{"product_id":"grundig-hi-fi-box-503-audioprisma-rare-vintage-bookshelf-speakers-hi-fi","title":"Grundig Hi-Fi Box 503 Audioprisma Rare Vintage Bookshelf Speakers Hi-Fi","description":"\u003c!-- GLOBAL_OPT_MANAGED_INTRO_START --\u003e\n• Cosmetic condition as in the photos. • Video demo available. • Worldwide shipping with careful packaging.\n\u003c!-- GLOBAL_OPT_MANAGED_INTRO_END --\u003e\u003cp\u003eTechnical Info:\u003c\/p\u003e\u003cp\u003eModel: Grundig Hi-Fi Box 503 Audioprisma\u003c\/p\u003e\u003cp\u003eDevice type: Passive Loudspeaker\u003c\/p\u003e\u003cp\u003eOrigin of this unit: Germany\u003c\/p\u003e\u003cp\u003eRated Power: 35W nominal \/ 50W music power\u003c\/p\u003e\u003cp\u003eImpedance: 4 Ohms\u003c\/p\u003e\u003cp\u003eFrequency Response: 38 - 26,000 Hz\u003c\/p\u003e\u003cp\u003eDrivers: 205 mm cellulose\/wool woofer, 25 mm dome tweeter with acoustic dispersion lens\u003c\/p\u003e\u003cp\u003e🎙️ Time That Still Sounds Alive\u003c\/p\u003e\u003cp\u003eClose your eyes and return to the golden age of real audio. This was the era when equipment was built not only to play music, but to become part of the room, part of the ritual, and part of the owner’s taste. Grundig Hi-Fi Box 503 Audioprisma represents that feeling — mechanical presence, honest controls, and the kind of analog character modern disposable electronics simply cannot copy.\u003c\/p\u003e\u003cp\u003e🎧 What you get beyond the sound\u003c\/p\u003e\u003cp\u003eFeaturing a 205 mm pulp\/wool woofer on an ultra-soft surround paired with the classic Audioprisma acoustic dispersion lens over a 25 mm dome tweeter, this speaker delivers effortless, open German high-fidelity sound. It offers natural midrange warmth, expansive treble distribution, and solid architectural presence that complements any classic stereo system.\u003c\/p\u003e\u003cp\u003eThis is more than a used vintage device. A unit in this condition has already passed a long journey: it was selected, inspected, prepared, and photographed honestly so the buyer can understand exactly what is being purchased. Many similar units online may be cheaper, but they may also be dusty, incomplete, unserviced, cosmetically weaker, or sold without proper testing.\u003c\/p\u003e\u003cp\u003e🧠\u003c\/p\u003e\u003c!-- GLOBAL_OPT_REQUIRED_FOOTER_START --\u003e\n\u003cp\u003e\u003cstrong\u003e🔔 Follow Our Store Now\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e Click \"♥ Save This Seller\" to be the first to receive updates on rare vintage audio products and special offers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📝 Product Description\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe first image is an AI-generated promotional visual and may differ from the actual item.\u003c\/p\u003e\n\u003cp\u003eAll subsequent photos are part of the description and show the actual item and its condition.\u003c\/p\u003e\n\u003cp\u003eDemonstration tapes, reels, records, or accessories shown for demonstration purposes are not included unless explicitly stated.\u003c\/p\u003e\n\u003cp\u003ePlease check the voltage requirements in your area; Adapter not included.\u003c\/p\u003e\n\u003cp\u003eYou will receive a product and packaging inspection video before shipping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📦 Shipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eShipping within 2-3 business days after payment.\u003c\/p\u003e\n\u003cp\u003eA tracking number will be provided.\u003c\/p\u003e\n\u003cp\u003e Standard shipping takes approximately 10 business days.\u003c\/p\u003e\n\u003cp\u003eImport duties, taxes, and customs fees are the responsibility of the buyer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🌍 Worldwide Shipping\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eI have 20 years of experience shipping delicate vintage audio equipment worldwide.\u003c\/p\u003e\n\u003cp\u003eIf your country is not listed, please contact me for shipping options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🔄 Exchange Options\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEquipment purchased from us can be exchanged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⭐ Feedback\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYour satisfaction is important. Please contact me if you have any questions before leaving feedback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e📩 Contact Me\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMy goal is to make your purchase comfortable and secure at every stage. Feel free to ask any questions; I usually respond within 24 hours..\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🌀 Other Products\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe have over 450 vintage audio devices and accessories in stock.\u003c\/p\u003e\n\u003cp\u003eCheck out our other listings and subscribe to our store to stay up-to-date with new arrivals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🔍 VIEW OUR OTHER LISTINGS\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e🙏 Thank you!\u003c\/p\u003e\n\u003cp\u003e— Igor ORT\u003c\/p\u003e\n\u003c!-- GLOBAL_OPT_REQUIRED_FOOTER_END --\u003e","brand":"GLOBAL OPT","offers":[{"title":"Default Title","offer_id":67942196281666,"sku":"source-state-f1d0006d-9b18-4974-b6d0-3f4d88a65673-target-ce043822-62ef-4169-bb6a-4628488bbe8e-rv-d21f53aa4fac33d4fe","price":573.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1014\/7201\/0562\/files\/media_ae353853-12cb-4e97-b101-66556a12934c-f7a16c8d28.jpg?v=1793199040","url":"https:\/\/shop.globalopt.store\/products\/grundig-hi-fi-box-503-audioprisma-rare-vintage-bookshelf-speakers-hi-fi","provider":"Global OPT Tested Vintage Audio","version":"1.0","type":"link"}