Front End Audio has teamed up with RME to offer some fantastic deals on select factory direct B-Stock products! This RME DMC 842 was deemed as "B-Stock" by RME quality control. In the nature of being B-Stock, do expect a minor cosmetic issue but rest assured that it has absolutely no impact on the functionality or performance of this unit. Otherwise, this unit is brand new, comes with everything as if it were brand new AND carries a 1-year manufacturers warranty. This is a rare opportunity to save 25% and grab a "just like new" DMC 842 from RME! Stock is limited to quantity on hand and will sell out quickly!
The RME DMC 842 Microphone Preamp is both an AES/EBU interface as well as a controller for digital microphones. The unique DMC 842 allows for connection and control of up to 8 digital microphones, and converting their signals to ADAT, AES/EBU, analog and (optional) MADI. Eight switchable hi-end sample rate converters offer a flexible clocking and further usage options. The RME DMC 842 Microphone Preamp is both an 8-Channels AES42 interface as well as a controller for digital microphones. The unique device allows for connection and control of up to 8 digital microphones, and converting their signals to ADAT, AES/EBU, analog and (optional) MADI. Eight individually switchable hi-end sample rate converters offer a flexible clocking and further usage options, especially as the inputs are compatible to AES3 and AES/EBU too. When developing the RME DMC-842, RME worked closely with the microphone manufacturers to secure maximum compatibility and best functionality. As a result the RME DMC-842 is the most flexible and most compatible AES42 interface available - a true milestone for the broad acceptance of the new digital microphone technology. The RME DMC-842 is fully remote controllable, via MIDI, AES and (optional) MADI. The optional I64 MADI Card provides serial pass-through capability from one RME DMC-842 to the next (up to 8). All up to 64 audio signals are then available at the last device on one single line. Such a way of cascading is also possible with the Micstasy and the ADI-8 QS. The signals passed through the RME DMC-842 are available at the analog outputs, making an expensive splitter box on stage obsolete.
In a standard 19" box with 2 unit height the RME DMC 842 offers numerous extraordinary features like Intelligent Clock Control (ICC) , SyncCheck ®, SteadyClock, MultiMode, MIDI over MADI, and remote control via MADI and MIDI. The technologies known from other RME products like SyncCheck® ensure perfect synchronization and clear detection of errors. Also multiple units can be stacked and operated sample-aligned, using word clock. All settings are stored when the unit is switched off. The RME DMC-842 can be fully remote controlled and configured via MIDI, and all status displays can be queried through MIDI. Each RME DMC-842 can be given a separate ID, allowing separate remote controllability of various devices with only one MIDI channel. RME's SteadyClock(TM) guarantees excellent clock quality in any situation. Due to the highly efficient jitter reduction, the RME DMC-842's DA-converters operate independently from the quality of the external clock signal, as if they are working with internal clock all the time - guaranteeing a pristine sound quality! Additionally Intelligent Clock Control (ICC) will retain the last valid sample frequency in case of a loss of the input signal.
AES42
The RME DMC-842 operates as power supply and control device for digital microphones, supporting the AES42 standard. The operating modes defined in AES42, Mode 1 and Mode2, are supported individually per input. Mode 1 defines an asynchronous operation. Working with several Mode 1 microphones requires the use of sample rate converters, which are included in the RME DMC-842. Mode 2 allows for a synchronized operation. In both modes control data can be sent to and status data can be received from the microphone. These can settings for gain, polar patterns, hi-pass filter and compression. Further functions are already specified in the AES42 standard, but availability depends on the individual microphone. All microphone parameters are directly accessible from the unit's front panel. As Digital Phantom Power can be switched on or off on individual channels, the RME DMC-842 can also handle 'standard' AES3 and AES/EBU signals at the same time. Using the built-in sample rate converters, these can even be asynchronous. In many respects, the RME DMC-842 is an ideal companion to RME's Micstasy. Using the same interface connections as found in the Micstasy (ADAT S/MUX and AES/EBU built-in, MADI optional) it ensures problem-free set-up of combined systems for both analog and digital microphones. The RME DMC-842 even includes analog line level outputs, so a mixed setup with purely analog devices (for example for monitoring purposes) poses no problems.
Remote Software
The included Windows software DMC-Control can use any existing MIDI port within the system to perform remote control and status requests of any number of RME DMC-842s via a simple mouse click. The latest version of the program can be downloaded for free from the RME website. The program is self-explanatory and very easy to use. It manages up to 8 RME DMC-842 simultaneously. Names can be assigned to all channels and all devices. DMC-Control not only offers a remote-access to all front panel settings, but also a comfortable configuration of the Setup menu, and direct access to the AES42 features of the connected microphones.
RME DMC 842 Microphone Preamp Connectivity
- 8 x AES42 Input (XLR)
- 8 x Analog Output (XLR)
- 4 x AES/EBU Out (8 Channels @ 192 kHz)
- 2 x ADAT Out (8 Channels @ 96 kHz)
- MIDI I/O
- Word Clock I/O
- Com Port I/O (RS-232 via 9-pin D-Sub)
- MADI I/O (I 64 MADI Card) (Optional)
RME DMC 842 Microphone Preamp Features
- Fully compatible to AES42
- 8 XLR AES42 inputs (AES3 compatible)
- 8 Balanced XLR Line outputs
- 24 Bit sample rate conversion switchable per input
- Digital Phantom Power switchable per input
- Supports Mode 1 and Mode 2
- 63 dB gain range per channel, even in asynchronous Mode 1
- LED level meter with 13 LEDs per channel
- M/S de-/encoding
- 4 x AES/EBU Out via D-sub, 8 channels @ 192 kHz
- 2 x ADAT Out, 8 channels @ 96 kHz
- Optional MADI I/O (I64 MADI Card) with serial cascading and digital/analog return path
- MIDI I/O
- Fully remote controllable
- Future-proof by flash updates
RME DMC 842 Microphone Preamp Specifications
- Inputs: 8 x XLR (AES42, AES3 compatible), 1 x D-sub (AES sync)
- Outputs Digital: 4 x AES/EBU via 25-pin D-sub, 2 x ADAT optical, optional MADI
- Outputs Analog: 8 x XLR, balanced, up to +24 dBu
- Signal to Noise Ratio DA (SNR): 116 dB RMS unweighted, 119 dB(A)
- THD DA: < -104 dB (< 0.00063%)
- THD+N DA: < -100 dB (< 0.001%)
- Crosstalk DA: < 110 dB
- Output Level @ 0 dBFS: +24 dBu, +19 dBu, +13 dBu
- Frequency Response DA, -0.5 dB: 5 Hz - 22 kHz (sf 48 kHz)
- Frequency Response DA, -0.5 dB: < 5 Hz - 34 kHz (sf 96 kHz)
- Frequency Response DA, -1 dB: < 5 Hz - 50 kHz (sf 192 kHz)
- Sync Sources: Internal, AES, word, Option (MADI)
- Sample Frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, variable (external clocks)
- Sample Rate Range: MADI: 32 - 192 kHz, word clock: 27 kHz - 200 kHz, AES: 28 kHz - 200 kHz
- Jitter: Typical < 1 ns for internal, word clock, AES and MADI input
- Jitter Suppression: >30 dB (2.4 kHz)
- Jitter Sensitivity: All PLLs operate error-free even at 100 ns
- Power Supply: Internal switching mode PS, 100V - 240V AC, 60 Watt
- Dimensions: (W x H x D) 483 x 88 x 200 mm
RME DMC 842 Microphone Preamp Includes
- DMC-842 Microphone Preamp
- Power Cord
- 1 Year Warranty
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