D-Class Power Amplifiers - EN 54-16 (DPAfour250)

Name: D-Class Power Amplifiers - EN 54-16 (DPAfour250)
Rating: 3 (12 reviews)

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DPAfour250
Security Amplifiers, EN 54-16 The DPAfour250 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:

• DPA four 250: 4 x 250 Watt class-D power amplifier.
It can be bridged into 2 x 500 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

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DPAfour250 Security Amplifiers, EN 54-16 The DPAfour250 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:
• DPA four 250: 4 x 250 Watt class-D power amplifier. It can be bridged into 2 x 500 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

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