Features and Applications
Features
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Applications
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Product Details VIA2502
VIA2502 is a lightweight two-channel Class D amplifier for compatible BlacklineQ, CDD and legacy V.Series systems in small and medium installations or portable applications. Its published output is 2 × 1250 W into 2 ohms or 2500 W into 4 ohms bridged, providing 2500 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 published auto-sensing mains range is 100–240 V.
Explore the Martin Audio amplification at B-Star for the available system options.
Technical Specifications VIA2502
AMPLIFICATION AND PERFORMANCE |
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| TYPE | High current, high frequency switch-mode |
| POWER OUTPUT | 2 x 1250W into 2 ohms 2 x 800W into 4 ohms 2 x 450W into 8 ohms 1 x 2500W bridged into 4 ohms |
| GAIN | 32 dB (38 dB when bridged) |
| OUTPUT NOISE | -113dBA, referenced to max output (22kHz bandwidth) |
| FREQUENCY RESPONSE | <10Hz – >20kHz +/- 0.25dB |
| TOTAL HARMONIC DISTORTION | 0.003% typical, 1kHz @ 1W |
| SLEW RATE | > 80V per microsecond |
| DAMPING FACTOR | 120 ref 8 ohms |
INPUTS AND OUTPUTS |
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| ANALOGUE IN/LINK (4 CHANNELS) | 2 x female, 2 x male Neutrik™ XLR |
| ANALOGUE INPUT IMPEDANCE | 10kΩ Balanced |
| MAXIMUM ANALOGUE INPUT LEVEL | +20dBu |
| AMPLIFIER OUTPUTS | 2 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 | High-current, high-frequency switch-mode power supply |
| AC INPUT OPERATING RANGE | 100–240V ±10%, 45–65Hz |
| TOTAL SYSTEM EFFICIENCY | > 90% typical |
| MAINS CONNECTOR | 1 x Neutrik Powercon™ |
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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