ART HVA1 2-Channel 150W 70V Amplifier
A 1U, 2-channel Class-D installation amplifier for 70V/100V distributed audio systems, with per-channel gain control and built-in protection circuitry.
| Channels | 2 |
|---|---|
| Power output | 150W (1 channel driven) / 135W per channel (both driven) |
| Line voltage | 70V / 100V (dip-switch selectable) |
| Amplifier class | Class-D |
| Rack format | 1U, 19-inch |
| Connectors | Euroblock input/output |
| Protection | Built-in limiter, short-circuit and thermal protection |
The HVA1 is a 2-channel, 1U rack amplifier built for distributed 70V/100V speaker lines in commercial installations — think overhead paging, background music zones, or classroom audio. Each channel has an independent front-panel gain control and status LEDs for signal presence, clipping, and thermal state, which makes it straightforward to diagnose a zone that’s underperforming without pulling the unit from the rack.
Because it operates on constant-voltage (70V/100V) lines rather than low-impedance speaker taps, installers can run many speakers off a single amplifier channel over long cable runs — a design pattern worth understanding before specifying speaker taps and wire gauge on a zoned install. The built-in limiter and short-circuit/thermal protection are useful safeguards in unattended installs where a shorted line shouldn’t take the whole zone offline.
Buy at AVShop.ca