{"product_id":"klein-hummel-oy-rare-vintage-active-studio-monitors-tested-working-germany","title":"KLEIN+HUMMEL OY Rare Vintage Active Studio Monitors Tested Working Germany","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis unit has been professionally checked, serviced and tested before listing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA working video can be provided before shipping.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWe provide careful international packaging, insured shipping and 30-day functional warranty.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis is a collector-grade vintage audio item, not a random untested unit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🎙️ Time that still sounds\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Klein + Hummel OY is a rare vintage German active 3-way monitor pair with a natural, lively and highly comfortable presentation. These speakers are valued not only for their sound, but also for their place in studio audio history.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eUnlike standard passive speakers, the OY was designed as a complete active monitoring system, where drivers and amplification work together. This gives the sound a direct, controlled and honest character that many vintage audio lovers and collectors appreciate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🧠 Why this model is special\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe OY is historically important because it is recognized as one of the earliest active studio monitors ever made. Introduced in the late 1960s, it represents an important step in professional monitor design and remains a very collectible piece today.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e🎧 Key features\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Rare active 3-way German studio monitor pair\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Natural, open and highly comfortable sound\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• 240 mm woofer with paper cone and strong magnet system\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• 100 mm midrange driver with level adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• 19 mm Electro-Voice T35 horn tweeter with level adjustment\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Fully working condition\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e• Cosmetic condition shown in the photos\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e📦 Dimensions \u0026amp; Weight\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDimensions (W × H × D):\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e48 × 31 × 23 cm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e18.9 × 12.2 × 9.1 in\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWeight:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e16 kg each\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e35.3 lb each\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e⚙️ Technical Information\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eModel: Klein + Hummel OY\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eType: Active 3-way studio monitors\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMade in: Germany\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eYear: approximately late 1960s\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWoofer: 240 mm paper cone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMidrange: 100 mm paper\/wool cone, adjustable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eTweeter: 19 mm Electro-Voice T35 horn, adjustable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eRated LF power: 30 W\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eRated MF\/HF power: 30 W\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eCrossover frequencies: 500 Hz \/ 3000 Hz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThis pair is ideal for collectors, studio audio enthusiasts, and buyers looking for rare vintage active monitors with real historical significance. Items like this are becoming harder to find in complete, working condition.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!-- GLOBAL_OPT_REQUIRED_FOOTER_START --\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e🔔 Follow Our Store Now\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eClick \"♥ 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\u003e\u003cstrong\u003e👉 Warranty and Service\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIncludes a 30-day global OPT warranty.\u003c\/p\u003e\n\u003cp\u003eYou will receive a product and packaging inspection video before shipping.\u003c\/p\u003e\n\u003cp\u003eRepairs, maintenance, and extended warranties are available upon request.\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\u003eItems are shipped from the USA, Poland, or Ukraine. 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\u003eClick \"Ask a Question\" on eBay. 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\n\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":55234309587266,"sku":"source-state-bea07da0-b483-488a-affe-cfe6a5eaa75d-target-ce043822-62ef-4169-bb6a-4628488bbe8e-rv-cae91a95f34d24f5fe","price":1871.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1014\/7201\/0562\/files\/media_f6c0b24c-7a19-47a3-98ff-401e915d1a6e-2587b1e4aa.jpg?v=1785009176","url":"https:\/\/shop.globalopt.store\/products\/klein-hummel-oy-rare-vintage-active-studio-monitors-tested-working-germany","provider":"Global OPT Tested Vintage Audio","version":"1.0","type":"link"}