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versatility of having a variety of speaker cabinet tones at your fingertips in one compact 
single-space rack device. 
 
The purpose of calling the ADA 

MICROCAB II 

a "miked" guitar cabinet emulator is to 

distinguish it by features that account for the microphone in the audio path. As the number of 
speakers is increased in a miked cabinet, the number of signal paths to the microphone 
increases, adding a comb filter effect to the guitar sound on tape. The sound from these 
"paths" travels different distances to the microphone element. Therefore, when combined, 
cancellations and reinforcements are produced across the sound spectrum. This is the 
source of the "complex" feel to the close-miked guitar

 cabinet. 

 

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Summary of Contents for Microcab II

Page 1: ...itten by ADA SIGNAL PROCESSORS INC Scanned and edited by Jur at 10th of august 2002 Original ADA logo edited and rendered by Barend Onneweer of Raamw3rk The version of this manual is copyrighted and m...

Page 2: ...le of Contents Introduction Features Precautions Quick Set Up Using the MicroCAB II How to Get the Best Tone with Your MicroCAB II What the MicroCAB II Docs Glossary of Audio Terms Specifications Page...

Page 3: ...y card FEATURES Emulates any type or size of guitar cabinet Stereo inputs and outputs Stereo pass thru to poweramp or speaker load box Variable THUMP control allows tuning the cabinet s low resonance...

Page 4: ...volved in lengthy sound checks and mike placement trial and error while providing absolute isolation from other instruments on stage Since guitar speaker cabinet systems don t have a flat frequency re...

Page 5: ...ker configurations in both open back and sealed enclosures You can also use the VINTAGE settings for a darker sounding tone coloration When using headphones with the MICROCAB II you may want to adjust...

Page 6: ...phone in the audio path As the number of speakers is increased in a miked cabinet the number of signal paths to the microphone increases adding a comb filter effect to the guitar sound on tape The sou...

Page 7: ...Page 7...

Page 8: ...oiding leakage from more distant sound sources Most of today s popular music recordings use close microphone techniques Comb filter A comb filter has a series of very narrow deep notches where signals...

Page 9: ...ment system to achieve a particular sound or effect GRAPH A Vintage 4x12 Close Far Miked Above graph shows increasing tonal complexity of a 4x12 Vintage cabinet as the microphone is moved closer to th...

Page 10: ...ed 4x12 sealed cabinet Note lower off axis response above 2 kHz resulting in less brightness This response difference can be emulated in the MlCROCAB II by adjusting the HI BALANCE tone control SPECIF...

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