{"product_id":"ibasso-pb5-osprey","title":"iBasso PB5 OSPREY | Balanced Portable Tube Amp","description":"\u003cp\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto; width: 50%;\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ibasso-logo-horiz.jpg?v=1681845587\" alt=\"iBasso logo horizontal\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"bloom-discontinued\"\u003e\n\u003ctable width=\"90%\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: #a30e0b;\"\u003e\u003cstrong\u003e**DISCONTINUED:\u003c\/strong\u003e\u003c\/span\u003e iBasso's PB5 Osprey Portable Tube Amp is sold out and discontinued. Check out the newest version, the \u003ca href=\"https:\/\/bloomaudio.mom\/products\/ibasso-pb6-macaw?_pos=1\u0026amp;_psq=pb6\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"iBasso PB6 Macaw\"\u003eiBasso PB6 Macaw\u003c\/a\u003e!\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch4\u003eExperience the Magic of Tube Amps in Your Pocket with iBasso PB5 OSPREY\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePowered by Dual Nutube 6P1 vacuum tubes\u003c\/li\u003e\n\u003cli\u003eUses an advanced power supply with 6 (!!!) batteries to provide consistency electrical separation between components\u003c\/li\u003e\n\u003cli\u003e24 Position, 4 Section Stepped Attenuator offers true analog volume control with unrivaled channel balance\u003c\/li\u003e\n\u003cli\u003eCutting edge components and construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ibasso-pb5-osprey-lifestyle.webp?v=1741375657\" width=\"2048\" height=\"1360\" alt=\"iBasso PB5 Osprey tube amp laying face up on vinyl record with green case\"\u003e\u003c\/p\u003e\n\u003ctable width=\"90%\" bgcolor=\"”#f6f6f6”\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan style=\"color: #a30e0b;\"\u003e\u003cstrong\u003eBloom's Take\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe iBasso PB5 Osprey redefines portable tube amplification, blending the warmth and richness of dual 6th-gen Korg NuTube technology with the precision of a solid-state design. Delivering a spacious soundstage, smooth mids, and refined highs, the PB5 provides a natural, engaging musicality without sacrificing detail or control.\u003c\/p\u003e\n\u003cp\u003eWith its fully balanced architecture, swappable op-amps, and impressive power output, it’s a true audiophile-grade amp that brings the magic of tubes to your on-the-go setup. Whether paired with IEMs or full-sized headphones, the Osprey soars with dynamic, immersive sound.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/bloomaudio.mom\/blogs\/articles\/epic-tranportable-hifi-ibasso-d16-taipan-pb5-osprey-review?_pos=2\u0026amp;_sid=7d72c9df1\u0026amp;_ss=r\" title=\"Epic Transportable HIFI: iBasso D16 Taipan and PB5 Osprey Review\"\u003eRead the full review here\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/jAh8vWPhtzM?si=Y6j2O1AQ3l55H8m-\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003ch3\u003eDual Nutube 6P1 Vacuum Tubes\u003c\/h3\u003e\n\u003cp\u003eManufactured by KORG and Noritake, the 6th Gen Nutube operates exactly as a conventional triode vacuum tube and creates the same characteristic rich overtones that are sought after in triode tubes. At the same time, Nutube achieves substantial power savings, miniaturization, and quality improvements when compared with many conventional vacuum tubes. Voltage amplification is achieved with the Nutube, which results in a captivating and distinctive vacuum tube sound, all while maintaining exceptional linearity.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ibasso-pb5-tubes.jpg?v=1706193027\" alt=\"dual Nutubes closeup removed from PB5\"\u003e\u003c\/p\u003e\n\u003ch3\u003eEfficient Pure Power Supply\u003c\/h3\u003e\n\u003cp\u003eThe PB5 utilizes six batteries to establish a robust power supply system. The Nutubes are powered by 2 batteries while the other 4 batteries function as the power supply for the secondary amplifier. With an efficient and pure power supply, you will experience immersive and crystal-clear sound.\u003c\/p\u003e\n\u003ch3\u003e24 Position, 4 Section Stepped Attenuator\u003c\/h3\u003e\n\u003cp\u003eExtremely diminutive 24 position, 4 section stepped attenuator. Optimal analog volume control enhances the ability to showcase the distinct analog characteristics of our vacuum tube amplifier. Channel imbalance is within a range of less than +\/-0.1dB. When adjusting the volume, the noise floor is simultaneously attenuated.\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"iBasso PB5 with exterior removed revealing attenuator components\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ibasso-pb5-attenuator.jpg?v=1706193343\"\u003e\u003c\/p\u003e\n\u003ch3\u003e2-Step Suspension \u0026amp; Cathode Input\u003c\/h3\u003e\n\u003cp\u003eThe two-step suspension absorbs vibration mechanically and minimizes microphonic effect. The cathode input reduces the impedance, resulting in reduced signal interference from external sources.\u003c\/p\u003e\n\u003ch3\u003eCutting Edge Components for Ultimate Analog Sound\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e24 position 4 section stepped attenuator with a channel tolerance of less than +\/-0.1dB.\u003c\/li\u003e\n\u003cli\u003eTexas Instruments classic OPAMP OPA827, known for its exceptional performance and rich analog characteristics.\u003c\/li\u003e\n\u003cli\u003eLow VCEsat (BISS) dual transistors with a high output current of up to 2 amps.\u003c\/li\u003e\n\u003cli\u003eiBasso custom film capacitors contribute to the natural analog magic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ibasso-pb5-osprey-lifestyle-two.webp?v=1741375754\" width=\"2048\" height=\"1360\" alt=\"iBasso PB5 Osprey tube amp bottom outputs closeup sitting on player\"\u003e\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 9Vrms (4.4mm BAL) | 4.5Vmrs (3.5mm SE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power\u003c\/strong\u003e：1700mW+1700mW @ 32Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Impedance:\u003c\/strong\u003e 0.25Ω (4.4mm BAL) | 0Ω (3.5mm SE)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e 20Hz-40kHz +0.5dB\/-2dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Headphone Impedance:\u003c\/strong\u003e 8~600Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Port:\u003c\/strong\u003e 4.4mm TRRRS BAL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Port:\u003c\/strong\u003e 4.4mm TRRRS BAL | 3.5mm TRRS SE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGain:\u003c\/strong\u003e +11.5dB (High Gain) | +2dB (Low Gain)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e Size:\u003c\/strong\u003e 5.4\" x 3.2\" x 1.1\" (139mm x 82mm x 28mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12.4 oz (352g)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIn the Box \u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePB5 OSPREY\u003c\/li\u003e\n\u003cli\u003eProtective case\u003c\/li\u003e\n\u003cli\u003e(x2) 4.4mm interconnect cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/DSC01275_2048x2048.jpg?v=1706043604\" alt=\"iBasso PB5 Osprey in the box\"\u003e\u003c\/p\u003e","brand":"iBasso","offers":[{"title":"New","offer_id":41737533128779,"sku":"IBS-PB5-OSPREY","price":1799.0,"currency_code":"USD","in_stock":false},{"title":"Open Box","offer_id":41737533161547,"sku":"IBS-PB5-OSPREY-OB","price":1399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0023\/9255\/5595\/files\/ibasso-pb5-0-thumb.jpg?v=1706131715","url":"https:\/\/bloomaudio.mom\/products\/ibasso-pb5-osprey","provider":"Bloom Audio","version":"1.0","type":"link"}