Ortofon ULM-60E
Not much is documented about the Ortofon ULM-60E as a standalone product. Nearly every period source places it as the companion pickup for Dual's ULM (ultralow-mass) tonearms. Audio (May 1980, p.70) listed the ULM 60E as the optional cartridge for the Dual CS 731Q turntable. The CS 731Q sold for $559.95 alone, or $699.95 with the Ortofon fitted. High Fidelity (January 1980, p.44) described it as a specially designed Ortofon low-mass pickup, and called the ULM tonearm/cartridge combination "a study in careful, synergistic engineering." The same review noted a system resonance of 7.8 Hz when the ULM Ortofon was mounted on a Dual arm.
What the record shows, briefly:
- Bi-radial (elliptical) stylus
- Designed for the ~0.5–1.25 g tracking-force range of the Dual ULM system
- Sold primarily as an OEM/matched option on Dual turntables rather than as a standalone aftermarket cartridge
Production years, standalone pricing and full specifications appear to be undocumented in the surviving period sources.
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