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SOC-20  

Stereo Optical Compressor 

 
 
 

Users Manual 

 
 
 
 

 
 

 

SOC-20 USERS MANUAL VERSION-1, AUGUST 2011.  CONTENTS COPYRIGHT BUZZ AUDIO LTD 2011. 

PO BOX 6677, TE ARO. WELLINGTON, 6141 NEW ZEALAND.  PH. +64-4-472-3084 

www.buzzaudio.com        email [email protected]

 

Summary of Contents for SOC-20

Page 1: ...l Compressor Users Manual SOC 20 USERS MANUAL VERSION 1 AUGUST 2011 CONTENTS COPYRIGHT BUZZ AUDIO LTD 2011 PO BOX 6677 TE ARO WELLINGTON 6141 NEW ZEALAND PH 64 4 472 3084 www buzzaudio com email management buzzaudio co nz ...

Page 2: ...SOC you find any damage to the unit you should contact your dealer or supplier immediately for advice on what to do We also suggest you retain the original packaging at least during the warranty period in case you need to return the unit for servicing however we are confident this will not be necessary Contents 1 Installation Precautions 3 2 The Mains Input 3 3 Audio Connections 3 4 Controls and I...

Page 3: ...also important to fit the correct mains fuse Below the IEC inlet you will see the fuse draw Using a small flat blade screwdriver you can flick open the draw and change the fuse if required The fuse draw also has a place to hold a spare fuse the square tube The correct fuses are 110V 2 amp slow blow 230V 1 amp slow blow These fuses will either be fitted in the fuse draw and or supplied in an access...

Page 4: ...t of gain reduction OUTPUT dB Adjusts the post compression make up gain to bring the output level back up to the desired volume Clockwise rotation increases gain from 0dB to 15dB gain ATTACK This switch has 5 positions and adjusts the time taken in milli seconds for the SOC to respond to signals that exceed the threshold as set with the Drive control This is the time taken to achieve 20dB of gain ...

Page 5: ... comparing the compressed to un compressed signal When using the SOC with stereo signals both A and B channels bypass switches would be operated together for a meaningful result I P G R O P This switch is used to monitor signals on the VU meter At I P position the VU meter monitors the audio input signal as applied to the LINE input connector At G R position the meter displays the amount of gain r...

Page 6: ...lex frequency dependant compression can be accomplished for example de essing Using the sound of an instrument to compress another instrument often called keying using the insert return as the key input PK LED This red led will light when the internal operating level has reached 22dB peak level indicating a possible clipping situation It monitors the input and output circuits of the SOC 20 LDR LED...

Page 7: ...s fed into Channel A s compressor and the SIDE signal to Channel B s compressor then back to another set of sum and difference amplifiers to regenerate the stereo signal This allows you to compress the MID and SIDE signals separately and is an extremely powerful tool for processing stereo sounds Note the MS mode will only work with stereo signals You can monitor the generated MID and SIDE signals ...

Page 8: ...AUTO 2 100Hz Mains Voltage 110 115Vac or 220 240Vac switchable 6 Service Information We are confident that you will receive many years of trouble free operation from your unit If however you experience any technical problem with your SOC 20 contact your dealer or Buzz Audio for recommendations on what to do The SOC is constructed with non surface mount serviceable parts this means most electronic ...

Page 9: ... proof of purchase ie sales receipt This warranty provides that examination of the returned product must indicate in our judgment a manufacturing defect This warranty does not extend to any product that has been subjected to misuse neglect accident improper installation or where the date code has been removed or defaced The standard warranty is NOT transferable Product Warranty Extension The above...

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