{"product_id":"formula-b-that-screamer","title":"Formula B That Screamer","description":"\u003ch3\u003e\u003cspan\u003eThe THAT SCREAMER 4558 is built from the analysis of three original pedals from the Formula B collection: an early‑’80s TS808, a 1982 TS9, and a 1986 TS10.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThree eras, three distinct voices, studied on the bench and faithfully recreated to capture the authenticity and musicality of the classic units.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eInside the Box: Four Voices to Choose From\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe pedal offers four tonal characters, derived directly from the three original models plus a custom hybrid mode. The internal dipswitch lets you select between T808, T9, T10, and a T808+T10 blend that combines warmth and dynamics. The switch is accessible by removing the four rear screws. The factory setting is T808.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eTone and Feel\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe TS4558 delivers a creamy, dynamic, touch‑sensitive overdrive that moves effortlessly from light breakup to a more pronounced midrange push. It preserves the natural character of your guitar and responds musically to picking dynamics and volume changes, blending vintage soul with modern reliability. The four selectable modes let you explore the roundness of the T808, the openness of the T9, the tighter and more modern response of the T10, and a hybrid voice that merges warmth and clarity into a unique fourth character.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eCircuit and Components\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eAt the heart of the pedal is the original JRC4558D op‑amp from Japan Radio Company, paired with carefully selected tantalum capacitors in the tone section. The circuit \u003cem\u003e\u003cstrong\u003edelivers 5 dB more output\u003c\/strong\u003e\u003c\/em\u003e than modern reissues and features \u003cem\u003e\u003cstrong\u003etrue bypass\u003c\/strong\u003e\u003c\/em\u003e switching.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eControls\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eDRIVE adjusts the gain. TONE brightens or darkens the sound. LEVEL sets the output volume.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003e-Current draw: 10 mA @ 9V DC, center‑negative\u003cbr\u003e-Input impedance: 500K Output impedance: 1K\u003cbr\u003e-Dimensions: 122 × 67 × 40 mm (56 mm including footswitch)\u003c\/span\u003e\u003c\/p\u003e","brand":"Formula B Pedals","offers":[{"title":"Default Title","offer_id":63628733317450,"sku":"16525","price":2690.0,"currency_code":"SEK","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/9910\/7402\/files\/formula-b-pedals-overdrive-formula-b-that-screamer-1259649390.jpg?v=1790112461","url":"https:\/\/tgt11.com\/en\/products\/formula-b-that-screamer","provider":"These Go To 11","version":"1.0","type":"link"}