{"product_id":"jackson-audio-1484-silvertone-twin-twelve-preamp","title":"Jackson Audio 1484 Silvertone Twin Twelve Preamp\/Overdrive","description":"\u003cp\u003e\u003cstrong\u003eThe Jackson Audio 1484 rebuilds the beloved 1963-1967 Silvertone Twin Twelve amplifier circuit part-for-part, swapping every vacuum tube for a JFET transistor, so a single stompbox can act as a studio-grade preamp, clean booster, EQ, or vintage American overdrive.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy guitarists choose the 1484\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAn officially licensed, part-for-part recreation of the Silvertone 1484 Twin Twelve amp circuit, not a generic amp-in-a-box emulation.\u003c\/li\u003e\n\u003cli\u003eAn internal voltage doubler converts the 9V supply to 18V internally for extra headroom and touch sensitivity.\u003c\/li\u003e\n\u003cli\u003eA 3PDT soft-click true bypass switch removes the loud pop typically associated with true bypass switching.\u003c\/li\u003e\n\u003cli\u003eCustom-manufactured knob reproductions and a hand-built, laser-cut stainless steel enclosure echo the original amplifier's look and durability.\u003c\/li\u003e\n\u003cli\u003eFour amp-style controls (Volume, Bass, Treble, Gain) can dial in a clean preamp tone, a sparkly overdrive, or the classic bass-up\/treble-back Silvertone voice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eControls and switches\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVOLUME\u003c\/strong\u003e — Sets overall output level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBASS\u003c\/strong\u003e — Boosts or cuts low frequencies in the recreated Twin Twelve tone stack.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTREBLE\u003c\/strong\u003e — Boosts or cuts high frequencies; back off treble and push bass for the classic red-and-white Silvertone tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGAIN\u003c\/strong\u003e — Sets drive amount from a clean preamp base to sparkly, smooth overdrive when driven with the other controls near noon.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePower and pedalboard compatibility\u003c\/h3\u003e\n\u003cp\u003eRuns on a 9V DC center-negative supply drawing 35mA; an internal voltage doubler boosts this to 18V internally, and a 9V power supply is optional at checkout rather than included by default. No battery operation is published for this pedal.\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eJackson Audio 1484 Silvertone Twin Twelve Preamp\/Overdrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEffect type\u003c\/td\u003e\n\u003ctd\u003eAmp-in-a-box preamp \/ booster \/ EQ \/ overdrive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eVOLUME, BASS, TREBLE, GAIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBypass\u003c\/td\u003e\n\u003ctd\u003eTrue bypass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance\u003c\/td\u003e\n\u003ctd\u003e1000 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e9 Volt DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent draw\u003c\/td\u003e\n\u003ctd\u003e35 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003e1484\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGTIN\u003c\/td\u003e\n\u003ctd\u003e649985848032\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eASIN\u003c\/td\u003e\n\u003ctd\u003eB0B77YW5QM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5-year Jackson Audio VIP Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1484 come with a power supply?\u003c\/strong\u003e Not by default. Jackson Audio sells the 1484 as pedal-only, with a 9V power supply available as a paid add-on option at checkout.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat amp is the 1484 based on?\u003c\/strong\u003e The officially licensed 1963-1967 Silvertone Twin Twelve amplifier circuit, recreated part-for-part with JFET transistors replacing every original vacuum tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1484 as a clean boost instead of an overdrive?\u003c\/strong\u003e Yes. Keeping GAIN low delivers a clean preamp tone you can use purely for EQ shaping and level boost, while raising GAIN moves into sparkly, smooth overdrive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1484 have MIDI or presets?\u003c\/strong\u003e No. The 1484 is a fully analog, knob-controlled pedal with no MIDI, digital control, or stored presets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the enclosure made of?\u003c\/strong\u003e A hand-built, polished, laser-cut stainless steel enclosure co-branded with Silvertone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat power does the 1484 need?\u003c\/strong\u003e A 9V DC center-negative supply; an internal voltage doubler raises this to 18V internally, drawing 35mA from the external supply.\u003c\/p\u003e","brand":"Jackson Audio","offers":[{"title":"Default Title","offer_id":46354939183357,"sku":"649985848032","price":349.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/7100\/7485\/files\/jackson-audio-1484-silvertone-twin-twelve-preamp-front.jpg?v=1785537219","url":"https:\/\/pedalzoo.com\/products\/jackson-audio-1484-silvertone-twin-twelve-preamp","provider":"Pedalzoo","version":"1.0","type":"link"}