Instrukcja obsługi TOA DA-500F-HL
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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 Am p.
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
Efficency vs Output
Channel Separation
100
90
80
70
60
50
40
30
20
10
0
0 10 20 30 40 50
Output [%]
Efficiency [%]
60 70 80 90 100
4Ω
8Ω
4Ω
8Ω
1kHz
20kHz
20Hz
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1 1 10 100 1000
1kHz
20kHZ
20Hz
1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.1 1 10 100 1000
DA-550F
Frequency Responce Distortion (4 )Ω
Distortion (8 )Ω
2ch
3ch
4ch
-60
-65
-70
-75
-80
-85
-90
-95
100 1k 10k 100k
Frequency [Hz]
Output [dB]
Frequency [Hz]
Output [dB]
Power Output [W]
Output [%]
Power Output [W]
Output [%]
0
2
-2
-4
-6
-8
-10
-12
-14
-16
-18
10 100 1k 10k 100k
APPEARANCE AND DIMENSIONAL DIAGRAM
482 (18.98")
465 (18.31")
404.2 (15.91")
396.5 (15.61")
371.1 (14.61")
76.2 (3")
88.4 (3.48")
Rear View
Front View
Side View
482 (18.98")
465 (18.31")
404.2 (15.91")
396.5 (15.61")
371.1 (14.61")
Unit: mm
Unit: mm
76.2 (3")
88.4 (3.48")
Rear View
Front View
Side View
DA-550F
DA-500F-HL
MT-251H
• Capacity: 0W – 250W
• Primary Side: 100V line, 70V line
• Secondary Side: 100V line, 70V line, 50V line, 35V line
• Frequency Response: 30 – 18,000Hz (+0dB, –3dB)
• Connection Terminal: M3 screw terminal, distance between barriers: 6.6mm (0.26")
• Dimensions: 108 (W) × × 80 (H) 122 (D) mm (4.25" × × 3.15" 4.8")
• Weight: 2.4kg (5.29 lb)
Max. 80 (Max. 3.15")
4–5X7 (0.2" X 0.28")
97 (3.82")
108 (4.25")
66 (2.6")
94 (3.7")
122 (4.8")
Front View Side View
Unit: mm
Matching Transformer
Designed for use with the DA-500F-HL Multi-Channel Power
Amplifier (option), the MT-251H electrically isolates the high-
impedance speaker lines from the amplifier.
Specyfikacje produktu
| Marka: | TOA |
| Kategoria: | odbiornik |
| Model: | DA-500F-HL |
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