Model

Items

HDA3

HDA2

HDA1

Features

1, Resonable Thermal And Construction Design

2, High Efficiency Aluminium Heat-sink

3, 5mm thick aluminium panel

4, High Power Transistor Direct Contact to Heat-sink

5, High Efficiency And Low Emission Toroidal Transformer

6, 3 steps Class H Linear Output Circuit

7, SMT manufacture technology.

Freq.  Response (At  1  Watt)

20Hz~20KHz,+/-0.5dB

S/N  Ratio, Unweighted

92dB

89dB

88dB

THD (At  Half  Rated  Power)

0.09%

Damping  Factor (8 ohm20-400Hz):

450

Crosstalk(Below -3dB Rated Power) 20Hz-1KHz

72dB

Gain (at max. Level,0.775V,+/-5%)

39.0dB

37.3dB

34.3dB

SlewRate(Below -3dB Rated Power)

30V/uS

Power Output

8 ohm  Dual

920W

690W

400W

4 ohm  Dual

1600W

1200W

700W

2 ohm  Dual

1900W

1500W

900W

8 ohm  Bridge

3200W

2400W

1400W

4 ohm  Bridge

3800W

3000W

1800W

Required  AC  Mains

110,220,240Vac  50~60Hz

Dissipation  Power  At  Idle

67W

Controls

Power

On-Off, On Front Panel

Level

-80dB~0dB, On Front Panel

Mode

Stereo-Parallel-Bridge, On Rear Panel

Sensitivity

1.4V-1.0V-0.775V, On Rear Panel

Ground Lift

On-Off, On Rear Panel

30Hz Low Cut

On-Off, on the rear panel

Indicators

Power

Green LED, On Front Panel

Signal

Green LED, On Front Panel

Protection

Red LED, On Front Panel

Clip

Red LED, On Front Panel

Bridge

Orange LED, On Rear Panel

Input/Output

Input  Connects

XLR-F, XLR-M Link To Next

Input  Impedance

10KΩ Unbalanced, 20KΩ Balanced

Output  Connectors

Speak on, Binding Post

Output  DC  Offset

3mV

Protection

Clip Limiter, Short Circuit, Thermal, DC Voltage, Soft Start, EMI Filter, Subsonic Signal, SSC, DRC,HF

Construction

Material

Steel Chassis and aluminium panel

Cooling

Force-Cooling System, Two Variable Speed Fans from front to back

Unit Dimensions

483*456*89mm

Packing Dimensions

580*570*130mm

Net  Weight

23.80KG

21.45KG

16.70KG

Shipping  Weight

28.50KG

25.10KG

20.35KG

AC Fuse

T20A250Vac

T15A250Vac

T10A250Vac

Accessories

Users Manual, Power Cord,