ระบบเสียงสาธารณะ TOA DA-250DH

TOA DA-250DH

รหัส :  DA-250DH

TOA DA-250DH

2 Ch ดิจิตอล เพาเวอร์แอมป์ กำลังขับ Output 2x250 W@19.6Ω

เครื่องขยายเสียงTOA 250 วัตต์ 19.6Ω

Amplification System Class D

Power Consumption 120 W (based on UL/CSA standards)

580 W (rated output 70 V line, 19.6 Ω × 2)

Input 2 circuits, +4 dB* (1.23 V) (input level control in maximum position),

10 kΩ, electronically-balanced, removable terminal block (3 pins),

XLR-3-31 type connector

CH 1 mode ON/OFF switch (ON: PARALLEL, OFF: STEREO)

Rated Output 2 channels: 250 W × 2 (70 V line, 19.6 Ω)

1 channel (BRIDGE): 500 W × 1 (140 V line, 39.2 Ω)

M4 screw terminal, distance between barriers: 8.8 mm (0.35")

Frequency Response 20 - 20,000 Hz (±1 dB): HPF OFF/50 - 20,000 Hz (-3 dB, +1 dB): HPF ON

(selectable with the inner jumper)

Total Harmonic Distortion 0.1% (1 kHz), 0.3% (20 - 20,000Hz): HPF OFF

0.1% (1 kHz), 0.3% (100 - 20,000 Hz): HPF ON

Protection Circuit Protection against excessive current flow due to overload,

short circuit, unusual DC voltage output,

temperature rise at power amp. heat sink (100℃ or more (212゜F)),

temperature rise inside the unit (80℃ or more (176゜F))

S/N Ratio 100 dB (A-weighted)

Crosstalk 70 dB (A-weighted)

LED Indicator Power (blue) × 1, Input (green) × 2, Output (yellow) × 2, Peak (red) × 2,

Protect (red) × 2

Cooling Forced air cooling

Operating Temperature -10℃ to +40℃ (14゜F to 104゜F)

Operating Humidity 90% RH or less (no condensation)

Finish Panel: Aluminum, black, alumite Case: Plated steel sheet

Dimensions 482 (W) × 44 (H) × 401.8 (D) mm (18.98" × 1.73" × 15.82")

Weight 5 kg (11.02 lb)

Accessory Power cord (2 m (6.56 ft)) …1, Removable terminal plug (3 pins) …2,

Tamper-proof cap …2

Option Matching transformer: MT-251H