
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