dB MPA- 504 power amplifier

Pure sound with superb reliability. These power amplifiers are loaded with features, know-how, and high-tech components. including MOSFET design, conservative power supply with toroid power transformer. Soft-Start Logic, single PCB-design, full protection circuitry, processor-controlled thermal management, SPEAKON-4 output connectors and a Groundy-Lift switch to name but a few.
STEREO 4ohms 2X 250W RMS
8ohms 2X 180W RMS
BRIDGED 8ohms 500W RMS
PARALLEL 2ohms 500W RMS
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Frequency Response 20 Hz 20 kHz (-0.2 dB)
10 Hz 60 kHz (-3 dB) 
THD+N > 0.05% @ 10kHz
> 0.1% @ 20kHz 
SMPTE IMD > 0.03% max power (4 W) 
Damping Factor >200:1 (8 W) 
Slew Rate 30V/uS 
Signal to Noise ratio >98 dB "A" Weighted 
Crosstalk >55 dB @ 1kHz 
Input Sensivity 0dBm (0.775 Vrms) for rated power (4 W) 
Input Impedance 20KW balanced
10KW unbalanced 
Protection device Temperature, DC RFI
Short circuit, Soft-Start
Thermal Power Transformer 

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Input connectors
(Per channel) XLR, Phone Jack 6.3 mm 
Output Connectors 
(per channel) SPEAKON 4-way 
Cooling 1 two-speed fan 
Front Panel Controls 2 Level Attenuator mains Switch 
Rear Panel Controls Signal Ground/Lift Switch
Mode Select Switch 
Indicators (per channel)
Indicators Signal, Peak, 
On, High Current,
High Temperature 
Power Supply 120 V 60 Hz (8A Max)
230 V 50 Hz (4A Max) 
Dimension (HxWxD) 88 x 482 x 310 mm 
Rack Height 2U 
Net Weight 13 KG