ART / HVA4

This is a 4-channel high-impedance power amplifier from ART. Each channel is equipped with gain control and LED indicators (signal, clipping, and protection).

■ High-Impedance Power Amplifier

■ 4-channel

■ 100/70V Compatible

■ 4 x 135W

■ 1U

■ 6.2kg

■ Product Overview

This HVA4 is a Class D amplifier for installation use. It supports both 70V and 100V high-impedance operation (selectable via DIP switch). Each channel is equipped with gain control and LED indicators (signal | clip | protection). Input and output terminals are Euroblock. With 4 channels and a 1U size, it can be used in a variety of applications.


■Main Features

* High-capacity switching power supply enables low noise, low distortion, and high output.

* Protection functions for output short circuit, overheating, and power on/off mute.

* Limiter included.

* Euroblock input/output.

* Easy operation with front panel gain control.

* LED indicators (Signal | Clip | Protect) confirm operating status.

* Amplifier output can be remotely disconnected.

* Remote testing possible.

* Remotely checkable fault status indicator.

* 2-channel installation amplifier.

* 70/100V line operation.

* Output (70/100V): 4 x 135W

* 1U rack size.

* Class D amplifier with switching power supply.

■Specifications

* Output power (100V line): 1 channel operation: 150W x 2 | All channels operation: 135W x 4

* Output Power (70V Line): 1-Channel Operation: 150W x 2 | All Channels Operation: 135W x 4

* Input Sensitivity: 0.9-1.1V (±1dBV)

* Input Impedance: 20kΩ (Balanced), 10kΩ (Unbalanced)

* Frequency Response: 120 Hz?17 kHz (-3dB)

* Voltage Gain (100V): 40 dB

* THD+N: <0.1%

* S/N Ratio: >95 dB

* Crosstalk: <-70dB

* Damping Factor: >200

* Power Supply and Output Circuit: Switching Power Supply, Class D

* Power Supply: AC 100?240V, 50/60Hz

* Protection Circuit: Output Short Circuit | Internal Overheating

* Input/Output Terminals: Euroblock

? Controls: Front: Power switch, input level control for each channel | Rear: 70V/100V selector

? Indicators: Signal: Green LED | Clip: Red LED | Power: Green LED | Protection: Red LED | Test: Orange LED

? Dimensions: 483W x 44H x 360D mm

? Weight: 6.2kg