Features and Applications
Features
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Applications
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Product Details DX4.0
DX4.0 combines a four-input, eight-output loudspeaker controller and system matrix. Its converters and DSP run at 96 kHz, supporting the nominally flat response beyond 40 kHz described by Martin Audio.
Ethernet provides VU-NET remote control and monitoring, while the front panel gives local access. Four analogue/AES3 inputs and eight analogue/AES outputs are available, with AES3 connections selected in pairs.
Dante supports network-audio distribution with automatic fallback to analogue or AES3. Incoming analogue or AES audio can also be converted to Dante, allowing the controller to serve as a network-audio entry point and a front-of-house matrix feeding iKON amplifiers.
Each input offers high-pass filtering, three shelving filters and six parametric filters. Outputs provide crossover filtering, two shelving filters and eight parametric filters, alongside the specified delays and all-pass facilities. The limiter suite combines peak, RMS and excursion protection with multiband limiting for passive two-way loudspeakers; this is the basis of the published VX limiting feature.
FIR filters support O-Line optimisation. DX4.0 also works with U-Hub to deliver digital audio and network data to a supported MLA array or subwoofer array over one cable. The published global mains range is 100–240 V, 50/60 Hz.
Explore the Martin Audio system controllers at B-Star for the available system options.
Technical Specifications DX4.0
SYSTEM AND SIGNAL PERFORMANCE |
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| TYPE | 4 input/8 output digital loudspeaker processor |
| INPUT IMPEDANCE | >10kΩ balanced |
| OUTPUT IMPEDANCE | <100Ω balanced |
| MAXIMUM INPUT LEVEL | +20dBu |
| MAXIMUM OUTPUT LEVEL | +18dBu into a 600Ω load |
| FREQUENCY RESPONSE | 10Hz – 40kHz |
| INPUT DYNAMIC RANGE | >120dBa typ. |
| OUTPUT DYNAMIC RANGE | >118dBa typ. |
| TOTAL HARMONIC DISTORTION | <0.008% typ. 20Hz-20kHz |
DIGITAL SIGNAL PROCESSING |
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| SAMPLE RATE | 96kHz |
| AES3 INPUT SAMPLE RATE | 28kHz – 108kHz |
| AES3 OUTPUT SAMPLE RATE | 96kHz |
INPUTS, OUTPUTS AND CONTROL |
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| CONTROL PROTOCOL | Ethernet |
| CONTROL APPLICATION | Martin Audio VU-NET™ |
| AUDIO INPUTS | 4 x 3 pin female XLR for analogue or AES3 pairs |
| AUDIO OUTPUTS | 8 x 3 pin male XLR for analogue or AES3 pairs |
| ETHERNET | 1 x shielded RJ45 |
| DANTE NETWORK | 2 x shielded RJ45, primary and secondary |
| AUX PORT | Phoenix connector for contact closure |
POWER SUPPLY AND OPERATING CONDITIONS |
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| OPERATING TEMPERATURE | 0 to 45°C |
| OPERATING HUMIDITY | 0 to 80% RH (non-condensing) |
| AC INPUT OPERATING RANGE | 100–240V ±10% |
| POWER CONSUMPTION | 30W |
| POWER SUPPLY | 3-pin IEC |
DIMENSIONS AND WEIGHT |
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| DIMENSIONS | (W) 482mm x (H) 1U/44mm x (D) 184mm (W) 19in x (H) 1U/1.75in x (D) 7.2in |
| WEIGHT | 2.7Kg (6lbs) |
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