DA250FH Quad Digital Power Amp 4x250W 100V 1U

TOA DA250FH Quad Digital Power Amp 4x250W 100V 1U - Main Image

Price:: RRP: £1,794.00 inc VAT
Code:: TOADA250FH
Manufacturer Code:: DA-250FH
Brand:: TOA

Main Features

High-efficiency amplifier topology
Amplifier design optimized for installed sound applications
Easily accommodates high power requirements
Versatile enough for any venue
Compact dimensions facilitate installation
Enhanced reliability for trouble-free operation

The new DA Series digital multi-channel amplifiers are the latest addition to the TOA line of industry-standard audio products for installed sound. The DA Series is ideal for multi-zone distributed speaker systems and professional sound applications.

Engineered with Class D technology, the new DA Series amplifiers operate at 85 percent efficiency and consume almost one-third less power than conventional analog amplifiers. The compact and lightweight (14.6 lbs.) single rack-space design and ultra-low heat dissipation allow designers to rack-mount up to five units without open space between units.

The first phase of the DA Series is comprised of two models; the high-impedance DA-250FH provides four 100 Volt output channels of 250 Watts. The low-impedance model DA-250F provides four channels of 250 Watts at four ohms or two channels of 500 Watts at eight ohms in bridged mode. Additional models are scheduled to be launched in 2007.

Equipped with an independent power supply for each channel, the new multi-channel amplifiers offer unmatched reliability and performance. Other features include recessed stepped attenuators for precise gain calibration, removable dust filters for easy maintenance, and optional isolation transformer.

Product Features

4x 250W (4 ohms)
Limiter and High pass filter
Class D design – 85% efficient!
30% lower power consumption than conventional amplifiers
Compact, single rack-space design
Stack up to 5 units without open spaces between units
Lightweight (14.6 lbs.)
Independent power supply for each channel
Low heat dissipation
Recessed stepped attenuators
Comprehensive protection circuitry
Removable dust filters for easy maintenance
Optional 250W isolation transformer, model MT-250H (DA-250FH only)

Product Specifications

General

Power Source: 120 V AC, 50/60 Hz
Amplification System: Class D
Power Consumption:
- 200 W (based on UL/CSA standards)
- 1200 W (rated output 70 V line, 19.6 Ω × 4)
Input:
- 4 circuits
- +4 dB* (1.23 V) (input level control in maximum position)
- 10 kΩ, electronically-balanced, removable terminal block (3 pins)
- CH 1 mode ON/OFF switch (ON: CH 1 to All ch, OFF: Each ch)
Rated Output:
- 4 channels: 250 W × 4 (70 V line, 19.6 Ω)
- 2 channels (BRIDGE): 500 W × 2 (140 V line, 39.2 Ω)
- M4 screw terminal, distance between barriers: 8.8 mm
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 (110℃ or more), temperature rise inside the unit (80℃ or more)
S/N Ratio: 100 dB (A-weighted)
Crosstalk: 70 dB (A-weighted)
LED Indicator:
- Power (blue) × 1
- Input (green) × 4
- Output (yellow) × 4
- Peak (red) × 4
- Protect (red) × 4
Cooling: Forced air cooling
Operating Temperature: -10℃ to +40℃
Operating Humidity: 90% RH or less (no condensation)
Finish:
- Panel: Aluminum, black, alumite
- Case: Plated steel sheet