ART HVA4

HVA4 4-Channel 270 W Power Amplifier

The HVA4 is a four-channel Class D amplifier for 70V and 100V installations that delivers 270 watts per channel.

Each channel has an independent volume control and status LEDs to indicate signal activity, clipping, and thermal protection. With a robust feature set in a 1U rackmount enclosure, the HVA4 offers a built-in limiter, an internal fan, and Euroblock connectors for audio, status, and control signals.

Features

• 4-Channel Class D Power Amplifier

• Switchable 70 V / 100 V Operation

• 270 W per Channel

• Euroblock Connectors

• Built-In Limiter

• Short Circuit, Thermal, and Power On / Off Muting Protection

• 1U Rackmount

Thanks to its 4-channel/2-channel design, it is possible to separate 4 or 2 zones with different audio sources or to use the same audio on all zones.

Specifications

Amplifier class Switching power, Class-D Input/Output

Connections Euroblock Frequency Response (Hz CM +/- 1dB) 120 Hz - 17 kHz (-3dB) THD <0.1% Damping Factor (30 Hz - 400 Hz AT 8 Ohms) >200 Crosstalk (1kHz / 20Hz-20kHz) >70 dB

Input Impedance - Bal/Unbal (Ohms) 20 k Ω (balanced) 10 k Ω (unbalanced) Input

Sensitivity (Vrms) For Full Power Out 0.9-1.1 V ( 0+/-1 dBV )

Protection Short circuit, open circuit, thermal, ultrasonic and RF

Other Features Front: AC switch, Input level control for each channel Rear: 70 V / 100 V selector

Dimensions 48.3 cm x 4.4 cm x 3.60 cm

Weight 6.2 kg

Specifications subject to change without notice