Description
31 band graphic or 9 band parametric equalizer, Dual Real Time Audio Analyzers
At the heart of the DriveRack® system is the 480. The 480 includes 4 inputs and 8 outputs which can be tailored for any configuration. By including every form of processing necessary to drive the signal from the mixer to the power amps, such as pre-crossover EQ, notch filters, speaker delay, multiple crossovers, speaker compensation equalizer, driver alignment delay, and compression/limiting, the 480 is truly the only box you'll need for any sound system application. Two real time analyzers can be run simultaneously with RTA source inputs capable of being remotely switched on the fly. The 480 is fully programmable from the front panel, with the 480R remote control, or through a computer via the GUI port.
Features
4 Inputs and Outputs with routing
31 band graphic or 9 band parametric equalizer on every input (pre-crossover)
Dual Real Time Audio Analyzers
Butterworth, Bessel or Linkwitz-Riley crossover filters
27 Different Crossover Configurations
Time Alignment and Transducer Alignment Delays
Compressor/Limiter on every output
Speaker Compensation EQ (post crossover)
Multi-level Security System
Separate House and Show EQ with individual lockout
Triple redundant back up of all parameters when running network, 480R and PC GUI
TYPE IV Conversion System
Electronically balanced/RF filtered XLR Inputs and Outputs
Proprietary RS-485 Control Network
RS-232 PC Interface for computer display and configuration
Features
4 Inputs and Outputs with routing
31 band graphic or 9 band parametric equalizer on every input (pre-crossover)
Dual Real Time Audio Analyzers
Butterworth, Bessel or Linkwitz-Riley crossover filters
27 Different Crossover Configurations
Time Alignment and Transducer Alignment Delays
Compressor/Limiter on every output
Speaker Compensation EQ (post crossover)
Multi-level Security System
Separate House and Show EQ with individual lockout
Triple redundant back up of all parameters when running network, 480R and PC GUI
TYPE IV Conversion System
Electronically balanced/RF filtered XLR Inputs and Outputs
Proprietary RS-485 Control Network
RS-232 PC Interface for computer display and configuration
Inputs
Number of Inputs: 4 (Inputs 3 or 4 can be selected as an RTA mic input)
Connectors: Female XLR
Type: Electronically balanced/RF filtered
Impedance: >40k ohm
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: Male XLR
Type: Electronically balanced, RF filtered
Impedance: 120ohm
Output Transformers: Optional
Max Output Level: +25.5 dBu into 1kohm
+22dBu into 600ohm
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, 0dB input gain
Frequency Response: 20Hz- 20kHz, +/-0.5dB
Interchannel Crosstalk: <-85dB at 1kHz, 0dB input gain
Pre 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: 1-5 per input channel not to exceed 10 for all input channels
Pre Delay
Length: 680ms/channel
Crossover: Type: 1x2, 1x3, 1x4, 1x5, 1x6, 2x3, 2x4, 2x5, 2x6, 2x7, 2x8, 3x4, 3x5, 3x6, 3x7, 3x8, 4x6, 4x8
Filter Type: Butterworth, Bessel, or Linkwitz-Riley
Slope: 6, 12, 18 or 24 dB/octave for Butterworth or Bessel filters, 12, 24, 36 or 48 dB/octave for Linkwitz-Riley filters
Post EQ
Type: Parametric
Number: 4 EQ bands per output channel
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
RTA Microphone: Optional
ROM Upgrade: Flash upgradeable through RS-232
Power Requirements: 100-240V - 50/60 Hz
Watts: 35 Watts
Dimensions (H x W x D): 3.5 x 19 x 12.15 in.
Weight: 11lbs.
Number of Inputs: 4 (Inputs 3 or 4 can be selected as an RTA mic input)
Connectors: Female XLR
Type: Electronically balanced/RF filtered
Impedance: >40k ohm
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: Male XLR
Type: Electronically balanced, RF filtered
Impedance: 120ohm
Output Transformers: Optional
Max Output Level: +25.5 dBu into 1kohm
+22dBu into 600ohm
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, 0dB input gain
Frequency Response: 20Hz- 20kHz, +/-0.5dB
Interchannel Crosstalk: <-85dB at 1kHz, 0dB input gain
Pre 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: 1-5 per input channel not to exceed 10 for all input channels
Pre Delay
Length: 680ms/channel
Crossover: Type: 1x2, 1x3, 1x4, 1x5, 1x6, 2x3, 2x4, 2x5, 2x6, 2x7, 2x8, 3x4, 3x5, 3x6, 3x7, 3x8, 4x6, 4x8
Filter Type: Butterworth, Bessel, or Linkwitz-Riley
Slope: 6, 12, 18 or 24 dB/octave for Butterworth or Bessel filters, 12, 24, 36 or 48 dB/octave for Linkwitz-Riley filters
Post EQ
Type: Parametric
Number: 4 EQ bands per output channel
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
RTA Microphone: Optional
ROM Upgrade: Flash upgradeable through RS-232
Power Requirements: 100-240V - 50/60 Hz
Watts: 35 Watts
Dimensions (H x W x D): 3.5 x 19 x 12.15 in.
Weight: 11lbs.
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