dbx Pro 4820 User Manual

®

Appendix 

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

®