{"product_id":"quad-3-integrated-amplifier","title":"Quad QUAD 3 Integrated Amplifier","description":"\u003ch1\u003eQuad 3 Integrated Amplifier\u003c\/h1\u003e\n\u003ch3\u003eA compact class-AB integrated amplifier with 65 Wpc output, ESS 32-bit DAC, MM phonostage, HDMI ARC, Bluetooth 5.1, USB audio, headphone amp, and Quad’s signature Tilt control\u003c\/h3\u003e\n\u003cp\u003eThe Quad 3 is a compact integrated amplifier that combines classic Quad design cues with a broad range of modern analog, digital, wireless, and TV-friendly connectivity. Built as a complete hub for contemporary hi-fi systems, it offers class-AB amplification, a high-resolution ESS DAC, MM phono input, Bluetooth streaming, HDMI ARC, USB audio, and a dedicated headphone amplifier in a chassis designed to visually match the Quad 3CDT CD transport.\u003c\/p\u003e\n\u003cp\u003eInspired by the Quad 22 preamplifier and designed to sit alongside the latest Quad 33 and 303 components, the Quad 3 keeps the company’s distinctive visual identity while addressing today’s listening habits. Its compact form factor, orange-lit LCD strip, tactile controls, and full-function remote make it easy to use across vinyl, digital, TV, computer-audio, and headphone systems.\u003c\/p\u003e\n\u003ch4\u003eClassic Elegance, Modern Tastes\u003c\/h4\u003e\n\u003cp\u003eThe Quad 3 takes design inspiration from the iconic Quad 22, with a subtle nod to the industrial design language of the new Quad 33. The orange-lit LCD strip provides visual feedback for source selection, settings, parameters, and options, while the backlight brightness can be adjusted or switched off to suit the room.\u003c\/p\u003e\n\u003cp\u003eA row of tactile digital encoders gives direct control over volume, source selection, balance, bass, and Quad’s renowned Tilt control. The result is a compact amplifier that feels deliberately hands-on without sacrificing convenience or system flexibility.\u003c\/p\u003e\n\u003ch4\u003eModern Connectivity\u003c\/h4\u003e\n\u003cp\u003eThe Quad 3 is designed as a versatile system hub. Digital inputs include USB-B for computer audio, coaxial and optical S\/PDIF, HDMI ARC for TV sound, and Bluetooth 5.1 with aptX and aptX HD support. Analog users are served by two line-level RCA inputs and a dedicated low-noise MM phono stage.\u003c\/p\u003e\n\u003cp\u003eUSB audio supports PCM playback up to 768 kHz and DSD512, while coaxial and optical inputs support hi-res audio up to 192 kHz. HDMI ARC allows TV audio to be routed through the hi-fi system with the convenience of TV remote control for volume and power.\u003c\/p\u003e\n\u003ch4\u003eAdvanced Digital Architecture\u003c\/h4\u003e\n\u003cp\u003eAt the heart of the Quad 3’s digital section is an ESS9038Q2M 32-bit DAC chipset, paired with a class-A post-DAC filter circuit. For users streaming from a computer or playing local high-resolution files, the USB-B input turns a PC or Mac into a high-quality digital source.\u003c\/p\u003e\n\u003cp\u003eUpsampling can be applied to audio from both S\/PDIF and USB sources, raising the digital audio signal to either 352.8 kHz or 384 kHz.\u003c\/p\u003e\n\u003ch4\u003eClass-AB Power and Control\u003c\/h4\u003e\n\u003cp\u003eThe Quad 3 uses a class-AB power amplifier section with a custom-engineered power supply. A 235 VA toroidal transformer and 30,000 µF reservoir support dynamic headroom and low distortion, with rated output of 65 Wpc into 8 ohms and 100 Wpc into 4 ohms.\u003c\/p\u003e\n\u003cp\u003eQuad’s bass and Tilt controls allow tonal adjustment without crude or heavy-handed equalization. The bass control offers ±3 dB adjustment of the low frequencies, while Tilt adjusts both ends of the frequency spectrum together around a 700 Hz axis, making the overall balance warmer or cooler in 1 dB steps.\u003c\/p\u003e\n\u003ch4\u003ePhono and Headphone Listening\u003c\/h4\u003e\n\u003cp\u003eVinyl listeners get a dedicated high-performance low-noise MM phono stage with precise RIAA equalization. For headphone users, the Quad 3 includes a separate current-feedback headphone amplifier circuit designed to mirror the precision of the main amplifier.\u003c\/p\u003e\n\u003ch4\u003eAbout Quad\u003c\/h4\u003e\n\u003cp\u003eFounded in London in 1936 by Peter Walker, Quad has built its reputation on disciplined engineering, practical design, and the enduring goal Walker described as “the closest approach to the original sound.” Originally focused on amplifiers and public-address equipment, the company moved to Huntingdon, Cambridgeshire, in 1941, where Quad’s British engineering, service, and development remain centered today.\u003c\/p\u003e\n\u003cp\u003eQuad’s history includes some of the most important products in British hi-fi, from the Quad II amplifier and the 33\/303 preamp and power amplifier combination to the 405 current-dumping amplifier. In 1957, Quad introduced the world’s first production full-range electrostatic loudspeaker, establishing a loudspeaker lineage that continues through generations of ESL designs.