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Category: Multi-room Audio

Lexicon DD8A (8 x 125W) Multi-Room Audio Amplifier

Key Features

  • 8 Channels of High-Power Amplification: Delivers 8 x 125W @ 8Ω or 8 x 250W @ 4Ω for exceptional flexibility and performance.

  • Bridging Capability: Channels can be bridged to provide up to 4 x 500W for demanding applications or larger speakers.

  • Class D Efficiency: Advanced Hypex UcD technology ensures clean, dynamic sound with low heat output and high efficiency.

  • Independent Zone Control: Each channel pair can be independently configured for stereo, mono, or bridged operation, enabling full multi-room customization.

  • Compact 1U Rack Design: Slim, rack-mountable chassis for easy integration in professional installations.

  • Auto Signal Sensing: Automatically powers on when an audio signal is detected, saving energy when idle.

  • Balanced and Unbalanced Inputs: Supports both RCA and Phoenix connectors for professional-grade connectivity.

  • Protection Circuitry: Features comprehensive safeguards against thermal overload, short circuits, and DC faults for long-term reliability.

  • Trigger Control: 12V trigger inputs and outputs for synchronized system operation.

  • Energy Efficient: Meets stringent Energy Star and EU eco-design requirements for low power consumption.

Description

The Lexicon DD-8 redefines the state-of-the-art multi-room distributed audio. Taking advantage of HARMAN’s pioneering DriveCore™ amplifier technology, the DD-8 packs eight channels of 125W into a single rack space.

Warranty:

1-year manufacturer’s warranty

Features:

  • Multi-patented DriveCore Amplifier Technology
  • 8 channels each with 125W into 8-ohms, All Channels Driven
  • High-efficiency, Quiet Convection-cooled Design
  • Local/Bus RCA Input Selection and Independent Channel Output Level Controls
  • 12V Trigger Input/Output and Signal-sensing Channel Inputs
  • Short-circuit and Thermal Protection Circuitry

The foundational DriveCore circuitry seamlessly integrates the amplifier drive stage into the power output stage, fusing everything into a chip the size of a dime. With five patents applying to the advanced feedback, modulation, and output stage technologies, DriveCore’s front-end drive circuits leverage the inherent efficiencies of Class D designs while delivering the audiophile performance of advanced AB designs.

The 90%+ efficiency of the DriveCore stage means everything stays cool and no fan is required, so your equipment racks stay ultra-quiet. Plus, the DD-8 meets the future 0.5W low power consumption ratings and uses less power during normal operation than many traditional amplifiers do at idle. While this much efficiency and power are indeed impressive, it is nothing without control, and in this respect, the DD-8 delivers a full complement of features, including local and bus inputs, stereo/mono selection, channel output level controls, and system triggers.

As a bonus or attribute of the DD-8, not only does the amplifier redefine multi-room distributed audio, but the amp is also a highly recommended and suitable option for multi-channel or home theater applications.

Technical Specifications:

Frequency Response 20Hz-20kHz +0/-1.5dB
Input Impedance 100K ohms typical
Input Sensitivity 1.12 volts for 125W out into 8 ohms
Height 2.1″ (5.4cm) w/ feet / 1.7″ (4.5cm) w/out feet (1 rack space)
Width 17.3″ (43.8cm)
Depth 14.9″ (37.8cm)
Weight 9.2 lb (4.2kg)
Communication and Control 12V DC Trigger In/Out (3.5mm and Phoenix)
Inputs Bus and Local L/R RCA jacks
Rated Output Power Into 8 Ohms 125W RMS per Channel from 20Hz-20kHz, All Channels Driven
Signal-to-Noise Ratio < -105dB Below Rated Full Power A-weighted
Total Harmonic Distortion (THD) Less than 0.05% at Full Rated Power 20Hz-20kHz
Gain 29dB
Power Requirements 100-240VAC 50/60Hz 190W
Speaker Connections 4-pin Phoenix-type Connectors
Included Accessories Rack Ears and Mounting Hardware

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