dbx Pro 442 Stereo Equalizer User Manual


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Inputs
Number of Inputs: 4
Connectors: Female XLR
Type: Electronically balanced/RF filtered
Impedance: >40k
Ω
Maximum Input Level: Hardware selectable for +30, +22, +14, dBu
CMRR: >40 dB typical, >55 dB at 1kHz
Outputs
Number of Outputs: 4
Connectors: Male XLR
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
System Performance
Internal Wordlength: 48 bits
THD + Noise: 0.003% typical at +4dBu, 1kHz, 9dB input gain
Frequency Response: 20Hz- 20kHz, +/-0.5dB
Interchannel Crosstalk: <-85dB at 1kHz, 0dB input gain
EQ
Type: One 31-band Graphic EQ per input channel, or
9 band Parametric EQ per input channel
RTA can be substituted for EQ in channels 3 and 4
Range: +/-12 dB range
Notch Filters
Number: 4 fixed per channel
Delay
Length: 340ms/channel
Dynamics
Type: Compressor/Limiter with PeakStopPlus™
Attack/Release: Program Dependent
Linking: All 4 bands are linkable
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
ROM Upgrade: Flash upgradeable through RS-232
Power Requirements
Watts: 100-240V - 50/60 Hz - 35 Watts
Dimensions
Dimensions: Height- 3.5” X Width- 19” X Depth 12.15”
Weight 10 lbs.
Shipping Weight: 11.5 lbs.
DriveRack
Complete Equalization Management System
442
®
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
customer@dbxpro.com
http://www.dbxpro.com
A Harman International Company
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