Toa DA-250F - Page 3

CHARACTERISTIC DIAGRAMS
APPEARANCE AND DIMENSIONAL DIAGRAM
THERMAL LOSS TABLES
OPTIONAL ACCESSORY
Unit: mm
• Capacity: 0W – 250W
• Primary Side: 100V line, 70V line
• Secondary Side: 100V line, 70V line, 50V line
• Frequency Response: 30 – 18,000Hz (+0dB, –3dB)
• Connection Terminal: M4 screw terminal, distance between barriers: 8.1mm
•Weight: 3.7kg
MT-250H
Matching Transformer
Designed for use with the DA-250FH Multi-Channel Power
Amplifier (option), the MT-250H Output Transformer electrically
isolates the amplifier and the high-impedance speaker system.
Rear View
401.4
394.1
Side View
44
6.1
31.8
482
465
Front View
Top View
Side View
Bottom View
100 V line
70 V line
50 V line
COM
COM
100 V line
70 V line
OUT
IN (0W – 250W)
60
131
116
Max. 80
Max. 140
(220-240V AC version)
Mode Model No. Load Btu/hr kcal/hr Efficiency(%)
Idle DA-250FH 100V × 4ch 257.9 65 —
DA-250F 8 Ω × 4ch 163.9 41.3 —
1/8 Power (pink noise) DA-250FH 100V × 4ch 496.0 125.0 46.2
DA-250F 8 Ω × 4ch 280.1 70.6 50.9
4 Ω × 4ch 423.0 106.6 50.2
1/3Power (pink noise) DA-250FH 100V × 4ch 540.0 136.1 67.8
DA-250F 8 Ω × 4ch 418.2 105.4 64.9
4 Ω × 4ch 606.3 152.8 65.2
Full Power (sin) DA-250FH 100V × 4ch 562.7 141.8 85.5
DA-250F 8 Ω × 4ch 442.4 111.5 83.1
4 Ω × 4ch 821.0 206.9 81.8
(120V AC version)
Mode Model No. Load Btu/hr kcal/hr Efficiency(%)
Idle DA-250FH 70V × 4ch 199.7 50.3 —
DA-250F 4 Ω × 4ch 193.6 48.8 —
1/8 Power (pink noise) DA-250FH 70V × 4ch 446.2 112.4 50.8
DA-250F 8 Ω × 4ch 317.9 80.1 49.2
4 Ω × 4ch 385.5 97.1 56.2
1/3Power (pink noise) DA-250FH 70V × 4ch 850.1 214.1 59.1
DA-250F 8 Ω × 4ch 417.9 105.3 66.2
4 Ω × 4ch 720.1 181.4 64.7
Full Power (sin) DA-250FH 70V × 4ch 688.1 173.4 86.2
DA-250F 8 Ω × 4ch 512.7 129.2 84.4
4 Ω × 4ch 1071.0 269.9 80.4
*Typical data