Ada Microcab II Owner's Manual page 6

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
cabinet.
source of the "complex" feel to the close-miked guitar
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