{"product_id":"douk-audio-ampapa-h1","title":"Douk Audio Ampapa H1 Tube Headphone Amp — Class A, 4W Balanced, Preamp","description":"\u003cp class=\"tp-summary\"\u003eThe Douk Audio Ampapa H1 is a tube headphone amplifier and preamp that pairs two ECC83 tubes with a discrete Class A output stage, rated at up to 4W from its 4.4mm and 4-pin XLR balanced outputs. It suits desktop listeners with demanding full-size headphones who also want one box to switch RCA and TRS sources and feed powered speakers.\u003c\/p\u003e\n\u003ch2\u003eWho the Douk Audio Ampapa H1 is for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHard-to-drive headphones:\u003c\/strong\u003e High gain is rated at 4W balanced and 1000mW single-ended, and Douk Audio matches the H1 to headphones from 16Ω to 600Ω.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced headphone owners:\u003c\/strong\u003e 4.4mm and 4-pin XLR balanced jacks sit beside a 6.35mm output, and low, mid and high gain settings cover sensitive, everyday and harder-to-drive headphones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesktop speaker systems:\u003c\/strong\u003e Two RCA inputs and a balanced TRS input feed RCA and TRS preamp outputs, with HP, Line or HP+Line modes and a 12V trigger so linked gear can power on and off together.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube and op-amp rolling:\u003c\/strong\u003e It ships with two PSVANE × Douk Audio ECC83 tubes, which Douk Audio says add a warmer, richer tube character, and the maker lists 12AX7, 6N4 and 5751 tubes and DIP-8 dual op-amps such as the OPA2134 as compatible swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSkip it if:\u003c\/strong\u003e you need a DAC: the H1 has analog RCA and TRS inputs only, so it needs a separate DAC or another source with line-level outputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDouk Audio Ampapa H1 key specs\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Tube headphone amp and preamp: 2 × ECC83 tubes with a discrete Class A output stage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone outputs:\u003c\/strong\u003e 4-pin XLR and 4.4mm balanced, 6.35mm single-ended (6.35mm takes priority and mutes the balanced jacks)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone power:\u003c\/strong\u003e Balanced 4W \/ 2W \/ 1W, single-ended 1000mW \/ 500mW \/ 250mW (high \/ mid \/ low gain)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone impedance:\u003c\/strong\u003e 16–600Ω\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine inputs:\u003c\/strong\u003e 2 × RCA (1V sensitivity), 1 × balanced TRS (2V)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine outputs:\u003c\/strong\u003e 2 × RCA (up to 3.0V), 1 × balanced TRS (up to 6.0V); HP, Line or HP+Line modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e THD+N 0.04%, SNR ≥113dB, 20Hz–20kHz (±0.7dB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls and parts:\u003c\/strong\u003e NJW1195 volume IC, 2 × pluggable LME49720 op-amps, 1.5-inch OLED display, 12V trigger in\/out\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower, size and weight:\u003c\/strong\u003e DC 12V ≥2A (5.5 × 2.1mm), adapter included; 155 × 124 × 42mm, 750g; black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e H1, 2 × ECC83 tubes, DC 12V power adapter, 6.35mm-to-3.5mm adapter, 3.5mm trigger cable, cleaning cloth, user manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"tp-trust\"\u003eGenuine Douk Audio stock. Free shipping on every order, 45-day returns.\u003c\/p\u003e","brand":"Douk Audio","offers":[{"title":"Default Title","offer_id":46347601641607,"sku":"Douk Audio H1","price":195.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0756\/5833\/0247\/files\/14775880478.jpg?v=1793194688","url":"https:\/\/tonepier.com\/products\/douk-audio-ampapa-h1","provider":"TonePier","version":"1.0","type":"link"}