The professional’s choice in signal processing, A harman international company – dbx Pro 4820 User Manual
Page 2
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:
96 kHz
A/D Wordlength:
24 bits
D/A Performance
Dynamic Range:
112 dB unweighted, 115 dB A-weighted
Sample Rate:
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, <10 Hz- 50 kHz +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 Graphic and 9-band Parametric on each input
Range:
+/- 15 dB
Input Insert Processing:
Two selectable Insert Processing blocks per input
Type:
Noise Gate, Compressor, Auto Gain Control, De-Esser, Sub-Harmonic
Synth, Notch filters and Advanced Feedback Suppression
Input Delay Length:
Up to 682 mSec available
Routing/Mixing:
4-input mixer available at each output allowing any input to be sent or
mixed to any output
Output Insert Processing:
Two selectable Insert Processing blocks per output
Type:
Noise Gate, AutoWarmth
®
, Compressor, Auto Gain Control, Peak Limiter,
Sub-Harmonic Synth
X-Over Filter Configs:
1x1, 1x2, 1x3, 1x4, 1x5, 1x6, 1x7, 1x8, 2x2, 2x3, 2x4
2x5, 2x6, 2x7, 2x8, 3x3, 3x4, 3x6, 3x7, 4x4, 4x8
Types:
Bessel 6, 12, 18, 24, 36 and 48 dB per Octave
Butterworth 6, 12, 18, 24, 36 and 48 dB per Octave
Linkwitz-Riley 12, 24, 36, and 48 dB per Octave
Polarity:
Positive and Negative
Phase Control:
0 to -180 degrees in 5 degree increments
Output Delay Length:
1365 mSec shared between the outputs
Miscellaneous:
I/O Transformers:
Optional, Jensen
®
JT-11 & JT-123-dbx
CobraNet
®
I/O:
Optional
Control:
Ethernet, RS-232, Optional dbx ZC Wall Panels
Power Requirements:
100V to 240V 50/60Hz, 35 Watts
Dimensions:
3.5” x 19” x 12.15”
Weight:
11 lbs. (14 lbs. w/audio transformers)
Shipping Weight:
12.5 lbs. (15.5 lbs. w/audio transformers)
dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice.
FOR MORE INFORMATION CONTACT:
dbx Professional Products 8760 S. Sandy Pkwy. Sandy, Utah 84070
Phone (801) 568-7660 / Fax (801) 568-7662
[email protected] / http://www.dbxpro.com
A Harman International Company
The Professional’s Choice In Signal Processing
™