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Introduction

This is the User Manual for the Classic VCA 3U module from Oakley Sound. This document 
contains an overview of the operation of the unit and the calibration procedure

For the Builder's Guide, which contains a basic introduction to the board, a full parts list for 
the components needed to populate the board or boards, and a list of the various 
interconnections, please visit the main project webpage at:

http://www.oakleysound.com/vinvca.htm

For general information regarding where to get parts and suggested part numbers please see 
our useful Parts Guide at the project webpage or http://www.oakleysound.com/parts.pdf.

For general information on how to build our modules, including circuit board population, 
mounting front panel components and making up board interconnects please see our generic 
Construction Guide at the project webpage or http://www.oakleysound.com/construct.pdf.

The prototype Classic VCA module using a 10HP wide Scheaffer panel. Note that on this module the

sockets are on the right of the pots. The Krisp1 manufactured version has the pots to the left and fitted

with an 8HP wide panel. The functionality is the same however.

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Summary of Contents for Euro Rack Classic VCA

Page 1: ...Oakley Sound Systems Euro Rack Series Classic VCA Discrete Core Voltage Controlled Amplifier User Manual V2 2 Tony Allgood Oakley Sound Systems CARLISLE United Kingdom...

Page 2: ...egarding where to get parts and suggested part numbers please see our useful Parts Guide at the project webpage or http www oakleysound com parts pdf For general information on how to build our module...

Page 3: ...V inputs Both can be used together or individually Two signal inputs are provided one DC coupled and the other AC coupled The former allows audio and low frequency signals to be processed While the la...

Page 4: ...cable Thus the red stripe should be fitted so that it goes to the bottom of the module Do not connect your VCA module to your modular s power buss without switching your whole modular off first The i...

Page 5: ...used to mix or sum two signals together before they are processed by the VCA core One of the inputs IN1 DC is directly coupled to the VCA core All signals CV and audio connected to this input can ther...

Page 6: ...ur monitoring volume to suit Then simply swap the monitoring system s jack plug from the mult to the VCA s output and adjust LIN accordingly It doesn t have to be that accurate just try to get the two...

Page 7: ...f you have a comment about this user manual or have a found a mistake in it then please do let me know Last but not least can I say a big thank you to all of you who helped and inspired me Thanks espe...

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