{"product_id":"audio-technica-at-cap4-multi-function-cartridge-alignment-protractor-stroboscope-disc","title":"Audio Technica - AT-CAP4 Multi-Function Cartridge Alignment Protractor + Stroboscope Disc","description":"\u003cp\u003e\u003cstrong\u003eTwo-sided turntable setup tool — align your cartridge AND calibrate platter speed with one disc.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAdjust cartridge overhang, offset, and null points, and calibrate your turntable platter speed with the two-sided Audio-Technica AT-CAP4. The alignment side features an overhang adjustment section (10–20 mm range) plus null points for four alignment geometries — Baerwald, Stevenson, Löfgren B, and UNI-DIN — so you can dial in optimal tracking, minimize distortion, and ensure even record wear. Flip it over and the stroboscope side calibrates platter speeds of 33-1\/3, 45, and 78 RPM at 50 or 60 Hz (requires an incandescent or strobe light, not included).\u003c\/p\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTwo-sided: cartridge alignment\/overhang side + stroboscope speed-calibration side\u003c\/li\u003e\n\u003cli\u003eNull points for Baerwald, Stevenson, Löfgren B, and UNI-DIN geometries\u003c\/li\u003e\n\u003cli\u003eCalibrates 33-1\/3, 45, and 78 RPM at 50\/60 Hz\u003c\/li\u003e\n\u003cli\u003e12\" diameter, 2.0 mm thick, 165 g\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio Technica","offers":[{"title":"Default Title","offer_id":43555421880526,"sku":"AT-CAP4","price":40.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/5027\/0926\/files\/1-audio-technica-at-cap4_2a057f98-e255-45ab-a3a7-aa2c9228ff64.jpg?v=1780789624","url":"https:\/\/www.theingroove.com\/products\/audio-technica-at-cap4-multi-function-cartridge-alignment-protractor-stroboscope-disc","provider":"The 'In' Groove","version":"1.0","type":"link"}