Heathkit AD-30
A Garrard turntable mechanism with no plinth, no cartridge and no cables, for the builder who already had the rest figured out.
Overview
The AD-30 is not a complete record player. It is the mechanism-only version of Heathkit's AD-10 stereo record player kit, sold without the cartridge, mounting base, and cables. Heathkit's own catalog copy priced it at $22.95 and listed it at 8 lbs - two pounds lighter than the full AD-10, which tells you what got left in the box.
The mechanism is a Garrard, which Heathkit described in its catalog as "made by famous Garrard of England to superb specifications." The turntable is a heavy, rubber-matted platter, shock-mounted. The idler wheels retract when the unit is switched off, which is aimed at the flat-spot problem that plagues idler-drive decks left sitting in one position. Drive comes from a line-filtered, four-pole induction motor running at 16, 33½, 45, and 78 rpm. That four-speed spread is a period tell: 16 rpm was still around in 1960, and 78 hadn't yet been written off.
Assembly is minimal by Heathkit standards. The AD-30 is mechanism only - less cartridge, base and cables - while the AD-10's mechanism and vinyl-covered mounting base arrive pre-assembled and its tonearm comes pre-wired. So the "kit" is closer to a final assembly than a from-scratch build. The full AD-10 adds a "plug-in" cartridge feature and ships with a Sonotone STA4-SD ceramic stereo turnover cartridge fitted with a .7 mil diamond and a 3 mil sapphire stylus. The AD-30 buyer supplies their own. The arm is designed to accept a cartridge without soldering, so leaving it out of the kit costs the buyer nothing in convenience.
The complete AD-10 measures approximately 15" W x 13" D x 6" H with a 12" record on the table, and the whole assembly weighs 10 lbs. The AD-30's 8 lbs is the mechanism alone, without base and cables. Heathkit styled the AD-10 in cocoa brown and beige.
Heathkit's advertising in the spring of 1960 pitched the companion AA-50 stereo amplifier-preamplifier alongside the record player line. The same "fine quality, low cost" framing ran in High Fidelity (May 1960, p.8) and HiFI-Stereo (June 1960, p.18), where the AA-50 appeared at $79.95. The record player kits were marketed in the same breath, as the front end for a budget stereo system built around Heathkit's own electronics. The AD-30's $22.95 price put the mechanical half of a turntable within reach of a hobbyist who already owned a base, a cartridge, and a soldering iron.
The AD-30 is not a high-end transcription deck. It is an idler-drive changer mechanism from Garrard's mainstream line, packaged by Heathkit for the kit market.
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