Sony PCM-3324A
Sony's second-generation DASH 24-track - the machine that made digital multitrack a working reality in professional rooms.
Overview
The PCM-3324A is Sony's second-generation DASH 24-channel multitrack recorder. It took the key technologies developed for Sony's 48-channel PCM-3348 and put them in a 24-track package. That lineage is documented in Sony's own period advertising, which billed the 3324A as the beneficiary of the PCM-3348's development program. The tagline said it outright: the big idea behind the new PCM-3324A was the PCM-3348.
That inheritance bought the 3324A a specific set of engineering choices. Sony's advertising cites 2X oversampling with digital filters for enhanced sonic performance, reduced power consumption, and upward compatibility with the PCM-3348. For a working studio of the era, that last point mattered more than any single spec. Tracks laid down on the PCM-3324A play back flawlessly on the PCM-3348 and are undisturbed as the 3348 adds up to 24 more channels of digital audio to the original recording. So a room could start a project on a 24-track DASH machine and expand to 48 tracks later without re-cutting the original material. That is a workflow promise, not a numbers claim, and it is the sort of thing that sold digital multitrack into facilities that were still nervous about committing.
The 3324A sits in the DASH family - Digital Audio Stationary Head - and Sony leaned on that framing hard. The advertising copy of the period treats the 3324A and the 3348 as a matched pair rather than two separate products. The phrase "the family of DASH products" tells a studio owner that buying the 3324A means buying into an upgrade path rather than a dead end. Recording Engineer (November 1989, p.9) ran the campaign with that same message, presenting the 3324A as the second-generation 24-channel machine built on 48-channel technology.
The same campaign ran widely through the professional press of 1989 and 1990 - Mix (July 1989, p.10), DB Magazine (September 1989, p.5), Recording Engineer (April 1990, p.23), Mix (March 1990, p.53), and Recording Engineer (May 1990, p.33) all carried the PCM-3324A advertisement. That many titles over that span is not a niche announcement. Sony was positioning DASH as the professional digital multitrack standard, and the 3324A was the volume product in that strategy.
The installation notices tell the same story. The 3324A turns up repeatedly in the trade press's studio-update columns: EFX Systems in Burbank took five PCM-3324A DASH multitrack recorders; the Musical Archives in Simi Valley took a single 24-channel PCM-3324A; Magno Sound & Video in New York purchased one; and The Toy Specialists in New York added both a 48-track PCM-3348 and a 24-track PCM-3324A to its inventory. Six hundred units of one digital multitrack model is a meaningful number for professional gear of this class and era.
Rental houses carried the machines too. Dreamhire, operating out of New York and Nashville, took delivery of a Sony PCM-3348 and offered digital multitrack on the rental market alongside consoles, microphones, and samplers. The PCM-3348 is the 3324A's sibling in the same ecosystem.
Here is what the record does and does not establish. Documented well: the 3324A is a second-generation DASH 24-channel multitrack, it owes its technology to the PCM-3348, it has 2X oversampling with digital filters, it draws less power than what came before, and it is upward compatible with the 48-track machine. Not established by the available period sources: production start or end dates, original list price, weight or dimensions, published frequency response, and converter bit depth for this model. Collectors chasing those numbers will need service documentation, and the Archive would welcome it.
What can be said without hedging is that this is a professional mastering-grade machine from the era when digital multitrack stopped being an experiment and became the way records got made. The 3324A's place in that transition is not incidental — it was the machine Sony pushed hardest, in the most titles, with the clearest upgrade story, and it was the unit that carried the company past its 600th digital multitrack sale. For anyone building a picture of late-1980s professional digital recording, the PCM-3324A is not a footnote. It is one of the load-bearing entries.
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