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Specifications, Quadra/fx specifications – ART Pro Audio Quadra/Fx - Two Channel Effects Processor User Manual

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Quadra/FX Specifications:

A/D converters:

20 bit, 64 times oversampled, delta sigma, X4

D/A converters:

20 bit, 128 times oversampled, delta sigma, X4

Sample Rate:

46.875 kHz

Bandwidth:

10 Hz – 20 kHz +0, -2 dB

Dynamic Range:

>93dB

Total Harmonic Distortion:

< .01% @ 1kHz

Audio In/Out:

¼” unbalanced, +4 / -10 dB switchable levels,
>50k ohms input impedance, <750 ohms output impedance

Maximum Delay Time:

5.5 seconds (2.75 seconds X2, in Stereo)
Up to 1.3 seconds per channel in Discrete 4, Twin Stereo, and

Cascade

DSP:

ALU processing 24 MIPS min., 36MIPS avg., and 48MIPS peak
24 bit X 24 bit Multiplier
56 bit internal accumulator
Proprietary Dynamic Engine Allocation (DEA™) software
maximizes DSP algorithms in all routings.

Effect Routing Combinations:

10,000 in Discrete 4 routing mode
144 in Twin Stereo mode
144 in Cascade mode
12 in Stereo mode

10,300 Total

Effects Algorithms:
Stereo, Twin Stereo, Cascade modes:

24 reverb, 6 delay, 6 pitch transpose, 6 chorus,
6 flanger, 6 phaser, 6 rotary, 6 tremolo, and 6 panner.
(72 Total)

Discrete 4 mode:

24 reverb, 6 delay, 5 pitch transpose, 5 chorus,
5 flanger, 5 phaser, 5 tremolo
(60 Total)

MIDI:

MIDI In and Out, full parameter control,
Up to 16 controllers per preset

Other features:

Audio, front-panel encoder switch, and MIDI can be used to:
Trigger sweeps, repeat hold and tap in delay times, spin the rotary
up and down, gate and fade effects, and gate and dynamically
regenerate reverbs

A reverb click is also available via the front panel encoder switch

Display:

3-digit numeric plus a 44 LED multifunction display system

Power requirements:

9 Volts AC @ 450 milliamps, external supply

Designed and manufactured in the United States of America.