dbx Pro 4800, 4820 manual AppendixDriveRack, Specifications

AppendixDriveRack®

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

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68 DriveRack® 4800/4820 User Manual