{"product_id":"douk-audio-t4-pro-mini-5654-vacuum-tube-phono-preamp-home-stereo-audio-pre-amplifier-headphone-amp","title":"Douk Audio T4 PRO Tube Phono Preamp \u0026 Headphone Amplifier","description":"\u003c!-- x-tinymce\/html --\u003e\n\u003cdiv\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003c!-- x-tinymce\/html --\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eDouk Audio T4 PRO Tube Phono Preamp \u0026amp; Headphone Amplifier\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003eFeatures\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eBring Vinyl Into Your HiFi System: Built for MM turntables, T4 PRO boosts the cartridge’s low-level signal and applies RIAA equalization before sending them through stereo RCA to an amp or active speakers. A dedicated GND terminal helps keep grounding simple and hum under control. \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eBring Out Richer Tube Tone: Dual GE military-grade tubes add warmth, body, and natural texture, while a low-noise circuit and ≥105 dB SNR help keep the background clean. Vocals stay clear, instruments remain well defined, and the music gains a fuller, more inviting tube character.  \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eEnjoy More Ways to Listen: When you’re not spinning records, the AUX input turns T4 PRO into a tube preamp for phones, PCs, and CD players. Its built-in headphone amp drives 32–300Ω headphones directly, bringing tube character to everyday sources and adding an easy option for personal listening.  \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eExplore More Tube Sounds: Replaceable tubes let you try different tonal flavors and find the character you prefer. Compatible types include 5654, 6AK5, EF95, 403B, 5725, 6BA6 and more, giving tube enthusiasts plenty of room to experiment.  \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eBuilt Compact with Lasting Quality: A CNC aluminum chassis keeps T4 PRO compact and sturdy, while heat-resistant ceramic sockets keep tubes secure through long sessions and tube swaps. The polished-rim aluminum knob adds a substantial feel with smooth stepless volume control.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003eParameters\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cb\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eBrand: Douk Audio\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eModel: T4 PRO\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eAudio Inputs: MM Phono \/ 3.5mm AUX\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eAudio Outputs: Stereo RCA \/ 3.5mm Headphone\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eOutput Level: 1.5V\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eInput Sensitivity: 0.775V\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eAUX Frequency Response: 20 Hz–20 kHz (±0.3 dB)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003ePhono Response: Conforms to RIAA Characteristics (±3 dB)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eSNR: ≥105 dB\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eTHD: 0.2% @ 1 kHz\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eHeadphone Output Power: 150 mW @ 32Ω\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eSupported Headphone Impedance: 32–300Ω\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eInput Voltage: DC 12V \/ ≥1.5A\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eDimensions (W × D × H): 95 × 117 × 30 mm \/ 3.74 × 4.61 × 1.18 in \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003eNet Weight: 300 g \/ 0.73 lb\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003ePackage Dimensions (W × D × H): 215 × 255 × 65 mm \/ 8.46 × 10.04 × 2.56 in\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003ePackage Weight: 600 g \/ 1.23 lb\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003e\u003cspan style=\"font-family: Times New Roman;\"\u003ePacking List\u003c\/span\u003e\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003e1 × T4 PRO\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003e2 × Vacuum Tubes\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003e1 × DC 12V Power Adapter\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003e1 × 3.5mm to RCA Cable\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003c!-- [if !supportLists]--\u003e\u003cspan\u003e\u003cspan style=\"mso-list: Ignore;\"\u003e· \u003c\/span\u003e\u003c\/span\u003e\u003c!--[endif]--\u003e\u003cspan\u003e1 × User Manual\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"doukaudio","offers":[{"title":"US","offer_id":47406627913960,"sku":"SUC-T4-PRO-US","price":64.99,"currency_code":"USD","in_stock":true},{"title":"UK","offer_id":47406627946728,"sku":"SUC-T4-PRO-UK","price":64.99,"currency_code":"USD","in_stock":true},{"title":"EU","offer_id":47406627979496,"sku":"SUC-T4-PRO-DE","price":64.99,"currency_code":"USD","in_stock":true},{"title":"AU","offer_id":47406628012264,"sku":"SUC-T4-PRO-AU","price":64.99,"currency_code":"USD","in_stock":true},{"title":"China","offer_id":47406628045032,"sku":"SUC-T4-PRO","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0640\/6995\/9912\/files\/1_2fcc5f35-9190-43f4-887b-75f755ef6fec.jpg?v=1792552042","url":"https:\/\/duukaudio.com\/fr\/products\/douk-audio-t4-pro-mini-5654-vacuum-tube-phono-preamp-home-stereo-audio-pre-amplifier-headphone-amp","provider":"Douk Audio","version":"1.0","type":"link"}