TOA DA-550F Brugsanvisning
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DA-550F/500F-HL
Multi-Channel Digital Power Amplifiers
DESCRIPTION
FEATURES
The TOA DA-550F and DA-500F-HL multi-channel power amplifiers offer a wider choice of power ratings, advanced Class D
amplification circuitry, and a highly efficient AC mains to output power ratio, for the complete technological superiority it takes to
support long-term installation applications. These energy-efficient, space-saving amplifiers are designed to combine high levels of
performance and efficiency, and are well-suited to ensure sound reinforcement reliability in a wide range of venue types. The
DA-550F is ideal for multi-zone applications such as presentation and press-conference rooms, restaurants and similar-sized
locations. The DA-500F-HL is well-suited to such locations as exhibition halls, sports facilities, multipurpose halls and houses of
worship.
DA-550F
DA-500F-HL
• High efficiency
Extremely high amplification efficiency of 80-90%, resulting in reduction in power
consumption by more than 60% compared with Class-AB amplifiers.
• Highly durable
Stands up to extended hours of operation. The DA amplifier has undergone a large
number of rigorous tests to prove its durability. In addition,TOA has been conducting
a “non-stop driving test” of the DA Series.
• High reliability
The DA amplifier has a comprehensive protection circuitry for protection against excessive
current flow due to overload, short circuit, unusual DC voltage output, and power amplifier
heat sink temperature rise ( over 100°C), power supply temperature rise (over 80 C).°
• Amplifier with world-class lightweight design*
Installation has become much easier thanks to the lightweight design.
*TOA comparative data (weight/watt)
• Compact design
The DA-500 Series is 2-unit size, and they can be efficiently mounted on a rack, so they
require only a small installation space. Because the amplifiers do not generate much
heat, 5 units can be stacked together in a rack.
• Independent power supply
Each of the channels has its own power supply. If the power supply of Channel 1 should
fail, this won't affect the operation of Channels 2-4. It is also possible to use one of the
channels as a spare amplifier.
Conventional AB-class AmplifierDA Series Amplifier
Efficiency (%)
Output (%)
100
90
80
70
60
50
40
30
20
10
0 20 40 60 80 100
Conventional Amp.
DA-500 Series Amp.
Total: 16,000W
41U
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
Problemløsning TOA DA-550F
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Specifikationer
| Vekselstrømsindgangsspænding: | 220-240 V |
| Bredde: | 482 mm |
| Dybde: | 404.2 mm |
| Højde: | 88.4 mm |
| Vægt: | 9000 g |
| Produktfarve: | Sort |
| Opbevaringstemperatur (T-T): | 0 - 90 °C |
| Strømforbrug (typisk): | 2750 W |
| Driftstemperatur (T-T): | -10 - 40 °C |
| Kabler inkluderet: | Vekselstrøm |
| Materiale: | Aluminium,Steel |
| Frekvensområde: | 20 - 20000 Hz |
| Forbindelsesteknologi: | Ledningsført |
| Lyd-output kanaler: | 4.0 kanaler |
| LED-indikatorer: | Ja |
| Kabellængde: | 2 m |
| klirfaktor (THD): | 0.15 % |
| Signal/støjforhold: | 100 dB |
| Forstærker klasse: | D |
| Spidseffekt pr. kanal: | 1100 W |
| XLR indgang: | Ja |
| Output impedans: | 8 ohm (Ω) |
| Indgangsimpedans: | 10000 ohm (Ω) |