Scully 280B-4
A half-inch four-track workhorse that studios kept buying by the handful, and that the used market still prices like a serious machine.
Overview
The 280B-4 is the four-track, half-inch member of Scully's 280B line, and the surviving record of what working studios actually did with it comes mostly from the classified pages of the trade magazines. In a 1980 broadcast-equipment listing, a 280B-4 is offered as "1/2", new mounted, mint cond." — the sort of terse entry that tells you the machine was common enough to turn up in the back pages alongside Ampex and 3M iron. Mix (November 1981, p.99) carried a dealer ad offering a "Scully 280B-4 ½ track, New Special $4,500," which is the clearest surviving window onto what one cost new-ish at the turn of the decade.
The documentation makes clear the 280B-4 was a studio fixture, not a curiosity. A 1984 Mix classified bundles a "Scully 280B 4 track" into a studio sell-off next to a Crown PSA-2 and a Roland Compu-editor. A lot like that only makes sense when the buyer already knows the deck.
The half-inch four-track format is the whole point of the model. The two-track 280B was a mixdown and mastering deck. The 280B-4 put four tracks on half-inch tape - more tracks than a stereo machine, on wider tape than a quarter-inch four-track, and at the 7½/15 ips speeds the 280B family ran. The 1980 listing's bare "1/2"" is the entire spec sheet the seller thought necessary, so the configuration was evidently standardized.
Condition and mounting matter as much as the electronics on these. The classifieds repeatedly describe 280B-4s as "in console" or "new mounted." The 1984 Mix bundle and the 1986 studio listings both place the deck inside a console rather than on a standalone cart. The "new mounted, mint cond." phrasing in the 1980 ad is the seller's shorthand for a deck that had been installed and cared for, not a road machine.
Service documentation and head condition are the usual sticking points. The 280B-4 shares its transport family with the 280B two-track. The trade listings also show the parts ecosystem that kept these decks alive. A 1980 broadcast-exchange ad offers "Heads, 16 trk ERP for Scully 100, also 8 trk conversion kit for 100," so Scully head and conversion hardware circulated through the same classified channels as the decks. Buyers today should expect to source heads and transport parts through specialist channels, not off the shelf. Any 280B-4 with unknown head wear is a project until proven otherwise. The half-inch four-track head stack is the expensive part, and it is the part most likely to have been swapped or worn.
The record does not settle the production run. No source in the available documentation gives start or end years for the 280B-4, and its appearance in 1980-1986 trade listings is the only dating evidence on hand. The 280B line clearly spanned the late 1970s into the mid-1980s, judging by when these decks surface in studio inventories and classifieds, but the exact years remain unknown. Pricing is similarly thin. The $4,500 "New Special" in Mix (November 1981, p.99) is a dealer's asking price for a new unit, not a market-clearing figure, and no reliable used-market data appears in the documentation.
For a collector, the 280B-4 is a machine to buy on condition and completeness. The half-inch four-track format, the console mounting and the Scully transport are the reasons it turns up in studio inventories and classifieds decades after it was current. The reasons to hesitate are the ones that apply to any 1980s professional reel-to-reel: head wear and parts scarcity.
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