Features and Applications
Features
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Applications
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Product Details VIA2004
VIA2004 is a lightweight four-channel Class D amplifier for ADORN, CDD and O-Line installations in bars, auditoriums and worship spaces, as well as portable reinforcement and clubs. Its published output is 4 × 500 W into 4 ohms, providing 2000 W total in the stated configurations.
The efficient output stage and switch-mode supply reduce mains demand and rack weight. A variable-speed fan cools the amplifier from front to back, while signal and clip-limiter LEDs show operating status.
Protection circuitry continuously monitors performance. Martin Audio specifies operation at full output in ambient temperatures up to 40°C, within the published installation and electrical requirements.
DX0.4 or DX0.6 provides the external loudspeaker processing for suitable installations and portable systems. DX4.0 adds networked control through VU-NET for larger configurations. The DX4.0/VIA2004 combination also provides a scalable-resolution platform for installed O-Line arrays.
Explore the Martin Audio amplification at B-Star for the available system options.
Technical Specifications VIA2004
AMPLIFICATION AND PERFORMANCE |
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| TYPE | Four-channel Class D amplifier |
| POWER OUTPUT | 4 x 500W into 4 ohms 4 x 250W into 8 ohms |
| GAIN | 32 dB |
| FREQUENCY RESPONSE | 20Hz – 20kHz +/- 0.45dB, 4 ohm load |
| TOTAL HARMONIC DISTORTION | 0.003% typical, 1kHz @ 1W |
INPUTS AND OUTPUTS |
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| ANALOGUE IN/LINK (4 CHANNELS) | 4 x female, 4 x male Neutrik™ XLR |
| ANALOGUE INPUT IMPEDANCE | 5 kΩ typical, balanced |
| MAXIMUM ANALOGUE INPUT LEVEL | +20dBu |
| AMPLIFIER OUTPUTS | 4 x Neutrik Speakon™ NL4 |
POWER SUPPLY AND COOLING |
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| COOLING | Vari-speed fans, front-to-back airflow |
| MAXIMUM AMBIENT TEMPERATURE | 40°C (105°F) |
| POWER SUPPLY TYPE | 2 high-current, high-frequency switch-mode power supplies |
| AC INPUT OPERATING RANGE | 100–240V ±10%, 45–65Hz |
| MAINS CONNECTOR | 1 x Neutrik Powercon™ |
| TOTAL SYSTEM EFFICIENCY | 89% (4 x 250W into 8 ohms) |
DIMENSIONS AND WEIGHT |
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| DIMENSIONS | (W) 482 x (H) 2U/88mm x (D) 441mm (W) 19in x (H) 2U/3.5in x (D) 17.4in incl handles and optional rear support |
| WEIGHT | 8kg (17.6lbs |
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