{"product_id":"sadowsky-on-board-preamp-4-knob","title":"Sadowsky On-Board Preamp 4-Knob","description":"\u003cp data-start=\"184\" data-end=\"444\"\u003eThe Sadowsky Onboard Bass Preamp (4-Knob System) is a fully prewired unit that delivers the same renowned active electronics and control layout found in all Sadowsky basses. It’s designed for easy installation in most J-style basses with a metal control plate.\u003c\/p\u003e\n\u003cp data-start=\"446\" data-end=\"709\"\u003eFor newer active J-style basses with a side-mounted output jack and battery compartment, installation typically requires no modification. In passive basses, the only necessary changes are relocating the output jack to the side and creating space for a 9V battery.\u003c\/p\u003e\n\u003cp data-start=\"711\" data-end=\"724\"\u003e\u003cstrong data-start=\"711\" data-end=\"724\"\u003eControls:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"725\" data-end=\"808\"\u003e\n\u003cli data-start=\"725\" data-end=\"737\"\u003e\n\u003cp data-start=\"727\" data-end=\"737\"\u003e\u003cstrong data-start=\"727\" data-end=\"737\"\u003eVolume\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"738\" data-end=\"757\"\u003e\n\u003cp data-start=\"740\" data-end=\"757\"\u003e\u003cstrong data-start=\"740\" data-end=\"757\"\u003ePan (Balance)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"758\" data-end=\"790\"\u003e\n\u003cp data-start=\"760\" data-end=\"790\"\u003e\u003cstrong data-start=\"760\" data-end=\"790\"\u003eVTC (Vintage Tone Control)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"791\" data-end=\"808\"\u003e\n\u003cp data-start=\"793\" data-end=\"808\"\u003e\u003cstrong data-start=\"793\" data-end=\"808\"\u003eTreble\/Bass\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"810\" data-end=\"1044\"\u003eThe \u003cstrong data-start=\"814\" data-end=\"833\"\u003etreble and bass\u003c\/strong\u003e controls are \u003cstrong data-start=\"847\" data-end=\"861\"\u003eboost-only\u003c\/strong\u003e; for a flat EQ, set them fully counterclockwise. The \u003cstrong data-start=\"915\" data-end=\"922\"\u003eVTC\u003c\/strong\u003e is a \u003cstrong data-start=\"928\" data-end=\"952\"\u003epassive tone control\u003c\/strong\u003e, offering a flat response at maximum. Turning it down gradually rolls off high frequencies.\u003c\/p\u003e\n\u003cp data-start=\"1046\" data-end=\"1334\"\u003eThe preamp can be installed using the included metal control plate or mounted through a rear control cavity, either in a 4-in-line or diamond configuration. Note that this system is \u003cstrong data-start=\"1228\" data-end=\"1266\"\u003enot compatible with active pickups\u003c\/strong\u003e that require volume or balance pots rated outside \u003cstrong data-start=\"1317\" data-end=\"1333\"\u003e250K or 500K\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1046\" data-end=\"1334\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1046\" data-end=\"1334\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/9cV8FC7tSyk?si=14jNxi9QX7WBZYzk\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Bass Centre","offers":[{"title":"Default Title","offer_id":46730715070703,"sku":"SD-OB-PRE-4K","price":255.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0254\/4071\/files\/SAC_ELE_ONBOARD_BP4K_01.jpg?v=1754549169","url":"https:\/\/www.basscentre.com.au\/products\/sadowsky-on-board-preamp-4-knob","provider":"Bass Centre","version":"1.0","type":"link"}