Thorens TD-125/SME
A turntable-and-tonearm pairing that shows up in classified ads for years — and tells you plenty about how the used market valued it.
Overview
The most useful thing about the TD-125/SME, at least as the documentary record preserves it, is that it kept appearing in the back pages of the audio press long after it stopped being new. Classified listings from the mid-1970s through the mid-1980s repeatedly name the combination as a single item — a Thorens TD-125 with an SME arm — which is about as clear a signal as the used market ever gives that a pairing had become the default. Buyers and sellers treated "TD-125/SME" as a unit, not two separate purchases, and the ads bear that out.
In a 1976 issue of Audio, a dealer listing high-quality used equipment offered a "Thorens TD125/SME" at $325 alongside McIntosh, Marantz, and Tandberg pieces. The same issue carried a separate seller unloading a TD-125/SME as part of a larger system sell-off. By 1984 the combination was still moving: a private seller in Michigan advertised a TD125/SME-3009II fitted with an Ortofon SL15E-2 moving coil and an STM-72 transformer for $425. That the listing names the specific SME arm variant — the 3009 Series II — and pairs it with a specific low-output moving coil suggests the combination had settled into a recognizable configuration among enthusiasts, not just a random table-and-arm marriage.
What the record does not give is any of the engineering. There are no published specifications here for the TD-125's drive system, platter, wow and flutter, rumble, or motor, and nothing on the SME arm's effective length, mass, or mounting geometry. Collectors looking for hard numbers will need the original manuals; the archival evidence available here is entirely about how the pairing was traded, priced, and sought after, not how it measured.
What the Classifieds Reveal
The want-ads are arguably more telling than the for-sale listings. Through 1984, multiple buyers placed "wanted" notices specifically naming the Thorens TD 125 and the SME 3009-3 as a target pair, sometimes alongside McIntosh and Marantz tube gear and Western Electric equipment — company that says something about how the TD-125/SME was categorized by the people chasing it (Audio, March 1984, p.105). It was grouped with the serious vintage pieces, the stuff worth a "big reward" notice in a national magazine. One buyer in Texas advertised broadly for "old Thorens" among a wish list of McIntosh, Marantz, Quad, and Altec gear. Another in Michigan wanted the TD 125 and SME 3009-3 by name.
Dealers, too, kept the combination in rotation. A Seattle shop listed "SME (modified)" among the tonearms it recommended, and a Florida dealer counted Thorens among the brands it sold and serviced. The TD-125/SME shows up in the inventories and want-lists of the same specialist retailers that handled Quad, Dahlquist, and Audio Research — the audiophile channel, not the mass-market one.
Prices in the period ads ranged from roughly $325 for a used TD125/SME in 1976 to $425 for a TD125/SME-3009II with a moving-coil cartridge and transformer in 1984. Those figures are asking prices in classified ads, not auction results or dealer retail, so they should be read as a rough sense of the used market's floor rather than a valuation. The fact that the number held in the low hundreds across nearly a decade is itself the interesting datum: the combination depreciated into a stable, affordable tier and stayed there, which is exactly the behavior of a piece the enthusiast community trusts.
Buying and Living With One
Anyone chasing a TD-125/SME today is buying into a pairing whose reputation was built in the classifieds before it was ever written up in a review. The practical advice that falls out of the documentary record is to confirm exactly which SME arm is fitted — the ads distinguish the 3009II and the 3009-3, and the arm variant is part of what's being sold. A table advertised with a specific cartridge and step-up transformer, as the 1984 Michigan listing was, is a system, and should be evaluated as one.
What the archive cannot tell a buyer is what to listen for, what tends to fail, or what maintenance the TD-125's drive or the SME's bearings demand. Those answers live in the service documentation, not in the classified pages, and this page will not invent them. What it can say with confidence is that the TD-125/SME earned a durable place in the used market on the strength of a reputation the ads document plainly: people wanted it by name, for years, and paid real money for it long after it was superseded.
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