Thorens TD 104 (1977–1981)
A belt-drive manual turntable with sensor-button operation and an ultralight tonearm, produced from 1977 to 1981.
Overview
The Thorens TD 104 is a vintage hi-fi turntable made by Thorens between 1977 and 1981. It features a belt-drive system, a DC motor, and manual operation with three selectable speeds. One of its distinctive features is the use of sensor buttons for drive operation, replacing traditional mechanical switches. The turntable includes the DiscTraker and Isotrack plug-in accessories. It shares its lineage with the Thorens TD 104 MK II, though the original TD 104 stands as a separate model in the series.
Specifications
| Production years | 1977–1981 |
| Drive method | belt drive |
| Motor type | DC motor |
| Speeds | 3 speeds |
| Control type | manual operation |
| Includes | DiscTraker, Isotrack plug-in |
| Tonearm | ultralight tonearm |
| Dimensions | 43x35.5x13 cm |
Design
Drive operation is handled via sensor buttons, a notable design choice for its time that replaced conventional mechanical controls.
Context
The Thorens TD 104 is part of a series that includes the Thorens TD 104 MK II, indicating a direct product evolution within Thorens' turntable lineup.
Market
Listed as a rare vintage hi-fi turntable, recent market prices include €210, €150, and SEK 500 in April 2026. Common issues reported include the platter continuing to turn after stop is selected, slow startup, and noisy spindle operation. Maintenance often involves cleaning speed switch contacts and inspecting capacitors like C113 for motor power issues.
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