Adat Hd24 Key Features - Alesis ADAT-HD24 Reference Manual

ADAT HD24 key features:

1. 24 Track simultaneous recording at 44.1/48 kHz
(12 tracks @ 88.2/96 kHz)
2 . Storage media: Standard IDE hard drive
(minimum 5,400 RPM)
3. Recording time per each 10 gigabytes @ 48kHz:
45 minutes x 24 tracks; @ 96kHz: 45 minutes x 12
tracks
4 . Number of drive bays: Two front-panel, hot-
swappable
5. Recording Modes:
44.1/48 kHz
24 track, 16 track, 8 track, 4 track, 2 track
88.2/96 kHz
12 track, 8 track, 6 track, 2 track
6. Resolution: 24 bit linear PCM encoding
7 . Internal clock Fs: 44.1kHz, 48kHz, 88.2kHz,
96kHz; External clock; Varispeed -16%/+6%
@48kHz
8. A/D converters: Twenty-four channels of 24 bit,
128x oversampling (standard)
9. D/A converters: Twenty-four channels of 24-bit
128x oversampling (standard)
1 0 . OPTION: 96 kHz-capable A/D/D/A board
(Dealer-installed circuit board, replaces standard
A/D/D/A circuit board)
11. Analog I/O spec: +4 dBu nominal level (for –15
dBFS digital level) on balanced 1/4" TRS
connectors x 48 (standard)
12. Digital I/O: 24 channels (3 each, 8 channels) -
ADAT Optical format IN, 24 channels ADAT
COMPARING MEDIA COST @48kHz:
MEDIA
UNIT
PRICE
ADAT Tape $15.00 ea.
(unformatted)
Standard IDE $99.00/ 30
Hard Drive GB
5400 rpm Average
ADAT HD24 Reference Manual
Recording Qty. req'd
time per for 24 track,
media unit 45 min.
project
42 min. x 8 3 tapes
tracks x 20 bit)
135 min. x 24 1/3 of a drive
track, 24 bit (10 GB)
Introduction/Safety Instructions
Optical OUT, on standard fiber-optic 1mm
Toslink-style connectors
13. Synchronization: ADAT Sync. Up to five
HD24 units can be synchronized for up to
120 sample-accurate tracks. Control and
slaving is possible from any ADAT Sync
device.
1 4 . Remote control: Ships with ADAT LRC
remote control.
controlled via ADAT Sync port, or MIDI
Machine Control.
remote control (available soon).
1 5 . Editing: Cut, Copy, Paste, Move, Insert
across any or all tracks. Multiple levels of
undo
16. MIDI: IN, OUT. MIDI Time Code transmit;
MMC and SYSEX transmit and receive
1 7 . Software update method: Via MIDI or
Ethernet
18. Data transfer via Ethernet FTP, 10Base-T,
using standard Cat 5 cable (RJ-45 connector)
SONIC PERFORMANCE:
Frequency response: 22Hz - 22kHz ±0.5 dB
Total Harmonic Distortion: <.003%
Signal To Noise: > 103dB, A-weighted
Dynamic Range: 144dB, digital IN to digital
OUT; > 103 dB analog IN to analog OUT A-
weighted
Recording Cost
Per track Per 24-track
minute minute
4 cents $1.00
3 cents 73 cents
HD24 can be also be
Optional full-function
Per
project
$45.00
$33.00
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