Akai S1000KB
A 61-note keyboard bolted to the S1000 sampling engine. It was a rare configuration, and it let players treat a sampler like an instrument instead of a rack module.
Overview
The S1000KB is Akai's S1000 sampling technology built into a 61-note keyboard. That's the whole pitch. The rack-mount S1000 lineage earned its reputation as a workhorse, and the KB wraps that engine around the one thing a rack unit can't give you, a keyboard under your hands. Documentation from the period describes it plainly as S1000 sampling technology combined with a 61-note keyboard, as noted in Recording Engineer (January 1991, p.78). It's an unglamorous description, and it fits: the sampler is the star and the keys are the delivery mechanism.
The configuration options are where the KB separates itself from a bare module. According to the available documentation, the S1000KB could be ordered with an 80-megabyte hard drive on board and up to 32 megabytes of RAM. For a sampler of this vintage, that's a serious amount of storage and memory. It's enough to keep a working library resident rather than swapping floppies every few minutes. Collectors note that this expandability is part of the appeal. The machine was built to be loaded up, not run bare.
The naming around the KB gets tangled. The S1000 family sprawled - S1000, S1000KB, S1000PB, S1000HD, S1100 - and period dealer listings treated them as a cluster. One 1990s sampler-disk advertisement in Electronic Musician grouped the S-1000, S1000KB, S-1000PB, S-1000HD, and S-1100 together as a single disk-compatibility family. That's useful for anyone shopping today: the KB shares the sample-library ecosystem of its siblings, so the enormous third-party disk catalog built up around the S1000 line applies here too.
Expect the usual caveats for a machine of this age and complexity. The hard-drive option, if fitted, is a moving-part liability decades on, and the RAM ceiling depends on what was actually installed at the factory or added later. Confirm the specific configuration of any individual unit rather than assuming the maximum. The keyboard action and the sampler engine are the two things to inspect closely. One is mechanical, the other is a dense early-digital design with its own service quirks.
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