ADC RS/3 (RS III)
A diamond-tipped workhorse for the ADC "DIGITAL" Series III cartridge, still turning heads—and records—at a premium price
Overview
If you own an ADC "DIGITAL" Series III cartridge, the RS/3 (RS III) isn’t just another needle—it’s the designated replacement stylus that keeps your turntable singing. This isn’t some universal fit-it-anywhere tip; it’s built specifically for that cartridge, which means when it wears out, you’re not just swapping a part—you’re restoring the integrity of a system. And while it might look like any other replacement stylus at first glance, the diamond tip tells you this wasn’t meant for casual use. Diamond means longevity, yes, but also precision tracking and a sound that, when paired with the right setup, can still hold its own today.
It handles the standard playback speeds—33 and 45rpm—so it’s ready for everything from your vintage LPs to those old 7-inch singles. But don’t even think about 78s; this stylus is not designed for them, and trying to play one could mean a ruined record and a damaged tip. The RS/3 is also labeled as compatible with both mono and stereo records, which gives it some flexibility if you’re digging deep into older pressings. That’s not uncommon for the era, but it’s still a nice touch—no need to keep multiple cartridges on hand just to flip between formats.
And while it was made for the ADC "DIGITAL" Series III, its use wasn’t limited to one brand of turntable. These cartridges showed up in a range of models across different manufacturers, which helped spread the need for replacements like the RS/3 far and wide. If you’ve got a vintage setup with an ADC cartridge, there’s a solid chance this is the stylus you’re looking for. It’s not flashy, doesn’t come with a backstory full of engineering drama, and you won’t find rave reviews from audiophiles gushing about its “warmth”—but it’s respected. It does its job, and it does it reliably.
Specifications
| Manufacturer | ADC |
| Diamond tip | Yes |
| Playback speeds | 33 or 45rpm |
| Compatibility | Mono or Stereo ready |
| NOT for 78rpm | Yes |
| Used in many turntable brands | Yes |
| For the ADC "DIGITAL" Series III cartridge | Yes |
| Replacement needle for these ADC stylus models | RS/1 (RS I), RS/2 (RS II), RS/3 (RS III), RS/4 (RS IV), ASTRION XT (Elliott Electronic Supply) |
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