{"product_id":"peachtree-audio-grand-integrated-amplifier-dac-open","title":"Peachtree Audio Grand Integrated X-1 Amplifier \/ DAC (OPEN)","description":"\u003ch1\u003ePeachtree Audio Grand Integrated X-1 Integrated Amplifier and DAC\u003c\/h1\u003e\n\u003ch3\u003e440 Wpc class-D amplification, an ESS Sabre32 DAC, and a Bascom King 12AU7 tube stage. This new old-stock product comes with a 90-day warranty.\u003c\/h3\u003e\n\u003cp\u003eThe Peachtree Audio Grand Integrated X-1 combines a high-power integrated amplifier, high-resolution DAC, hybrid tube preamplifier, and class-A headphone amplifier in one chassis. Designed as Peachtree’s no-compromise integrated of its generation, it delivers 440 Wpc into 8 ohms while providing digital and analog connectivity for a complete two-channel system.\u003c\/p\u003e\n\u003cp\u003eThe balanced class-D power amplifier was designed to work directly with the Grand Integrated X-1’s preamplifier section. Its 440 Wpc output provides substantial power for demanding loudspeakers, while the amplifier’s approximately 90% efficiency keeps heat output comparatively low.\u003c\/p\u003e\n\u003ch4\u003eESS Sabre32 Digital Conversion\u003c\/h4\u003e\n\u003cp\u003eThe digital section is built around the ESS Sabre32 9018 DAC and supports resolutions up to 24-bit\/192 kHz. Its asynchronous USB input uses an XMOS receiver, allowing the Grand Integrated X-1’s internal clock to control data flow from the computer rather than relying on the computer’s audio clock.\u003c\/p\u003e\n\u003cp\u003eTwo coaxial, two optical, BNC, and USB digital inputs accommodate a wide range of sources. Galvanic isolation is used on grounded digital inputs to help prevent electrical noise from connected components from reaching the DAC circuitry, while selectable Sharp and Slow digital filter slopes provide two choices of digital filtering.\u003c\/p\u003e\n\u003ch4\u003eBascom King Tube Stage\u003c\/h4\u003e\n\u003cp\u003eThe hybrid preamplifier incorporates a Bascom King-designed tube buffer using two 12AU7 tubes. The tube stage can be engaged or bypassed from the remote control, allowing the listener to switch between hybrid tube and solid-state operation.\u003c\/p\u003e\n\u003cp\u003eTwo analog line-level inputs are provided, with Aux 1 switchable to home-theater bypass. In bypass mode, a surround processor controls the front-channel volume while the Grand Integrated X-1 functions as the power amplifier for the main left and right speakers.\u003c\/p\u003e\n\u003ch4\u003eFlexible Preamplifier Outputs\u003c\/h4\u003e\n\u003cp\u003eThe Grand Integrated X-1 provides both fixed and variable analog outputs. Its variable preamp output can feed an external power amplifier or powered subwoofer, while a separate high-pass preamp output can operate full-range or engage an 80 Hz, 12 dB\/octave high-pass filter. The fixed line output allows the unit to function as a DAC and source selector feeding another preamplifier.\u003c\/p\u003e\n\u003ch4\u003eClass-A Headphone Amplifier\u003c\/h4\u003e\n\u003cp\u003eThe dedicated class-A headphone amplifier routes its signal through the 12AU7 tube stage, bringing the Grand Integrated X-1’s hybrid architecture to headphone listening as well as loudspeaker playback.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis new old-stock product comes with a 90-day warranty.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e440 Wpc balanced class-D power amplifier\u003c\/li\u003e\n\u003cli\u003eESS Sabre32 9018 DAC\u003c\/li\u003e\n\u003cli\u003eDigital playback up to 24-bit\/192 kHz\u003c\/li\u003e\n\u003cli\u003eAsynchronous USB input with XMOS receiver\u003c\/li\u003e\n\u003cli\u003eTwo coaxial digital inputs\u003c\/li\u003e\n\u003cli\u003eTwo optical digital inputs\u003c\/li\u003e\n\u003cli\u003e75-ohm BNC digital input\u003c\/li\u003e\n\u003cli\u003eGalvanically isolated grounded digital inputs\u003c\/li\u003e\n\u003cli\u003eSelectable Sharp and Slow digital filter slopes\u003c\/li\u003e\n\u003cli\u003eBascom King tube buffer with two 12AU7 tubes\u003c\/li\u003e\n\u003cli\u003eRemote-controlled tube bypass\u003c\/li\u003e\n\u003cli\u003eTwo analog line-level inputs\u003c\/li\u003e\n\u003cli\u003eSelectable home-theater bypass\u003c\/li\u003e\n\u003cli\u003eClass-A headphone amplifier\u003c\/li\u003e\n\u003cli\u003eFixed line-level output\u003c\/li\u003e\n\u003cli\u003eVariable preamp output for an external amplifier or powered subwoofer\u003c\/li\u003e\n\u003cli\u003eSwitchable 80 Hz high-pass preamp output\u003c\/li\u003e\n\u003cli\u003e12 V trigger output\u003c\/li\u003e\n\u003cli\u003ePhase inversion from the remote control\u003c\/li\u003e\n\u003cli\u003eDetachable power cord\u003c\/li\u003e\n\u003cli\u003eSwitchable voltage for international use\u003c\/li\u003e\n\u003cli\u003eDesigned and final assembled in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eOutput Power (Into 8 Ohms, 20 Hz–20 kHz):\u003c\/b\u003e 440 Wpc\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAmplifier Class:\u003c\/b\u003e class-D\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital-to-Analog Converter:\u003c\/b\u003e ESS Sabre32 9018\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMaximum Digital Resolution:\u003c\/b\u003e 24-bit\/192 kHz\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eUSB Input:\u003c\/b\u003e Asynchronous with XMOS receiver\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital Inputs:\u003c\/b\u003e 1 USB, 2 coaxial, 2 optical, 1 BNC\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eAnalog Inputs:\u003c\/b\u003e 2 stereo line-level inputs; Aux 1 switchable to home-theater bypass\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTube Stage:\u003c\/b\u003e Bascom King tube buffer with 2 12AU7 tubes\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDigital Filters:\u003c\/b\u003e Sharp, Slow\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFixed Line-Level Output:\u003c\/b\u003e 2 Vrms, 448 Ω\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVariable Preamp Output:\u003c\/b\u003e 8 Vrms \/ 11.2 V peak, 448 Ω\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eVariable Analog Output Signal-to-Noise Ratio:\u003c\/b\u003e 104 dB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eJitter (At Master Clock):\u003c\/b\u003e \u0026lt;3 ps\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eChannel Tracking:\u003c\/b\u003e 0.025 dB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eStereo Separation:\u003c\/b\u003e 96 dB\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHigh-Pass Output:\u003c\/b\u003e Switchable 80 Hz, 12 dB\/octave\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003ePower-Supply Filtering:\u003c\/b\u003e 69,000 µF\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eDimensions (H × W × D):\u003c\/b\u003e 4.8\" × 17.5\" × 16.5\" (122 × 445 × 419 mm)\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eWeight:\u003c\/b\u003e 28 lb. (12.7 kg)\u003c\/p\u003e\n","brand":"Peachtree Audio","offers":[{"title":"Default Title","offer_id":53977274974392,"sku":"GRANDINT-707","price":1199.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1564\/1247\/files\/IMG_1530.jpg?v=1789582363","url":"https:\/\/upscaleaudio.com\/products\/peachtree-audio-grand-integrated-amplifier-dac-open","provider":"Upscale Audio","version":"1.0","type":"link"}