A 4173A
PA Amplifier Stereo/Bridgeable 2x550W
Specifications
Power: 2 x 550W 8Ω, 2 x 800W 4Ω
Power (bridged): 1600W 8Ω
Output Connections: SPEAKON
Freq. response: 20Hz - 20kHz ±0.5dB
Input sensitivity: 0.77V
Input Impedance: 20k Ω/Balanced, 10k Ω/un-balanced
S/N Ratio: ≥95dB
THD: ≤0.03%
Crosstalk @ Rated Output/8kΩ/1kHz: >70dB
Damping Factor/8kΩ/1kHz: >240
Slew Rate: 15V/uS
Protection: Soft Start, Short Circuit, Limiter, DC Fault,
AC Line Fuse, Thermal Cut
Cooling System: Two Steps speed fan
Mains Power Supply: AC: 220-230V 50Hz/60Hz
Dimensions (mm): ≈ 482W x 430D x 88H
Net Weight: 10.5kg
Gross Weight: 12.5kg
Safety Instructions
Caution: To reduce the risk of electric shock, do not remove any parts.
No user serviceable parts inside. Refer servicing to qualified service
personnel only.
WARNING: To reduce fire or electric shock do not expose this appli-
ance to rain and moisture. Electrical equipment should never be kept
or stored in damp environments.
1. Read instructions before the product is connected and used.
2. Retain Instructions for future reference
3. Follow the warnings in instructions
4. Do not expose this appliance to heat sources such as radiators
5. The appliance should be placed so nothing interferes with its ventilation.
6. This appliance should be connected to a power supply thats suitable. Be sure
to connect the appliance to a mains power socket which features a protective
grounding connection.
