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Blacet Research VCA2200, User Manual

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VCA

BLACET RESEARCH MODEL VCA2200

Quad Voltage Controlled Amplifier/Mixer Module

User

 

Manual

Blacet Research  15210 Orchard Rd Guerneville CA 95446

[email protected]   http://www.blacet.com     707-869-9164

Contents Copyright.

 

Reproduction by any means including the Internet prohibited without permission.

This document contains proprietary and trade secret information of Blacet Research and is provided

as a service to the module owner. Any unauthorized duplication or transferral may violate trade secret laws.

Contents subject to change without notice.

Summary of Contents for VCA2200

Page 1: ...tp www blacet com 707 869 9164 Contents Copyright Reproduction by any means including the Internet prohibited without permission This document contains proprietary and trade secret information of Blacet Research and is provided as a service to the module owner Any unauthorized duplication or transferral may violate trade secret laws Contents subject to change without notice ...

Page 2: ... fully CW Channel D has 10X gain Channels A B and C are connected to the ABC D Output with Channel D being normalled unless a plug is inserted into the D Out Channel D can thus be used as a separate VCA It also has up to 10X gain for use with low level signals This VCA is suitable for a variety of tasks including straight mixing VC mixing stereo panning fading distortion and external signal amplif...

Page 3: ...is Voltage Controlled Attenuator still a VCA Here s what the 2200 looks like inside A B D C A IN B IN C IN D IN ABC D OUT D OUT CV CV CV CV BIAS The arrows indicate the normalled connections The Mix pot on each input is not shown With no external CV we have a three or four input mixer with the Bias pot acting as the master volume or distortion control Add external CV to any input as needed Since D...

Page 4: ... and panning extra processing can be added as required CV mixing The 2200 is DC coupled so that control voltages can be mixed as well as audio signals You will probably find that using the 75 dB setting of the toggle switch to be the most useful for this application CV Range The 2200 is set up for 0 10V CV Negative CVs will have no effect 75dB 100dB Switch Try using 75dB for mixing CVs and 75dB or...

Page 5: ... help you get your module working We can fix modules for a minimum fee of 25 The parts contained in this unit have been carefully selected and tested They are guaranteed for 90 days from the date of purchase If you believe that you have a defective part or if you have a part missing contact us so we can provide you with a replacement or repair Options The normal control voltage range of the VCAs i...

Page 6: ...Page 6 J2 J3 2 0 2 0 2 5 2 0 5 5 4X 1 5 S1 1 2 3 2 0 2 0 3 8 J1 J6 J5 J4 J7 J8 J9 J10 COM 4 8 1 5 3X 3 8 1 5 2 5 5 5 1 5 1 5 2 0 6 0 6 0 ...

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