Alesis HD-24XR
The period record is thin. The HD-24XR was a 24-track hard disk recorder aimed at studio and post-production use, and it recorded 24-bit audio at sample rates up to 96 kHz. A Pro-Audio-Review Buyer's Guide (November 2003, p.52) listed it at $2,495 and noted its studio and post-production applications. Advertising copy in Mix Magazine (October 2003, p.219) pitched it as "24/96 hard disk recording without the hard part," which puts ease of use right next to the high-resolution capture.
A Pro-Audio-Review product summary (October 2003, p.92) gives these specifications:
- 24 channels of simultaneous 24-bit, 48 kHz recording
- 12 channels of simultaneous 24-bit, 96 kHz recording
- Greater than 110 dB dynamic range, with less than 0.002% THD+N
- Hot-swappable, low-cost IDE hard drive media
- 24 channels of TRS analog and ADAT Optical digital I/O
- Built-in MIDI, Ethernet, ADAT Sync, and Word Clock connections
That is about all there is: a handful of specs, a price and a tagline. No production years, design details or service documentation turned up in the available research.
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