Alesis adat HD24

Alesis ADAT HD24 Hard Disc Recorder with two hard disks in swappable caddies, 160 GB each included, upgradable to ssd disks (unofficial upgrade), includes remote and user manual.

Very good condition

Key Specifications

Track Count & Sample Rates

At 44.1kHz and 48kHz: 24 tracks simultaneously

At 88.2kHz and 96kHz: 12 tracks simultaneously

Bit Resolution: 24-bit linear PCM

Audio I/O (Inputs & Outputs)

Analog Inputs: 24 × Balanced 1/4" TRS jacks

Analog Outputs: 24 × Pseudo-balanced 1/4" TRS jacks

Digital I/O: 3 × ADAT Optical (Lightpipe) Inputs and Outputs (24 channels total)

Storage & Recording

Media: Standard, removable IDE/PATA computer hard drives

Drive Bays: Dual front-panel, hot-swappable bays

File System: Proprietary ADAT/FST (File Streaming Technology)

Synchronization & Control

Synchronization: ADAT Sync In/Out (DB-9), Word Clock In (BNC, 75Ω), and MIDI In/Out/Thru

Machine Stacking: Link up to 5 units together for up to 120 tracks of sample-accurate recording

Remotes: Supports Alesis BRC (Big Remote Control), LRC (Little Remote Control), and 9-pin sync

Audio Performance

Frequency Response: 22Hz–22kHz (+0/–1dB)

Signal-to-Noise Ratio: 103dB (A-Weighted, Analog In to Analog Out)

THD+N: <0.003%

Physical Specs

Form Factor: 3U rackmount

Dimensions: 5.25" x 19" x 13.5" (H × W × D)

Weight: 20 to 21 lbs (9.07 to 9.6 kg)

Power: 90–230V AC, 60W max