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DEQX Express II. Preamplifier.
DEQX Express II. Preamplifier.
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DEQX Express II. Preamplifier.
The Express II packs much of the new technology of our flagship HDP-4 Preamp Processor in a new, extraordinarily cost-effective design. The Express II uses professionalgrade components and power supplies but we’ve kept
the price of the Express II down bymoving the front-panelcontrols to the remote while deleting the HDP-4’s balanced analog and digital outputs for a simpler chassis.
Like its predecessor, the Express II provides DEQX Inline™ correction for your existing speakers, room and media. Plus, it does the impossible and precisely integrates one
or a pair of subwoofers. The Express II also supports 2- or 3-way active speakers
for those opting for DEQX XO™Active configurations with DEQX’s linear-phase crossovers, now or in the future. The Express II offers four hi-resolution digital inputs,
accepting sample-rates including 24-bit/192k and two analog inputs (balanced XLR and single ended RCA) with 96k analog-to-digital conversion.
Measure (and correct) speakers first, then the roomIn correcting the speakers—before the room—our comprehensive DEQX-Cal™ software generates correction filters for phase, timing coherence and frequencyresponse. Only then does DEQX-Cal measure from the listening area for room correction.
Specifications
Stereo inputs
- Analogue: RCA unbalanced, XLR balanced
- Digital: TOSLINK, S/PDIF BNC, S/SPIF RCA, AES3 XLR
Stereo outputs
- Analogue: Low, Mid (or full-range), High: RCA unbalanced
Measurement mic input: XLR balanced with 48V phantom power
Mains input voltage: 100V-240VAC, 50-60Hz • Power consumption: 30VA
Dimensions: height: 2U / 97mm • depth: 325mm • width: 430mm
DSPs: Dual Analogue Devices SHARC 32-bit floating point
Analogue input maximum levels
- Balanced XLR: +17 dBu
- Unbalanced RCA: +11 dBu
- Input impedance (balanced and unbalanced): 50 kohms
Analogue output (jumper set) maximum levels
- Maximum level: +15 dBu
Total harmonic distortion: <0.0008% (analogue–analogue)
PC connections: USB or RS232
Crossover slope (software selectable): up to 300dB/octave
Latency: from 2.5ms, typically 15ms with speaker correction filters (video sync OK)
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