\u003c\/p\u003e\n\u003cp\u003eToday, Quad continues to balance heritage and renewal, developing electronics and loudspeakers that respect the company’s classic design values while addressing modern listening habits. Across its amplifiers, digital components, and loudspeakers, Quad remains defined by clarity, restraint, and engineering purpose.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact integrated amplifier with class-AB power amplifier section\u003c\/li\u003e\n\u003cli\u003e65 Wpc into 8 ohms and 100 Wpc into 4 ohms\u003c\/li\u003e\n\u003cli\u003eESS9038Q2M 32-bit DAC\u003c\/li\u003e\n\u003cli\u003eClass-A post-DAC filter circuit\u003c\/li\u003e\n\u003cli\u003eUSB-B input supports PCM up to 768 kHz and DSD512\u003c\/li\u003e\n\u003cli\u003eCoaxial and optical S\/PDIF inputs support up to 192 kHz\u003c\/li\u003e\n\u003cli\u003eHDMI ARC input for TV audio\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.1 with aptX and aptX HD support\u003c\/li\u003e\n\u003cli\u003eDedicated high-performance low-noise MM phono stage\u003c\/li\u003e\n\u003cli\u003eTwo line-level RCA inputs\u003c\/li\u003e\n\u003cli\u003eDedicated current-feedback headphone amplifier\u003c\/li\u003e\n\u003cli\u003eBuilt-in bass adjustment with ±3 dB range\u003c\/li\u003e\n\u003cli\u003eQuad Tilt control adjusts tonal balance around a 700 Hz axis\u003c\/li\u003e\n\u003cli\u003eUpsampling for S\/PDIF and USB audio sources to 352.8 kHz or 384 kHz\u003c\/li\u003e\n\u003cli\u003eOrange-lit LCD strip with adjustable brightness\u003c\/li\u003e\n\u003cli\u003eTactile digital encoders for direct control\u003c\/li\u003e\n\u003cli\u003ePreamp output, speaker output, headphone output, and 12 V trigger connections\u003c\/li\u003e\n\u003cli\u003eUSB firmware upgrade capability\u003c\/li\u003e\n\u003cli\u003eFull-function remote control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIncluded Accessories\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower cord\u003c\/li\u003e\n\u003cli\u003eRemote control\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003cli\u003e2 AAA batteries\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003ePower Output (8 ohms, 4 ohms):\u003c\/b\u003e 65 Wpc,100 Wpc\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Amplifier Section:\u003c\/b\u003e Class-AB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDAC:\u003c\/b\u003e ES9038Q2M 32-bit\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eBluetooth:\u003c\/b\u003e 5.1 with aptX and aptX HD\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePhono Stage:\u003c\/b\u003e MM\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eInputs:\u003c\/b\u003e 2 analog RCA, 1 phono MM, 1 coaxial S\/PDIF, 1 optical S\/PDIF, 1 PC USB, 1 HDMI ARC, 1 Bluetooth, 1 12 V trigger\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOutputs:\u003c\/b\u003e 1 preamplifier, 1 stereo speaker, 1 headphone, 1 12 V trigger\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSampling Frequency (Optical\/Coaxial):\u003c\/b\u003e 44.1 kHz–192 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSampling Frequency (PC USB):\u003c\/b\u003e 44.1 kHz–768 kHz PCM, DSD64, DSD128, DSD256, DSD512\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePreamplifier Gain (Line, Phono MM):\u003c\/b\u003e 0 dB, 47 dB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePreamplifier Input Impedance (Line, Phono MM):\u003c\/b\u003e 10 kohms, 47 kohms\/100 pF\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePreamplifier Output Voltage:\u003c\/b\u003e 2.3 V maximum\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePreamplifier Output Impedance:\u003c\/b\u003e 120 ohms\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eD-To-A Converter:\u003c\/b\u003e ES9038Q2M\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDAC Output Level:\u003c\/b\u003e 2.05 Vrms, 0 dBFS, 1 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDAC Maximum Sampling Frequency:\u003c\/b\u003e 192 kHz optical\/coaxial; PCM 768 kHz and DSD512 PC USB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Amplifier Gain:\u003c\/b\u003e 29 dB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower Amplifier Input Sensitivity:\u003c\/b\u003e 800 mVrms\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMaximum Output Current:\u003c\/b\u003e 10 A\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHeadphone Output Impedance:\u003c\/b\u003e 2.35 ohms\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHeadphone Load Impedance:\u003c\/b\u003e 20–600 ohms\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eStandby Power Consumption:\u003c\/b\u003e \u0026lt;0.5 W\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDimensions (HLW):\u003c\/b\u003e 3.98\" × 13.07\" × 11.81\" (101 × 332 × 300 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWeight:\u003c\/b\u003e 17.64 lb. (8 kg)\u003c\/p\u003e","brand":"Quad","offers":[{"title":"Default Title","offer_id":53595047231672,"sku":"Q-3INT","price":1895.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/QUAD3_Standard_R1-1.jpg?v=1781905791","url":"https:\/\/upscaleaudio.com\/products\/quad-3-integrated-amplifier","provider":"Upscale Audio","version":"1.0","type":"link"}