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Appendix
A.1 - Specifications
Analog Inputs: (4)
Connectors: Female XLR
Type: Electronically balanced, RF filtered
Impedance: >50k ohms
Maximum Input Level: Software selectable for: +28, +26, +24, +22, +20, +18, +16, +14 dBu
CMRR: >40 dB typical, >55 dB at 1 kHz
Digital Inputs: (4) AES/EBU Channels
Connectors: Female XLR
Type: Transformer Isolated, RF filtered
Impedance: 110 ohms
RTA Input: (1) Analog
Connectors: Female XLR
Gain range: 20 dB to 50 dB in 10 dB increments
Analog Outputs: (8)
Connectors: Male XLR
Type: Electronically balanced, RF filtered
Impedance: 30 ohms
Max Output Level: Software selectable for: +24, +22, +20, +12, +8, +4 dBu
Digital Outputs: (8) AES/EBU Channels
Connectors: Male XLR
Type: Transformer Isolated, RF filtered
Impedance: 110 ohms
A/D Performance
Type: dbx Type IV™ Conversion System
Dynamic Range: 113 dB unweighted, 116 dB A-weighted
Type IV™ dynamic range: 126 dB with transient material, A-weighted, 22 kHz BW
123 dB with transient material, unweighted, 22 kHz BW
118 dB typical with program material, A-weighted, 22 kHz BW
Sample Rate: 48/96 kHz
A/D Wordlength: 24 bits
D/A Performance
Dynamic Range: 112 dB unweighted, 115 dB A-weighted
Sample Rate: 48/96 kHz
D/A Wordlength: 24 bits
System Performance
Dynamic Range: 110 dB unweighted, 113 dB A-weighted
Internal Processing: 32 bit floating point
THD + Noise: 0.004% typical at +4 dBu, 1 kHz, 0 dB input gain
Frequency Response: 20 Hz- 20 kHz, +/-0.25 dB, <10Hz - 50kHz +0/-3dB @ 96kHz
Interchannel Crosstalk: <-85 dB at 1 kHz, 0 dB input gain
Processing
Pre EQ Type: One 31-band Graphic EQ on each input One EQ that is switchable between
31-band and 9-band Parametric on each input
Range: +/- 15 dB
DriveRack
®
DriveRack
®
4800/4820 User Manual
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