Dynacord DPA 4140 owner manual Performance Features, POWER AMPLIFIER DPA 4120 / DPA

POWER AMPLIFIER DPA 4120 / DPA 4140 OWNER'S MANUAL

DPA 4140

400 WATTS POWER AMPLIFIER

CLIPTEST

0dB

-13dB

READYSTANDBY

GROUND	PROTECT
FAULT

Performance Features

Power amplifier with 200 W or 400 W output power according to the IEC 283-3 standard within a 19“ - cabinet (3 HU) providing the following functions:

xsupported are 115/230V AC mains as well as 24V DC emergency power source

xpower amplifiers DPA 4120 providing 200 W or DPA 4140 providing 400 W output power, idling and short-circuit protection

xoutput transformer for balanced, floating 100 V speaker networks of optionally 70 V, 50 V or 4 ohms for low-impedance operation

xoptional input modules:

standard operation INPUT MODULE with level control, electronically balanced input and MONITOR output with optional transformer or

REMOTE MODULE for controlling and monitoring the PROMATRIX system, electronic level controls, electronically balanced input and MONITOR output with optional transformer

xintegrated stand-by power supply

xmains POWER ON/OFF switch

xground lift switch

xremotely controllable mains and battery operation with initial current inrush limiter

xpower-on switching noise suppression

xstatus-LED indicators for operation (READY), STANDBY, thermal overload (PROTECT) and occurrence of GROUND FAULT conditions at the power output

xfault message according to the IEC 849 standard

xTEST button to switch between system and average operation, respectively a RESET button to restart after the occurrence of ground fault conditions

xLED level meter instrument with a display range of -13 dB to 0 dB and CLIP

xintegrated relays for single call and obligatory reception

xactive, temperature controlled ventilation

xpilot tone and ground fault surveillance module according to the DIN/VDE 0800 standard (optional)

The extension-kit NRS 90208 (input transformer) has been integrated in the input module NRS 90222 starting with the serial number 10461 and in the input module NRS 90225 starting with the serial number 12339 and higher.

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