Toa DA-250D, DA-250DH, DA-250F, DA-250FH, DA-550F Brochure

Human Society with

Sound & Communication

DA SERIES

MULTICHANNEL POWER AMPLIFIER

■ High-efficiency amplifier topology

• Class D design — 80 – 90% efficient!

• 60% lower power consumption than conventional amplifiers

■ Compact and lightweight

Only 6.6 kg (14.6 lb)!

DA-250F/FH (120V AC model)

■ Enhanced reliability for trouble-free operation

• Independent power supply for
each channel

• Allows uninterrupted operation
in the events a channel
should fail

■ Applications

• House of Worship • Presentation Room

• Restaurant • Fitness Club

• Sports Facility • Convention Center

• Bar/Lounge/Club • Boardroom

Conventional AB-class Amplifier

DA-250 Series

Efficiency vs Output

Efficiency (%)

Output (%)

100

90
80
70
60
50
40
30
20
10

0 2040 60 80 100

Wireless Microphone System

CD Player

DVD Player

Infrared Wireless Conference System

Wired Microphone

Digital Mixer

DA Series Amplifier

PC

Projector

Speakers

■ DA-250 Series

• DA-250F: 4 × 250W (4 ohms)/170W (8 ohms)

2 × 500W bridged mode (8 ohms)

• DA-250FH: 4 x 250W (High-Z)

2 x 500W (140V bridged)*

120V AC model only

• DA-250D: 2 x 250W (4 ohms)/170W (8 ohms)

1 x 500W bridged mode (8 ohms)

• DA-250DH:2 x 250W (High-Z)

2 x 500W (140V bridged)*

120V AC model only

■ DA-500 Series

• DA-550F: 4 x 550W (4 ohms)/350W (8 ohms)

2 x 1100W bridged mode (8 ohms)

• DA-500FH (220-240V AC model only)

4 x 500W (High-Z)

• DA-500F-HL (120V AC model only)

4 x 500W (High-Z)
2 x 1000W (140V bridged)

Conventional Amp.

DA-250F/FH Amp.

DA-500 Series Amp.

Total: 16,000W

41U

Total: 16,000W

21U

Total: 16,000W

19U

Power Amplifier

Power
Supply

Power supply from transformer

Conventional Amplifier

Power Amplifier

With built-in power supply

AC power supply

DA Series Amplifier

Power
Supply

Power
Supply

Power
Supply

Power
Supply