1. INTRODUCTION
First of all, we like to thank you for and congratulate you on buying a DYNACORD DRM 4000 8-in-2 Audio
Mixer & Router. To ensure optimal performance and to minimize the risk of damaging the appliance
through erroneous operation, please make sure to read this owner’s manual carefully before operating
the DRM 4000.
1.1 DRM 4000 CHARACTERISTICS
The DRM 4000 is a rack-mixer and/or audio signal router offering 8 audio inputs and 2 audio outputs. The
inputs are divided into 4 MIC/LINE channels and 4 AUX channels. Each input channel can be freely
assigned to either one or both output channels, offering Mono 2-Channel operation as well as Stereo
operation modes.
The DRM 4000 can be used as a pre-mixer for the DPM 4000, expanding the amount of available input
channels. DRM 4000 and DPM 4000 are linked via remote-interface. Priority functions, preset switching
and routing are easy to configure and operate. The DRM 4000 Mixer & Router can also be used as
stand-alone unit for simple sound reinforcement tasks, e.g. in a multimedia set-up, as well as for
straightforward intercom installations.
Field of Application
•
Pre-mixer to the DPM 4000 for connecting several switchable audio signal sources and microphones
with priority or mixing function
•
Mixer for sound reinforcement systems in conference rooms, multi-purpose halls, congregation halls,
gastronomy, houses of worship, etc.
•
Straightforward calling systems with the ability for background music playback
Characteristics
•
4 MIC/LINE input channels: XLR, electronically balanced, transformer optionally available.
•
4 AUX input channels: each with 2 RCA-type connectors.
•
Volume and tone control (Lo/Hi) in all input channels.
•
Signal / Peak LEDs (green / red) for monitoring the input level in all input channels.
•
Input channels can be freely assigned to the output channels, controlled via control contacts, optional
RS-232 interface or from the DPM 4000.
•
Direct outputs for all MIC/LINE and AUX-channels. Pre/Post internally configurable.
•
Frontal connections: 1 MIC/LINE input (XLR) and 1 AUX-input (2 x RCA-type) connected parallel to
MIC/LINE1 and AUX1.
•
Priority control (ducking function) in the inputs MIC/LINE 1 and 2; controllable via external contacts,
signal level with adjustable threshold (on the front) or via remote control, indicated via LED’s on the
front panel.
•
Limiter in the inputs MIC/LINE 1 and 2 with internally selectable threshold.
•
2 audio outputs: XLR, electronically balanced, transformer optionally available.
•
Separate summing controls and LED-chains for both outputs.
•
VCA’s in both output channels. 2 VCA control inputs A / B for remotely controlling the volume setting
via external potentiometer, also controllable via serial interface (PC, DPM 4000, media-control) or via
control contacts.
•
Mix-input for external feeds / extension: 2 x RCA-type, unbalanced, with level control on the rear panel
•
Send-output for recording / extension: 2 x RCA-type, unbalanced.
•
Remote control via external contacts: 8 freely configurable control inputs for ducking MIC/LINE 1 and
2, Preset switching, routing, volume switching, mute.
•
Optional serial RS-232 interface for PC or media-control: Direct control of all routing possibilities, output
level control, configuration and storing of presets and the preset switching.
INTRODUCTION
1-4