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ADAT HD24 24-Track Hard Disk Recorder

HD24 Features:

24-track, 24-bit digital audio recording at 48kHz (12 tracks at 96kHz)

High sample rates for top-notch audio. Digital: 44.1–96kHz. Upgrade HD24 to 96kHz with the EC-2

Fully loaded standard connections include 24 analog inputs and outputs (+4dBu, 1/4" TRS), plus 24 channels of ADAT Optical I/O

Dual recording bays utilize standard low-cost, removable IDE drives

Instant random access to audio using ADAT/FST™ (File Streaming Technology).

Internal editing capabilities include cut, copy, paste, and track-move with undo. Or use the built-in Ethernet port to easily send files to a computer DAW

Multiple units can be synchronized to create a larger system, and easily integrated into an existing ADAT system

MIDI in/out, MTC out, Ethernet, ADAT Sync in/out, and Word Clock in.

ADAT HD24 Specifications:

MEDIA. Any internal IDE hard drive.

TRACK COUNT. 24 tracks at 24-bit/48kHz, 12 tracks at 24-bit/96kHz.

SAMPLE RATES. Digital: 44.1–96kHz. Analog: 44.1–48kHz (HD24). Upgrade HD24 to 96kHz with the EC-2.

CONNECTIONS. Analog: 24 24-bit inputs, 24 24-bit outputs (1/4" TRS, +4dBu). Digital: 24-channel I/O via 3 ADAT Optical inputs and 3 ADAT Optical outputs. Other: MIDI in/out. Alesis Sync in/out (DB-9). Word Clock input (BNC, 75ύ). Footswitch jack for punch in/out (1/4"). LRC input for traditional wired remote (1/4"). 10 Base-T Ethernet (RJ-45).

AUDIO SPECS. Frequency response: 20Hz–20kHz +0/–1dB. Dynamic range: 103dB A/D, >103dB D/A (A-weighted). Distortion: <0.003% THD+N. Input levels: nominal +4dBu, maximum +19dBu. Pitch control: +100 cents/–200 cents, min-max 30–50kHz (30–100kHz with version 2.0).

POWER & DIMENSIONS. Power: 90–230V AC, 60W. Dimensions (H x W x D): 5.09" x 19" x 17" (127mm x 483mm x 432mm), 3U rackmount. Weight: 20lbs (9.07kg).

The Alesis HD-24 is a 24-track, 24-bit/96kHz hard disk recorder. Two hot-swappable media bays provide access to the recording drives, and allow the user to backup data in just minutes. You can edit tracks internally or easily transfer to computer via built-in Ethernet. They come with standard ADAT Optical and ADAT Sync, enabling them to work efficiently with existing systems.


Main Office • 3437 South Hanover Street, Baltimore, MD 21225 • Phone: 410-355-2055 • Fax: 410-355-2054
1-800-771-7938

© 2006 Image Engineering ®