{"product_id":"mesa-boogie-6l6-gc-str-448-duet-amplifier-tubes-750635d","title":"Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes - 750635D","description":"\u003ch2\u003eMesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes\u003c\/h2\u003e\u003ch3\u003eBalanced 6L6 punch, generous headroom, and a warm, cohesive top end\u003c\/h3\u003e\u003cp\u003eThe Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes are built for players who want clear headroom, firm low-end response, and a strong but controlled attack. Their balanced voicing combines rich bass, full mids, and present highs that remain warm rather than sharp.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThe STR 448 is a premium-grade beam power tetrode screened for consistency and reliability in high-voltage 6L6 amplifier circuits. A 30-watt plate-dissipation rating supports clean authority and powerful overdrive, while the tube's controlled low end and cohesive upper range work across blues, rock, high-gain, and clean-platform applications.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Type:\u003c\/strong\u003e Beam Power Tetrode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube Class:\u003c\/strong\u003e 6L6GC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSet Format:\u003c\/strong\u003e Duet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater Voltage:\u003c\/strong\u003e 6.3 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeater Current:\u003c\/strong\u003e 0.9 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Plate Voltage:\u003c\/strong\u003e Approximately 500–550 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Screen Voltage:\u003c\/strong\u003e 450 V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlate Dissipation:\u003c\/strong\u003e 30 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScreen Dissipation:\u003c\/strong\u003e 5 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Idle Current:\u003c\/strong\u003e Approximately 23–30 mA per tube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransconductance:\u003c\/strong\u003e Approximately 5,000–6,000 micromhos\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase:\u003c\/strong\u003e Octal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Height:\u003c\/strong\u003e 3.75–4.0\"\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eWhy you should choose the Mesa Boogie 6L6 GC STR 448 Duet Amplifier Tubes\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003eThis duet is an effective choice when a compatible amplifier needs dependable 6L6 headroom without sacrificing warmth or musical punch. Its even response allows the amplifier's own preamp and tone controls to remain the centre of the sound.\u003c\/p\u003e","brand":"Mesa Boogie","offers":[{"title":"Default Title","offer_id":48233719562461,"sku":"750635D","price":154.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1507\/1680\/files\/0000_32538411-dd60-47fe-923e-94cd74b845db.jpg?v=1784821756","url":"https:\/\/shop.theartsmusicstore.com\/products\/mesa-boogie-6l6-gc-str-448-duet-amplifier-tubes-750635d","provider":"The Arts Music Store","version":"1.0","type":"link"}