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EV DX38 - Signal Processor Zoom

EV DX38 - Signal Processor

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Electro-Voice Two-In-Four-Out Loudspeaker Processor

Availability: In stock

£1,429.00
EV

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Product Description

Details

EV DX38 - Signal Processor

The Dx38 is a two-in, four-out loudspeaker processor. A dynamic range of 115 dB, for highest audio performance; 48-bit filter algorithms 24-bit A/D and D/A conversion. Real-time control and configuration via front panel or PC interface with RACE software supplied. RS-232, MIDI interfaces are standard. RS-485 bus for networking is optional. Contact-closure interface is optional.

Specifications
Input Impedance (balanced) 20 k?
Control Protocol RS232, MIDI, RS485 (optional)
Weight Net 5 kg ( 11.02 lbs )
Dimensions (HxWxD) 43.6 x 483 x 374 mm (1.72" x 19.02" x 14.72")

Providing 48-bit filter algorithms, 24-bit AD/DA conversion and a dynamic
range of 115 dB, the Dx 38 sets new standards for digital loudspeaker
controllers and processors. The Dx 38 is an universal Digital
Sound System Processor that provides 2 inputs and 4 outputs; plus
internal summing of the inputs 1 and 2. Via matrix it is possible to assign
the outputs to any input or to the sum of the inputs. It is further possible
to establish the following configurations: Stereo or Dual 2-Way systems,
3-Way + Direct and 4-Way systems, each with Mono Sub-channel,
but also full range systems.

High and low-pass filters are provided for the frequency crossover
functions in all operation modes. The selection includes Linkwitz-Riley,
Butterworth and Bessel type filters with switchable slopes between 6,
12, 18 and 24 dB/oct. A huge number of additional filters offers
extremely flexible correction of the frequency response. Each input
incorporates a 5-band equalizer, allowing to assign high and low-pass,
high and low-shelving or parametric peak-dip filters to its individual filter
sections. Next to the frequency crossover filters, four additional filters
are employed in each output channel, which also can be set to work as
high or low-pass, high or low-shelving filters, parametric peak-dip filters,
or all-pass filters. Additional filtering is provided through 2. order
high-passes for the realization of B-6 alignment, or special LPN-filters
(Low-Pass Notch filters) for correcting the frequency and phase responses
of optimally vented woofer cabinets. Each channel additionally
provides a delay, a polarity switch, a programmable level control and
a digital compressor / limiter while the master delays are located in the
input channels.

The user can choose between three operation modes: the "No Edit
Mode? allows to simply select the required combination of loudspeaker
systems from the factory preset program list. Afterwards, the appliance
is optimally matched to the sound system and can be operated
instantly. The "Standard Edit Mode? also uses a pre-set basic program
but with the exception that here, the user has access to the selected
amount of parameters. The "Full Edit Mode? on the other hand offers
access to all parameters, allowing to freely program and store basically
any setting. A total number of 80 memory addresses - 50 preset and
30 freely assignable user-programs - are available.

Within the Dx 38, AD/DA conversion is taken care of by linear 24-bit
converters; where the AD-section employs 128 times oversampling,
gain-ranging Sigma-Delta converters. The DA-section offers 128 times
oversampling Sigma-Delta converters. The overall signal processing is
performed by two 24-bit Motorola signal processors.


Additional features are:
- FLASH memory for software and preset updates via serial interfaces
- PC-based operation and configuration software running under Windows '95 / Windows '98
- Standard MIDI-interface
- RS-232, RS-485 interfaces or switching contacts optionally available
- Back-lit graphic-display with 122 x 32 dots
- Inputs and outputs are electronically balanced, XLR-type connectors
- Input transformer-balancing is optionally available
- Input / Output level controls, Output-Mute switch, channel function indicators SUB, LO, MID, HI
- Input / Output meter instruments, compressor and clipping LEDs

 

Additional Information

Additional Information

Manufacturer EV
Specification

Mains voltage 90 - 250 V AC / 50 - 60 Hz 
Power consumption 20 watts 
Safety class I
Inputs 2 x XLR IN, electronically balanced, transformer optional available 2 x XLR OUT (Direct Out) 
Input voltage (nominal) 1.55 V / + 6 dBu 
Max. input voltage 24.5 V / + 30 dBu 
Input impedance 20 kohms 
Common mode rejection > 40 dB 
AD-conversion 24-bit, Sigma-Delta, 128 times oversampling, linear phase
Outputs 4 x XLR OUT, electronically balanced 
Output voltage (nominal) 1.55 V / + 6 dBu 
Max. output voltage 8.7 V / + 21 dBu 
Output impedance < 100 ohms 
Min. load impedance 600 ohms 
DA-conversion 24-bit, Sigma-Delta, 128 times oversampling
Frequency response 20 Hz - 20 kHz (- 0.5 dB) 
S/N ratio 115 dB (typical) 
Distortion without transformer < 0.01 % 
Distortion with transformer < 0.05 %
Frequency crossovers 6, 12, 18, 24 dB/oct. slope; Butterworth, Bessel, Linkwitz-Riley
Filters 26 parametric equalizers Low-Shelving equalizer, LPN (Lowpass-Notch) switchable Hi-Shelving equalizer, 6 / 12 dB slope switchable, Lo-Cut filter (B-6 alignment switchable), Hi-Cut filter, All-Pass filter
Compressor / limiter 4 digital compressors / limiters 
Delay 3 master delays (2 ms - 900 ms) 4 channel delays (0 ms - 900 ms) delay-increment 21 æsec.
Data format 24-bit linear AD / DA conversion, 48-bit processing 
Sampling rate 48 kHz 
MIDI IN / OUT / THRU Data Dump, Master / Slave operation/ Remote Control 
Display 122 x 32 Dots, graphic LC-Display with LED-background lighting 
Dimensions 483 x 43.6 x 374 (WxHxD in mm), 19", 1 HU 
Weight 5 kg / 11 lbs 
Locking function protection against inadvertent operation via function-lock
Accessories PA 1 plexiglas cover 1 HU 
Options NRS 90244 Input transformer 
NRS 90243 RS-232 interface 
NRS 90247 RS-485 interface 
NRS 90246 Contact Closure interface

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