®
Range:
+/-15 dB range
Dynamics
Type:
Compressor/Limiter with PeakStopPlus™
Attack/Release:
Program Dependent
Linking:
All 8 bands are linkable
Post Delay (Driver Alignment)
Length:
170 ms per output channel
Pink Noise Generator
Position:
Pink noise inserted on selected input(s)
Phase Compensation
Number:
One per output channel
Amount:
0-180 degrees phase shift
Output Polarity:
Reversible
Miscellaneous
Output Transformers:
Optional
Network:
Proprietary RS-485 Backbone
GUI:
RS-232 interface for computer display and
configuration
Flying Fader Remote:
Optional dbx 480R
RTA Microphone:
Optional
ROM Upgrade:
Flash upgradeable through RS-232
Dimensions
Dimensions:
Height- 3.5” X Width- 19” X Depth 12.15”
Specifications ( 481 DriveRack™)
Inputs
Number of Inputs:
4 (Inputs 3 or 4 can be selected as an RTA mic input)
Connectors:
Euroblock
Type:
Electronically balanced/RF filtered
Impedance:
>40k
Ω
Maximum Input Level:
Hardware selectable for +30, +22, +14, dBu
Max input RTA Level:
-10 dBu
CMRR:
>40 dB typical, >55 dB at 1kHz
Input Gain Range RTA:
10 dB to 70 dB w/60 dB typical
Outputs
Number of Outputs:
8
Connectors:
Euroblock
Type:
Electronically balanced, RF filtered
Impedance:
120
Ω
Output Transformers:
Optional
Max Output Level:
+25.5 dBu into 1k
Ω
+22dBu into 600
Ω
A/D Performance
Type:
dbx Type IV™ Conversion System
Dynamic Range line:
>112 dB unweighted, 115 dB A-weighted
Type IV™ dynamic range:
127 dB with transient material,
A-weighted, 22kHz BW
125 dB with transient material,
unweighted, 22kHz BW
119 dB typical with program material,
A-weighted, 22kHz BW
Sample Rate:
48kHz
A/D Wordlength:
24 bits
D/A Performance
Dynamic Range:
112 dB unweighted, 115 dB A-weighted
Sample Rate:
48kHz
D/A Wordlength:
24 bits
Monitor Application Guide
DriveRack™
dbx
27
Summary of Contents for DriveRack
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