DRM 4000
 DRM 4000 - Call for pricing - Mixer & Router
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The DRM 4000 is a rack-mixer and/or audio signal router offering eight audio inputs and two audio outputs. The inputs are divided into 4 MIC/LINE channels and four AUX channels. Each input channel can be freely assigned to either one or both output channels, offering mono two-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 can be linked via an RS-485 remote-interface. Priority functions, preset switching and routing are easy to configure and operate.
The DRM 4000 Mixer & Router can also be used as a stand-alone unit for simple sound reinforcement tasks, e.g. in a multimedia set-up, as well as for straightforward paging installations. Typical applications include the use as a mixer for sound reinforcement systems in conference rooms, multipurpose facilities, clubs, restaurants, houses of worship, etc.
With the addition of the RS-232 interface card, the presets of the DRM4000 can be configured to a variety of different routing, level and page ducking settings. This greatly expands the flexibility of the unit and these settings can be remotely triggered by commands sent through the DPM 4000 ProAnnounce CPU.
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 a variety of background music and paging installations.
Features
- 4 XLR MIC/LINE input channels, 4 stereo RCA type AUX input channels
- Level and tone control (Lo/Hi) in all input channels
- Direct outputs for all MIC/LINE and AUX-channels
- Pre/Post internally configurable
- Priority control (ducking function) in the inputs MIC/LINE 1 and 2
- Limiter in the inputs MIC/LINE 1 and 2 with internally selectable threshold
- Separate summing controls for both outputs
- VCA’s in both output channels
- Remote control via 8 external contacts
- Optional RS-485 or RS-232 serial interface for connecting the DPM 4000 or a PC
| Specifications |
| Audio Inputs | MIC/LINE | AUX | MIX |
| Nom. Input Level | MIC: -60–-10 dBu / 0.8 mV–245 mV
LINE: -30–+20 dBu / 25 mV–7.75 V | -6 dBu resp. +4 dBu /
390 mV resp. 1.23 V | 0 dBu / 775 mV |
| Max. Input Level | MIC: +11 dBu / 2.75 V
LINE: +30 dBu / 24.5 V | +15 dBu resp. +25 dBu /
4.4 V resp. 13.8 V | +21 dBu / 8.7 V |
| Input Impedance | MIC: 3.6 kΩ - LINE: 10 kΩ | > 19 kΩ | 22 kΩ |
| Input CMRR | > 50 dB | | |
| Limiter Range | -10 dBu to +20 dBu | | |
| Audio Outputs |
| Nom. Output Level | 0 dBu / 775 mV | Output Impedance | < 100 Ω |
| Max. Output Level | +21 dBu / 8.7 V | Nom. Load Impedance | 600 Ω |
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| Frequency Response | 20 Hz–20 kHz (-1.0dB) | THD MIC/LINE | < 0.03% |
| Signal to Noise Ratio | > 100 dB | THD AUX | < 0.01% |
| Supply Voltage | 24 V DC (21.6–31.2 V DC) | Power Consumption (nom./max.) | (24 V) 700 mA / (24 V) 975 mA |
| Dimensions (HxWxD) | 4.4 x 48.3 x 36.0 cm
(1.75" x 19.0" x 14.2") | Weight | 4.7 kg (10.4 lbs) |
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DRM 4000 Specifications (pdf)