Fostex Model 250 Multitracker

A four-track cassette studio in a 19-pound box — the machine that made the "personal studio" a real thing for people who couldn't afford a reel-to-reel.

Overview

The Model 250 is a four-channel cassette recorder with a self-contained four-channel mixer, built to be operated as a small multitrack studio in one box. That's the whole pitch, and it's a good one: internal switching handles recording, overdubbing, and mixdown with no patching required, though several points in the signal path are brought out to jacks for outboard processing. Modern Recording (February 1983, p.44) described it as a "personal studio" analogous to the personal computers of the day — a fair framing for a piece of gear that put four-track capability on a desktop.

The physical footprint tells you what Fostex was after. Studio Sound (January 1982, p.86) measured the unit at 17 x 3 x 14 inches and 19 pounds, which is compact enough to live on a table but substantial enough that you know you're handling a tape transport, not a toy. The same review noted that comparisons with the Teac 144 were unavoidable — both were four-track cassette studio-in-a-box designs — and found the transport functions and control layout essentially identical to the reel-to-reel machines Fostex was building at the time. That lineage matters: the 250 wasn't a cassette deck with mixer features bolted on, it was a scaled-down multitrack with cassette as the medium.

The mixer occupies the left half of the front panel, four channels feeding the four tape tracks.

The pitch control deserves its own paragraph because it's the sort of feature that separates a real multitrack from a cassette deck. A pitch control gives plus or minus 10 percent of normal tape speed. Modern Recording (February 1983, p.45) found the range limiting, noting it's less than a whole tone and that a wider range would be necessary to facilitate fast riffing. That's a fair criticism from someone who actually used the thing: ±10 percent is a tuning aid, not a varispeed creative tool.

It's a genuinely odd piece of engineering and exactly the kind of detail that makes this era of Fostex gear charming.

The erase head and the combined four-track record/playback head are accessible by lifting the cassette cover lid, which makes demagnetisation and regular cleaning easy to achieve — a real consideration for anyone who's fought with a transport that hides its heads behind three screws and a prayer. The record/playback head is the same one fitted to the X-15 Multitracker, which is a useful data point for anyone sourcing spares or comparing the two machines.

And the two machines do get compared. The X-15 is the portable sibling: battery/mains operated, 3 x 11½ x 9 inches, under 6½ pounds with the battery pack, built from tough black plastic. The X-15 runs at the standard 1⅞ ips with no double-speed facility, records a maximum of two tracks at a time, and uses built-in Dolby B noise reduction to hold a claimed 60 dB signal-to-noise ratio, with crosstalk quoted at 40 dB and frequency response extending to 12.5 kHz. The Model 250, by contrast, is the desktop unit — bigger, heavier, and intended to be the centre of a small studio rather than a bag.

High Fidelity (November 1982, p.88) put the Model 250 head-to-head with a Tascam four-track cassette deck/mixer in a comparison of compact portable multitrack studios, which is exactly where this machine lived in the market. The review's framing — records bought to figure out how they were made, late nights scheming arrangements — captures the audience precisely: songwriters and small-studio operators who wanted four tracks and a mixer without a reel-to-reel's cost, footprint, or tape bill.

What the Model 250 is not, at least on the evidence available, is a machine with a documented reliability record or a settled collector's market. No service history, common-failure data, or current pricing is confirmed in the sources at hand, so anyone shopping for one should treat condition as the whole ballgame and verify the transport, heads, and mixer section in person. The pitch-control thumbwheel and the pump-operated remote are the kind of mechanical details that reward a careful inspection.

Collectors note the Model 250 as one of the machines that defined the early home-multitrack category — a four-track cassette studio with a real mixer, real routing, and a footprint that fit on a desk. It's not the most famous Fostex, and it's not the most portable, but it's the one that made the "personal studio" idea concrete for a generation of players who never touched a reel of ¼-inch tape.

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