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Originally written by ADA SIGNAL PROCESSORS, INC. Scanned and edited by Jur at 1 of october 2003. Original ADA logo edited and rendered by Barend Onneweer of Raamw3rk.) The version of this manual is copyrighted and may not be sold or placed on a website without permission of the editor.
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ADA Microcab I owners manual version 1 CONTENTS INTRODUCTION FEATURES PRECAUTIONS QUICK SET UP USING THE MICROCAB HOW TO GET THE BEST TONE WITH YOUR MICROCAB WHAT THE MICROCAB DOES MICROCAB CENTERFOLD ILLUSTRATION GLOSSARY GRAPH A - VINTAGE 4X12, CLOSE/FAR MIKED...
The MICROCAB uses the signal from the preamp outputs of a guitar amplifier, or a rack-mounted preamp such as the ADA MP-1 MIDI TUBE PREAMP. Your new MICROCAB will preserve all the tone and fidelity from your guitar, preamp, and effects units, while delivering the frequency response of various speaker cabinets, simulating difficult and time-consuming miking techniques used in recording studios.
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British-style 4 x 12 cabinet. Also note (Graph C, p. 18) that the high frequency response from the Shure SM57 when placed off-axis is greatly attenuated. The shallow comb filter nodes across the mid-frequency band are another "live" characteristic that the ADA MICROCAB incorporates into its tone-shaping circuitry (comb filter).
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200 Hz (abbr. for Hertz or cycles per second), which resonates with the human chest cavity. The ADA MICROCAB is unique it its ability to reproduce this power and feel of the live performance directly to tape!
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ADA Microcab I owners manual version 1 Page 6 of 9...
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ADA Microcab I owners manual version 1 GLOSSARY SOME AUDIO TERMS RELEVANT TO WHAT THE MICROCAB DOES (From the CAMEO Dictionary of Creative Audio Terms, Gary Davis & Associates, 1979) Coloration Non-uniform frequency response resulting in distortion of the tonal quality of the source.
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ADA Microcab I owners manual version 1 GRAPH A Vintage 4x12 Close/Far Miked Above graph shows increasing tonal complexity of a 4 x 12 Vintage cabinet as the microphone is moved closer to the speaker cabinet. At 5 meters, note fewer peaks, less low range "thump,"...
ADA Microcab I owners manual version 1 cabinet, resulting in more complex and "darker" tone. The MicnoCAB offers eight types of open/sealed enclosures. GRAPH C 4x12 Sealed Cabinet Off-Axis/On-Axis Miking This graph compares on-axis (solid line) vs. off-axis (dashed line) response characteristics in a close-miked 4 x 12 sealed cabinet.
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