ADC XL-40 (c. ????–????)

The XL-40's replacement stylus is what's left of the cartridge. The original cartridge itself is barely documented.

Overview

The ADC XL-40 is a phono cartridge that turns up in parts catalogs and replacement listings, not in brochures or vintage reviews. ADC is better known for its moving magnet designs like the XLM series and for the Sound Shaper equalizers. The XL-40 itself has slipped through the cracks of documentation, and only its stylus is left to go on.

The XL-40 survives today almost only as a replacement needle, not as a complete cartridge in collector hands. LP Gear and LP Tunes list the ADC XL-40 stylus as a service part, which suggests the original cartridge once existed. Nothing says when it was introduced, who designed it, or what turntable it was meant for. There are no original specs for output, tracking force or compliance. No weight, no dimensions, no circuit diagrams.

Someone still buys the replacement stylus, so someone still has an XL-40 mounted or keeps one in reserve. LP Gear sells it for $36.95. That price is for the stylus assembly, not the full cartridge. According to the vendor, the stylus delivers "superior tracing of record grooves," helps preserve your vinyl, and ensures "superbly accurate reproduction" of music and voice. That may be marketing speak or measurable performance. Either way, it's still being made.

ADC's reputation rests largely on its moving magnet cartridges, particularly the XLM line, which are still praised for their clarity and tracking. The XL-40 appears to belong to that same family, though the fact sheet doesn't confirm it. If it does, it likely shares their modest output and reliable magnet structure. Without specs or lineage, that's guesswork.

What’s clear is that the XL-40 wasn’t a flagship. It didn’t get the press, the reissues, or the forum deep dives. It’s not the cartridge you brag about at meetups. But for someone, it’s the one that came with their old Fisher, or their Technics, or that dusty dual-chassis console in the basement. And when the diamond finally wore down after decades of Sunday jazz sessions, they searched the part number, found the replacement, and kept it spinning. That’s its legacy—not in specs or reviews, but in quiet continuity.

Specifications

Manufacturer	ADC
Product type	Phono cartridge
Stylus tip shape	Special elliptical diamond
Stylus scanning radii	.0003 x .0007 inch
Cantilever material	Thin-wall metal alloy