Alesis ADAT HD24XR Recorder
Product code: SKU
Manufacturer: AlesisPrice: $1,999.00 
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Alesis ADAT HD24XR Recorder The Alesis ADAT HD24XR has the same specifications as the Alesis ADAT HD24 but runs at 96kHz samplerate and 24-bit AD and DA converters with over 113dB of dynamic range. It can be used for professional studios and home studios as well as video post production work. It integrates very easliy into existing ADAT setups. The 24 analog inputs/outputs are 1/4" TRS balanced type. It uses low cost IDE hard drives that can be removed while the system is up and running (Hot Swappable). This is a real time saver as you can just unplug a harddrive from the system and plug another one in without having to turn the system off. As with all ADAT interfaces you can connect this via the 3 onboard ADAT light pipe interfaces. You can connect it to your computer audio editor that is equipped with an ADAT interface (RME-Audio, Aardvark, Echo, and other sound cards). When the system is run at the 88.2kHz or 96kHz sample rates the LightPipe uses S/MUX mode where only 12 tracks can be sent through the interface (4 tracks per Light Pipe). When used at the 44.1k or 48kHz sample you get 8 tracks per light pipe (24 tracks). You can transfer audio via the onboard Ethernet port to your computer (PC and MAC). This allows you to record and playback audio via your computer digital audio workstation. The Ethernet port allows the HD24 to be connected as a stand-alone FTP server with its own IP address. This can be setup from a router. It allows multiple computers to access the files on the machine. From the computer's end the songs appear as FOLDERs while the audio files are in the WAV or AIFF format. It has a very flat frequency response of 20Hz to 20kHz and a dynamic range of greater than 103dB (AD DA Converters). Obviously this is when the system is run at the 24-bit depth. When recording at 16-bits the dynamic range is somewhere around 80dB (96dB theoretical). It has very low distortion of about 0.0003 % total Harmonic distortion which is incredibly low. You can change the pitch from -200 cent to +100 cents which is about a whole tone down and a half tone up. Change the pitch also changes the speed. It does not do pitch shifting but rather playback rate changes. The HD24 and HD24XR both use the ADAT FDK format on the hard drives. This is to keep the file fragmentation down to a minimum. A 10 gigabyte Low Cost IDE hard drive with give you about 45 minutes of 24-track, 24-bit, 44.1kHz recording/playback. You can synchronize upto (5) HD24's together for an incridible 120-tracks of recording and playback. It also comes with internal editing features that allow you to cut, copy, paste, and track-move with undo. It has a large multiLCD and editing buttons on the fron panel or you can use the Alesis LRC remote control that is included. Features: - 24 analog inputs
- 24 analog outputs
- Inputs and Outputs arranged in 3 x 8 channels
- 24-tracks @ 44.1kHz or 48kHz sample rate
- 12-tracks @ 88.2kHz or 96kHz sample rate
- 24-bit AD DA Converters with over 113dB of dynamic range
- Synchronizes to External Word Clock
- Dual recording bays with standard removable drives
- Internal editing capabilities - Cut Copy Paste
- Ethernet port for file transfer to Digital Audio Workstation
- 3 ADAT Light Pipe Interfaces
- Uses S/MUX mode for 96kHz - 24-bit Record/Playback
- multiple units can be synchronized together
- All necessary hardware and remote included
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Image & Description provided by and used with permission from
Music Unlimited (InstrumentPro.com).
Page revised: Saturday, October 14, 2006.
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