DEQX Pre‑8 HD‑Active Preamp
DEQX Pre‑8 HD‑Active Preamp - Image 2
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DEQX Pre‑8 HD‑Active Preamp

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$3,800.00

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Description

The DEQX Pre‑8 is the flagship Gen4 HD‑Active preamp/processor from DEQX, combining cutting‑edge DSP, precise room calibration, and multi‑channel crossover capability—all in a single unit. It builds on the features of the Pre‑4 but adds full HD‑Active crossover output for 4‑way or multi‑way active systems. DEQX+2StereoNET+2

Use it with passive speakers or drive active speakers directly. The Pre‑8 also supports full speaker + room correction, subwoofer integration, digital I/O, and features a 5.5″ AMOLED touchscreen, remote control, and network connectivity. RCB Logic+1

Key Features

Feature Benefit / Notes
HD‑Active Linear‑Phase Crossover You can implement precise digital crossovers (up to 4‑way) for active speaker setups with perfect phase/time alignment. DEQX+2RCB Logic+2
Speaker Calibration, Room Correction & Time/Phase Correction Corrects both amplitude and timing errors introduced by the speaker and room to restore coherence. StereoNET+2DEQX+2
Digital & Analog I/O Includes multiple digital inputs, balanced and unbalanced analog inputs/outputs, and full digital outputs for each channel. RCB Logic+1
Low Noise & High Dynamic Range With ESS Sabre Pro ADC/DAC, low-noise power supplies, the Pre‑8 claims –115 dB THD+N (analog in to analog out) in Gen4 design. RCB Logic
Touchscreen & Remote / Network Interface A 5.5″ AMOLED touchscreen for control plus remote and network integration (DEQX Cloud) for calibration, control & updates. RCB Logic+2StereoNET+2
Scalability Start with stereo + subwoofer, then expand into full multi‑way active systems without changing the processor. DEQX+2RCB Logic+2
DEQXpert Service Each new DEQX unit includes access to calibration support / consultation via DEQXpert to help setup optimization. DEQX

Technical Specifications

Here are some of the available specs (as published) for the Pre‑8 and its Gen4 platform:

  • Digital inputs: 5 physical digital inputs (USB, AES/EBU, S/PDIF, TOSLINK) DEQX

  • Analog inputs: 3 analog (balanced/unbalanced) DEQX

  • Digital outputs: outputs for all channels (for active setups) DEQX+1

  • Balanced outputs: yes, for main channels DEQX

  • HD‑Active support (crossover) enabled DEQX+1

  • Room & Speaker calibration: supported, full correction including phase/time StereoNET+2DEQX+2

  • THD+N (analog input → analog output): –115 dB (preliminary spec) in Gen4 design RCB Logic

  • Front panel: 5.5″ AMOLED touchscreen, volume knob with LED readout RCB Logic

(Note: Full, detailed spec sheet should be referenced from DEQX’s official documentation when available.)

Typical Use Scenarios & Benefits

  • Audiophile systems: Use Pre‑8 as your central processor to manage every aspect of your audio chain (room, speaker, crossover, digital/analog sources).

  • Active speaker systems: Drive individual speaker drivers directly using digital crossovers and precise calibration.

  • Subwoofer integration: Seamlessly integrate subwoofers while implementing optimal crossover points and phase alignment.

  • Upgradability: The system can grow—start with stereo and sub, and later use full multiway active without replacing the processor.

  • One-box solution: Reduces system complexity by consolidating multiple devices (EQ, crossover, processor) into one unit.

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