AMSynths AM8044 Cascade VCF User Manual Download Page 1

AMSynths 

 
 
 
 

 
 
 
 
 
 
 
 

AM8044 Cascade VCF & VCA 

User Manual

 

24dB/Octave Low Pass Filter 

& Linear Voltage Controlled Amplifier

 
 

 

 
 
© AMSynths 2013 

Rob Keeble, Owner & Designer 
Contact:   [email protected] 
Web Site: www.amsynths.co.uk 

Summary of Contents for AM8044 Cascade VCF

Page 1: ...MSynths AM8044 Cascade VCF VCA User Manual 24dB Octave Low Pass Filter Linear Voltage Controlled Amplifier AMSynths 2013 Rob Keeble Owner Designer Contact sales amsynths co uk Web Site www amsynths co uk ...

Page 2: ...AM8044 Cascade VCF VCA AMSynths Page 2 Contents 1 Welcome 2 Front Panel 3 Connections Controls 4 Module Description 5 Configuration 6 Warranty Support 7 Specifications ...

Page 3: ...stability of the control circuits and the long term life of the product This user manual explains the basic functions of the module as well the historic background to its development how to install the module and the warranty and support AMSynths modules are produced in low volumes with each module having a unique holographic serial number and a certificate of ownership You own a rare and beautifu...

Page 4: ... InA InB CONTROL INPUTS CV1 CV2 Env AUDIO OUTPUTS Out CONTROL POTS Signal A white Signal B white Frequency blue Resonance red Key Track blue CV1 blue CV2 blue Gain Env yellow The serial number is on a small silver holographic sticker on the inside of the front panel ...

Page 5: ...ave added a VCA after the VCF output so you can connect up a dual envelope generator and make Astounding Sounds Audio signals are buffered before and after the SSM2044 by high quality Op Amps The VCA is built from the high quality BA6110 OTA chip with added diode protection against any negative voltages The response is linear making it ideal for connecting to exponential ADSR s The SSM2044 was pro...

Page 6: ...et marked Out is the audio signal output of the filter and it is typically connected to a VCA The Frequency potentiometer varies the cut off frequency of the filter At the minimum setting the filter will cut off all frequencies with no audio output and at the maximum setting the filter will pass all frequencies The Key Track potentiometer adjusts the amount by which the keyboard note value control...

Page 7: ...ack The module should be connected to the 12V Doepfer style power bus within your case using the included AMSynths multi way power cable Ensure the power is OFF before connecting the module and BE VERY CAREFUL to ensure that the power connector to the bus is connected with the red stripe of the cable lined up with 12V negative 12V This is standard Euro Rack power connection but be VERY CAREFUL to ...

Page 8: ...rrect power supply voltages backwards power cable connection abusive usage fluid encroachment or out of specification voltage input are not covered by the warranty and normal service rates apply AMSynths implies and accepts no responsibility for undesirable harm to a person or apparatus caused through operation of this device If you have questions regarding the use of this module or you need techn...

Page 9: ...ble is 12V NEGATIVE 12V Current consumption 21mA both rails Dimensions 128 5mm Height x 70 8 mm Width Euro Rack Size 14HP TE Panel 2mm machined aluminum with colour photographic print Frequency 20 Hz to 20 kHz Resonance 0 to self oscillation VCA Control Voltage 0 to 10V minimum to maximum gain Output Impedance 1k ohm Input Impedance 100k ohm ...

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