{"product_id":"opera-callas-diva-floorstanding-speakers-pair","title":"Opera Callas Diva Floorstanding Speakers; pair","description":"\u003cp\u003eThe Opera Callas Diva brings the performance of Opera's flagship Grand Callas into a more compact floorstanding design, reaching down to 30Hz with 90dB sensitivity. This three-way speaker features premium Scan-Speak drivers throughout, including an 8-inch long-throw woofer, 7-inch midrange, and the signature rear-firing dipole system with dual out-of-phase tweeters for an immersive, three-dimensional soundstage.\u003c\/p\u003e\n\n\u003ch5\u003eKey Features of the Opera Callas Diva\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8\" Scan-Speak Long-Throw Woofer:\u003c\/strong\u003e Aluminum cone with rubber surround in reflex-loaded configuration delivers deep, controlled bass to 30Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7\" Midrange Driver:\u003c\/strong\u003e Annealed polypropylene cone with phase plug and 12mm peak-to-peak linear displacement for exceptional vocal clarity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScan-Speak 9700 Tweeter:\u003c\/strong\u003e Premium 1-inch dome tweeter with symmetrized magnetic circuits and flux stabilization rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Dipole Rear Radiation:\u003c\/strong\u003e Two rear-firing tweeters configured out-of-phase create a natural dipole effect for expansive soundstage depth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Bass Response:\u003c\/strong\u003e Closeable reflex port allows fine-tuning for different room acoustics and placement options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShaped Front Panel:\u003c\/strong\u003e Optimized geometry enables \"close listening\" from approximately 1.5 meters for intimate musical experiences.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eThe Callas Line from Opera Loudspeakers\u003c\/h5\u003e\n\u003cp\u003eOpera's Callas series represents the pinnacle of their speaker design, named after the legendary soprano Maria Callas. Each Callas speaker features the distinctive rear-firing dipole system: two additional tweeters arranged in a natural dipole configuration that adds depth and spatial information to the soundstage. The result is a listening experience that transcends typical box speakers, approaching the openness of panel designs while maintaining the dynamic punch of traditional cone drivers.\u003c\/p\u003e\n\n\u003ch5\u003eThree-Way Driver Topology\u003c\/h5\u003e\n\u003cp\u003eThe Callas Diva employs a true three-way configuration with dedicated drivers for bass, midrange, and treble. The 8-inch Scan-Speak woofer features an aluminum cone and long-throw motor structure, loaded in a reflex enclosure for extended bass response. The 7-inch midrange uses an annealed polypropylene cone with phase plug, offering 12mm of linear excursion for distortion-free reproduction of vocals and instruments. The Scan-Speak 9700 tweeter handles frequencies above 2kHz with symmetrized magnetic circuits eliminating flux modulation distortion.\u003c\/p\u003e\n\n\u003ch5\u003eNatural Dipole Rear Radiation System\u003c\/h5\u003e\n\u003cp\u003eBehind the Callas Diva, two additional tweeters fire rearward in a natural dipole arrangement. These tweeters are wired out of phase with each other, creating a figure-eight radiation pattern that mimics the behavior of planar and electrostatic speakers. An independent crossover filter allows adjustment of the rear tweeter level to optimize the soundstage for different room acoustics and listener preferences. The result is a three-dimensional presentation with depth, width, and height that conventional forward-firing speakers struggle to achieve.\u003c\/p\u003e\n\n\u003ch5\u003eRoom Adaptation and Placement\u003c\/h5\u003e\n\u003cp\u003eThe Callas Diva offers remarkable flexibility in room placement. The shaped front panel enables nearfield listening from as close as 1.5 meters, while the adjustable rear tweeters and closeable bass port accommodate everything from small studios to larger living spaces. For rooms with reflective rear walls, reducing the rear tweeter level tames excess ambience. In well-treated spaces, running them at full level maximizes the dipole effect for concert-hall depth.\u003c\/p\u003e\n\n\u003ch5\u003eSystem Matching Recommendations\u003c\/h5\u003e\n\u003cp\u003eWith 90dB sensitivity and 4 ohm nominal impedance (3.2 ohm minimum), the Callas Diva rewards quality amplification. The speakers handle up to 240 watts, making them suitable partners for everything from refined tube amplifiers to high-current solid-state designs. Consider amplifiers from \u003ca href=\"\/collections\/unison-research\"\u003eUnison Research\u003c\/a\u003e, \u003ca href=\"\/collections\/rogue-audio\"\u003eRogue Audio\u003c\/a\u003e, or \u003ca href=\"\/collections\/primare\"\u003ePrimare\u003c\/a\u003e to maximize the Callas Diva's potential.\u003c\/p\u003e\n\n\u003ch5\u003eExplore the Opera Callas Series\u003c\/h5\u003e\n\u003cp\u003eThe Callas Diva is the compact floorstanding option in Opera's flagship Callas lineup. Looking for a different form factor? Explore the full series:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/opera-callas-bookshelf-speakers\"\u003eOpera Callas\u003c\/a\u003e\u003c\/strong\u003e - Stand-mount speaker with the same rear dipole technology in a bookshelf design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/products\/opera-grand-callas-loudspeakers-pair\"\u003eOpera Grand Callas\u003c\/a\u003e\u003c\/strong\u003e - Full-size flagship floorstanding speaker with the ultimate expression of Opera's dipole technology.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch5\u003eTHE LISTENING ROOM DIFFERENCE\u003c\/h5\u003e\n\u003cp\u003eWe're a third-generation family business with a brick-and-mortar showroom in Chestertown, Maryland, and a reputation built on trust, not hype. Whether you're visiting in person or ordering online, we bring decades of experience, personalized service, and honest guidance to every interaction. We don't just ship boxes. We help build systems, answer your questions like real humans, and make sure every detail of your setup is right, from the cables to the final connection.\u003c\/p\u003e\n\n\u003ch5\u003eOpera Callas Diva Specifications\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3-way floorstanding speaker with rear dipole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWoofer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\" Scan-Speak, aluminum cone, long-throw, reflex-loaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMidrange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\" annealed polypropylene cone with phase plug, 12mm linear displacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFront Tweeter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\" Scan-Speak 9700 dome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRear Tweeters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 x tweeters in natural dipole configuration (out-of-phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30Hz - 25,000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e90 dB (2.83V\/1m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMinimum Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrossover Frequencies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200Hz \/ 2,000Hz (12dB\/octave slopes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e240W (without clipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e53.5 x 37 x 116 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e65 kg each (including metal base)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinishes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMahogany, Walnut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Opera","offers":[{"title":"Walnut","offer_id":67848584986993,"sku":"OPERACALDIVAWN","price":7929.39,"currency_code":"USD","in_stock":true},{"title":"Mahogany (Special Order)","offer_id":67848585019761,"sku":"OPERACALDIVAMAHY","price":7929.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/5215\/1921\/files\/01_walnut_front.jpg?v=1792518605","url":"https:\/\/sliyden.store\/products\/opera-callas-diva-floorstanding-speakers-pair","provider":"sliyden.store","version":"1.0","type":"link"}