Professional Series Time Delay Synthesizer (1980-81)
The ATD-I recreates the ambience of a concert hall, permitting you to make an infinite combination of adjustments to duplicate virtually any acoustic environment.
Controls for three hall sizes, three levels of hall character, five intensities of reverberation, plus variable stage distance and out level controls.
Connects through either the tape or preamplifier outputs of your amplifier.
Delay time: 17 to 128mS
Decay time: 200 to 2000mS
Total harmonic distortion: 0.5% (delayed), 0.05% (main)
Dimensions: 482 x 70 x 330mm
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