Penton UK's DPAfour 125 Digital Power Amplifier

Description

DPAfour125-Security Amplifiers
The DPAfour125 is a 2U high 19” rack mountable 4-channel class-D power amplifier transformer isolated for 100 V 70 V 50 V and low-impedance distributed loudspeaker systems. Each amplifier can deliver up to 1000 Watt when used in bridged mode or in separate channels of 125 or 250 Watt.

This amplifier has a dual voltage mains 110/230 VAC and a 24 VDC battery back-up input which allows it to be used in combination with a battery backup system for maximum availability and durability in an emergency evacuation system. There are 3 types of power amplifiers available in the DPA four range of products.

Features
•DPAfour125: 4 x 125 Watt class-D power amplifier.
It can be bridged into 2 x 250 W.
•2U high 19-inch rack mountable.
•Quiescent curent in sleep mode: 30 mA.
•Front panel indicators include:
•General status: Power Battery Service and General Fault.
Detailed status: Signal Clip Fault and Ready (Ready = out of sleep mode).
•100 / 70 / 50 / 4 Ohm available via terminal blocks at the rear.
•Output channels can be linked into 2 x 250 W or 2 x 500 W by daisy-chaining 50 V tapping (input on parallel).
•Combines with the BECS150 charger and back-up supply

At the rear of the DPA you will find:
• Mains switch with fuse
• Individual level adjusters
• General fault contact (Dry contact)
• Commercial use disabled contact
• Lamp test input contact