Performance Features - Dynacord Power Amplifier DPA 4120 Owner's Manual

POWER AMPLIFIER DPA 4120 / DPA 4140

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:
supported are 115/230V AC mains as well as 24V DC emergency power source
power amplifiers DPA 4120 providing 200 W or DPA 4140 providing 400 W output power, idling and short-circuit
protection
output transformer for balanced, floating 100 V speaker networks of optionally 70 V, 50 V or
4 ohms for low-impedance operation
optional 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
integrated stand-by power supply
mains POWER ON/OFF switch
ground lift switch
remotely controllable mains and battery operation with initial current inrush limiter
power-on switching noise suppression
status-LED indicators for operation (READY), STANDBY, thermal overload (PROTECT) and
occurrence of GROUND FAULT conditions at the power output
fault message according to the IEC 849 standard
TEST button to switch between system and average operation, respectively a RESET button to restart after the
occurrence of ground fault conditions
LED level meter instrument with a display range of -13 dB to 0 dB and CLIP
integrated relays for single call and obligatory reception
active, temperature controlled ventilation
pilot 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.
4 0 0 WATT S P OW E R A M PL I FI E R
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OWNER'S MANUAL
DPA 4140
CLIP TEST
0dB
-13dB
READY STANDBY
GROUND
PROTECT
FAULT