ADC RP32 ()
A tiny diamond tip with a surprisingly long shadow—this elliptical needle keeps a fleet of vintage ADC cartridges spinning, even if the original specs have vanished into the static.
Overview
Let’s get one thing straight: the ADC RP32 isn’t a cartridge. It’s not a turntable. It’s not even something you’d display on a shelf. But if you own an old ADC MI cartridge from the analog heyday, this little part might be the difference between hearing your records or just pushing dust around. The RP32 is a replacement stylus—specifically, an elliptical diamond stylus—designed to drop into a range of ADC’s moving iron (MI) cartridges. And while we don’t know who actually manufactured the original ADC cartridge (the brand “ADC” is all we have), we do know who makes this modern replacement: Jico, a name that’s earned respect among phono purists for precision-stoned diamond tips and tight quality control.
What makes the RP32 useful today isn’t some legendary sonic signature—it’s compatibility. According to parts listings and compatibility charts, this stylus isn’t just for the RP32 cartridge (assuming such a thing existed as a full unit). It’s listed as a direct replacement for a whole alphabet soup of ADC models: RK 8, RLMA 1, RP 30, RQ 36, RSQ32, QLM34mkIII—you name it. That kind of reach suggests ADC had a standardized mounting system across their MI line, and the RP32 became the go-to refresh for worn-out tips. The elliptical grinding means it should theoretically track inner grooves better than a conical tip, pulling out more detail and reducing record wear, assuming your tonearm alignment is dialed in.
It’s worth noting that the stylus uses an aluminum cantilever—the needle carrier—which was a common choice in mid-tier and high-end replacement styli for its light weight and rigidity. Paired with a diamond tip, it’s a simple but effective design, though we don’t have specs on compliance, tracking force, or frequency response—those details either never made it to public documentation or have been lost. And while the package weighs 0.10 kg (yes, they’re shipping a single stylus in enough box to fill a shoe closet), the stylus itself is, of course, microscopic. Handling one feels like defusing a bomb with oven mitts: one slip and you’ve turned a €55 part into a paperweight.
Specifications
| Manufacturer | Jico |
| Weight | 0.10 kg |
| Needle grinding | Elliptical |
| Needle carrier material | Aluminum |
| Cartridge type compatibility | MI (Moving Iron) |
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