{"product_id":"cayin-ha-2a","title":"Cayin HA-2A","description":"\u003cp\u003e\u003cstrong\u003ePrecisely Crafted Amplifier with Vintage Vacuum Tubes\u003c\/strong\u003e\u003cbr\/\u003e\n\u003cstrong\u003eA carefully engineered circuit with five vintage NOS vacuum tubes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe amplifier has a stunning sound, rich in detail, with a wide soundstage and excellent musicality. It also offers the unique mellowness and warmth of vintage NOS vacuum tubes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecialized Single-ended Class A Tuning\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Cayin engineers have designed an amplification circuit in single-ended Class A to take full advantage of the characteristics of each NOS vacuum tubes.\u003c\/p\u003e\n\u003cp\u003eThrough ingenious design and carefully planned wiring, Cayin preserved the balanced, mellow, warm sound and rich harmonic characteristics during the tuning processes.\u003c\/p\u003e\n\u003cp\u003eMulti-stage filtering and low-noise FET voltage regulating circuit, along with in-house developed Z11 core EI output transformer, achieve perfect driving for headphone loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCritical Core-Competence in Making Tube Amplifier\u003c\/strong\u003e\u003cbr\/\u003e\n\u003cstrong\u003eIn-house Developed Wide-bandwidth Transformers\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTransformer plays a vital role in transformer coupled vacuum tube amplifier. The design and implementation of transformers become an important part of Cayin's product tuning.\u003c\/p\u003e\n\u003cp\u003eThe output transformer and power transformer use high-quality wide-bandwidth EI transformers specially developed for HA-2A. They use Z11 EI type iron core from Japan, and are wounded using Cayin's precise hand-winding process.\u003c\/p\u003e\n\u003cp\u003eWith a fully enclosed metal casing and resin sealing, these transformers deliver ample power with high efficiency and extremely low distortion because the magnetic field interference has been reduced to a satisfactory level.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFully Optimized Headphone Outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo meet all your headphone needs and facilitate a satisfactory musical journey in any occasions, Cayin support a vast variety of headphones in the markets by providing choice of connectors, output powers and impedance.\u003c\/p\u003e\n\u003cp\u003eImpedance Matched Headphone Output\u003cbr\/\u003e\nHA-2A provides 3 headphone impedance settings, and the amplifier will optimized its output to handle the headphone loading according to the headphone impedance settings. Matching headphone impedance produce a natural sound with well-defined bass. User can experiment other impedance settings according to their preference.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Headphone Connections\u003c\/strong\u003e\u003cbr\/\u003e\nHA-2A provides 3 headphone sets of headphone connectors, two balanced driven and one single-ended The 4-pin XLR connection provides the highest output that can handle the more demanding headphones. The 4.4mm connections is optimized for wider application range, including high sensitivity portable headphones.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2 x Analog Inputs: XLR and RCA\u003c\/strong\u003e\u003cbr\/\u003e\nCan be used with CD players, DAC, portable players, and any audio devices with line level output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference Grade Craftsmanship Point-to-Point Wiring\u003c\/strong\u003e\u003cbr\/\u003e\nAll Cayin vacuum tube amplifiers are point-to-point wired to ensure shortest signal path and better attention to detail, the entire circuitry is hand wired by skillful craftsmen.\u003c\/p\u003e\n\u003cp\u003eThe internal circuits of the HA-2A, from tube connections to resistors and capacitors, are soldered and carefully routed using premium internal wirings to enhance signal transmission speed and low interference throughout the entire circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExquisite, Refined and Delightful Aesthetics\u003c\/strong\u003e\u003cbr\/\u003e\nThe design language of the HA-2A remains consistent with the Cayin 888 3-pieces suit, allowing for seamless integration with the iDAP-8 Digital Streamer and the ¡DAC-8 DAC to form a compact desktop system with compatible function, brilliant audio performance and harmonious aesthetics.\u003c\/p\u003e\n\u003cp\u003eWith overall dimensions of just 270mm x 247mm x 143mm and a weight of only 10kg, it is compact and lightweight, allowing for convenient placement and integrating with existing gears. Dual VU meters with white backlit Retro, dynamic motion and eye-catching.\u003c\/p\u003e\n\u003cp\u003eThe chassis undergoes a complex 14-step metal finishing and painting process (5 rounds of spraying + 6 rounds of sanding + 2 rounds of scrape coating + final baking) to achieve a bright and uniform color with fine contours. A high-density molecular protective film ensures the amplifier can remains premium condition after extensive usage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVacuum Tube Protection Cage\u003c\/strong\u003e\u003cbr\/\u003e\nProtects the vacuum tube, reduce interference and prevents inadvertent contact with the heated vacuum tube during operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAnti-vibration Anti-interference\u003c\/strong\u003e\u003cbr\/\u003e\nReinforced chassis base to minimize microphonic ringing due to impact, vibration and other interference on the vacuum tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e60 seconds Start-up Delay Circuit\u003c\/strong\u003e\u003cbr\/\u003e\nProtect the amplification circuit Minimize pop noise during start up Ensure vacuum tube are warmed up to optimized condition before playback.\u003c\/p\u003e","brand":"Cayin","offers":[{"title":"Silver","offer_id":52457507127562,"sku":"148844","price":1598.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/5340\/0586\/files\/img148843_80350.jpg?v=1769459875","url":"https:\/\/hifi.shop\/en\/products\/cayin-ha-2a","provider":"Hifi \u0026 Friends GmbH","version":"1.0","type":"link"}