Overview
The Allen & Heath dLive DM48 RUFX is an S-Class MixRack designed for professional touring, broadcast, and fixed-installation applications. Featuring 48 mic/line inputs, 24 line outputs, dual redundant audio connections, Allen & Heath's XCVI 96kHz FPGA processing engine, and a pre-installed RackUltra FX card, the DM48 RUFX delivers 128 input channels, 64 mix outputs, configurable bus architecture, and ultra-low 0.7 ms latency.
Features
- 48 mic/line inputs, 24 line outputs
- XCVI 160×64 FPGA core
- 96kHz sample rate
- Variable bit-depth for ultimate precision and noise performance
- Virtually infinite mix headroom thanks to 96-bit accumulator
- Class-leading, ultra-low latency: 0.7ms
- 128 Input Channels with full processing
- 64 Mix Outputs with full processing
- Configurable 64 bus architecture (Group, FX, Aux, Matrix, Mains)
- LR, LCR and up to 5.1 mains mode
- Multiple PFLs
- 16 RackExtra FX with dedicated stereo returns
- Automatic Mic Mixer (AMM) up to 4 zones, 64 channels
- DEEP processing – powerful embedded plugins including GEQ and compressor modelling
- 24 DCAs
- Built-in signal generator, RTA and spectrogram
- New preamp design for extra transparency
- Unique Active PAD circuit for consistent performance with any source
- Connection hub
- Dual redundant GigaACE gigabit link to Surface
- 2× redundant DX links for I/O expansion
- 3× I/O Ports – 128 channels at 96kHz each
- Dedicated ME-1 48kHz port
- 2× Network ports
- Wordclock BNC I/O
- Dual redundant, hot-swappable power supply
- Flush front panel with ultra-quiet fan
- Reversible rack ears design
Specifications
Inputs
Mic/Line XLR Inputs
- Input Configuration: Balanced XLR, +48V phantom power
- Mic/Line Preamp: Fully recallable
- Input Sensitivity: -60 to +15 dBu
- Analogue Gain: +5 to +60 dB, 1 dB steps
- Pad: -20 dB Active PAD
- Maximum Input Level: +30 dBu (PAD in)
- Input Impedance: >4 kΩ (Pad out), >10 kΩ (Pad in)
- Mic EIN: -127 dB with 150 Ω source
- Phantom Power Indication: Per socket, internal or external phantom power sensing, triggered at 24V
Outputs
Analogue XLR Outputs
- Output Configuration: Balanced, relay protected
- Output Impedance: <75 Ω
- Nominal Output: +4 dBu = 0 dB meter reading
- Maximum Output Level: +22 dBu
- Residual Output Noise:
- -92 dBu (muted, 20–20kHz)
- -90 dBu (muted, 20–40kHz)
System
- Dynamic Range: 110 dB
- System Signal-to-Noise Ratio: -92 dB
- Frequency Response: 20Hz–30kHz, +0/-0.8 dB
- THD+N (Analogue In to Out): 0.0015% @ +16 dBu output, 1kHz, 0 dB gain
- Headroom: +18 dB
- Internal Operating Level: 0 dBu
- dBFS Alignment: +18 dBu = 0 dBFS (+22 dBu at XLR output)
- Meter Calibration: 0 dB meter = -18 dBFS (+4 dBu at XLR output)
- Meter Peak Indication: -3 dBFS (+19 dBu at XLR output)
- Sampling Rate: 96kHz ±20 PPM
- ADC: 24-bit Delta-Sigma
- DAC: 24-bit Delta-Sigma
- Latency:
- <0.6 ms (MixRack XLR in to XLR out, Input to Mix)
- +5 samples, Surface to MixRack (GigaACE hop)
- +8 samples, DX32 to MixRack (DX hop)
Operating Conditions and Power
- Operating Temperature Range: 0°C to 35°C (32°F to 95°F)
- Mains Power (MPS16): 100–240V AC, 47–63Hz, 300W maximum
Dimensions and Weights
- DM48
- Dimensions (Width × Depth × Height): 482.6 × 313 × 369 mm (19" × 12.3" × 14.5")
- Weight: 17.5 kg (39 lbs)
- DM48 - Boxed
- Dimensions (Width × Depth × Height): 590 × 420 × 510 mm (23.2" × 16.5" × 20.1")
- Weight: 20 kg (44.1 lbs)