare each of the sums to specifications for your case s power supply Only proceed with installation if none of the values exceeds the po...

Page 5: ...xt to the connector the words red stripe or some combination of those indicators Most modules will come with the cable already connected but it is good to double check the orientation Be aware that so...

Page 6: ...correctly aligned If the pins are misaligned in any direction or the ribbon is backwards you can cause damage to your module power supply or other modules After you have confirmed all the connections...

Page 7: ...ycle mode the total time of ATTACK plus DECAY sets the frequency of the LFO 3 Exponential Linear Switch This switch x4 changes the attack and decay curves Depending on what you are patching the Quadra...

Page 8: ...r this LED x4 the higher the function generator s amplitude Inputs and Outputs A TRIG Inputs Patch a trigger or gate signal here to launch the function generator There are four TRIG inputs one for eac...

Page 9: ...n is discovered 2 Decay CV Input Attenuator Controls the range of CV modulation applied to the function s decay phase 3 End of Cycle LED Indicates the completion of an envelope s decay phase correspon...

Page 10: ...dicates when the respective function generator has reached the end of its cycle B Attack CV Input Allows an input signal to modulate attack time This input is normalled to Decay CV Input C allowing bo...

Page 11: ...or in the Quadra as a simple envelope generator However since the Quadra can also create very complex looping LFO shapes in Quadrature mode or create complex interacting combinations using the OR outp...

Page 12: ...generators especially once you start designing percussive sounds Linear Versus Exponential Shapes Linear Mode switch to the right The Quadra makes straight lines as shown by the examples in the left c...

Page 13: ...eted their attack phase 2 can either be triggered by the end of attack of 1 or by a gate or pulse sent to the TRIG 2 input 2 will not enter its decay phase until it has completed its attack and 1 comp...

Page 14: ...gering two paired function generators with the same trigger or gate signal an ADSR envelope can be achieved For example with 1 and 2 triggered together if 1 is set to AD and 2 is set to ASR the OR 1 2...

Page 15: ...chosen over AD in this example is because ASR will sustain as long as the keyboard key is held down This is because an ASR envelope has a sustain section that stays high as long as the input gate is h...

Page 16: ...ed in a two operator FM configuration Quadra s function 1 in AD mode controls the amount of harmonics by controlling VCA 1 s level Quadra s function 2 also in AD and VCA 2 are used for the final outpu...

Page 17: ...o the pitch input on your VCO using an attenuator if the oscillator does not have an attenuator on the pitch or FM input Without reducing the range of the AD signal the kick will sound more like a zap...

Page 18: ...Quadra Expander Manual Technical Specifications Width 6 hp Maximum Depth 44 mm Current Draw 52 mA 12V 5 mA 12V Page 17...

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