Ensoniq ASR-X (1997–1999)
A 16-bit stereo sampler and workstation with built-in synthesis, effects, and resampling capabilities.
Overview
The Ensoniq ASR-X, produced from 1997 to 1999, is a pro-specification 16-bit stereo sampler/resampler designed for production use. It functions as a full workstation with integrated sampling, sequencing, a built-in MR synthesizer, multi-effects, and 18 dB resonant filters. An enhanced version, the ASR-X Pro, was released as an update and marketed as a "Resampling Production Studio." The unit features a 3.5-inch floppy disk drive for storage and includes front-panel knobs central to its operation. It was originally priced at $1,000.
Specifications
| Production years | 1997–1999 |
| Original price | $1,000 |
| Sample rate | 44.1 kHz |
| Standard memory | 2 MB |
| Maximum sample time (44.1 kHz, stereo) | 12 seconds |
| Maximum sample time (44.1 kHz, mono) | 24 seconds |
| Maximum sample time (22 kHz, stereo) | 24 seconds |
| Maximum sample time (22 kHz, mono) | 49 seconds |
| Maximum sample time (11 kHz, stereo) | 49 seconds |
| Maximum sample time (11 kHz, mono) | 99 seconds |
| Audio inputs/outputs | Rear-panel left and right 1/4" jack sockets |
| Storage media | 3.5-inch floppy disk drive |
| Bit depth | 16-bit |
Design
The ASR-X features two central front-panel knobs used across most operations, and documentation is split into multiple volumes, including the "Producers' Mix" User's Guide and the ASR-X Pro Reference Manual. The unit supports expansion via the X-8 8 Output Expander. Included accessories are the User's Guide, Reference Manual, FDX-100 sound and demo floppy disk, hex wrench, and AC power cable. An addendum exists for the v2.00 operating system.
Context
The ASR-X Pro is an enhanced version of the ASR-X, offering updated capabilities for sampling, synthesis, and sequencing. It was positioned as a professional production tool, with documentation and naming suggesting a focus on resampling workflows.
Market
Used units have been listed at $800, down from the original $1,000 price. The 3.5-inch floppy disk drive is available as a replacement part for $54, and there is ongoing user interest in sourcing replacement encoders for the ASR-X Pro.
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