{"product_id":"smsl-g1","title":"SMSL G1 External Master Clock – OCXO Precision Timing for HiFi Audio","description":"\u003cstyle\u003e\n  body{font-family:Arial,Helvetica,sans-serif;background:#f9fafc;color:#222;margin:20px;}\n  .container{max-width:960px;margin:0 auto;background:#fff;border-radius:14px;box-shadow:0 6px 20px rgba(0,0,0,.08);padding:28px;}\n  h2{font-size:22px;margin:22px 0 10px;color:#0b5cab;}\n  p{line-height:1.75;margin:8px 0;}\n  ul{margin:8px 0 16px 20px;}\n  li{margin:6px 0;}\n  .badges span{display:inline-block;background:#eef5ff;border:1px solid #d7e6ff;color:#0b5cab;padding:6px 10px;border-radius:999px;margin:5px 6px 0 0;font-size:12px;}\n  .specs{width:100%;border-collapse:collapse;margin-top:16px;}\n  .specs th,.specs td{border:1px solid #e9eef5;padding:10px 12px;text-align:left;vertical-align:top;}\n  .specs th{background:#f6f9ff;width:260px;}\n  .note{font-size:13px;color:#666;margin-top:8px;}\n\u003c\/style\u003e\n\u003cdiv class=\"container\"\u003e\n\u003ch2\u003eSMSL G1 External Master Clock – OCXO Precision Timing for HiFi Audio\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSMSL G1\u003c\/strong\u003e is SMSL’s first external master clock, designed to bring \u003cem\u003e“time back to music.”\u003c\/em\u003e With its \u003cstrong\u003eSC-Cut OCXO crystal oscillator\u003c\/strong\u003e, \u003cstrong\u003equad-channel buffered outputs\u003c\/strong\u003e, and precision power supply, the G1 delivers professional studio-level time synchronization for DACs, CD transports, and amplifiers. Built with meticulous design, the G1 ensures ultra-low jitter, nanosecond synchronization, and a stable, pure signal chain that unlocks the full acoustic potential of your HiFi system.\u003c\/p\u003e\n\u003cdiv class=\"badges\"\u003e\n\u003cspan\u003e10 MHz Master Clock\u003c\/span\u003e \u003cspan\u003eSC-Cut OCXO\u003c\/span\u003e \u003cspan\u003e±3 ppb Accuracy\u003c\/span\u003e \u003cspan\u003ePhase Noise -105 dBc\/Hz\u003c\/span\u003e \u003cspan\u003eQuad-Channel Buffered Outputs\u003c\/span\u003e \u003cspan\u003eConstant-Temperature Chamber\u003c\/span\u003e \u003cspan\u003eLinear Power Supply\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSC-Cut OCXO Crystal Oscillator:\u003c\/strong\u003e Phase noise is -105 dBc\/Hz at 1 Hz, with accuracy better than ±3 ppb—equivalent to only one second deviation every 10 years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstant-Temperature Protective Chamber:\u003c\/strong\u003e Specially designed to shield the oscillator from external heat and stabilize internal micro-temperature differences, ensuring absolute timing consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad-Channel Drive:\u003c\/strong\u003e Four independent buffered 10 MHz outputs via BNC connectors, ensuring stable impedance, strong drive capability, and lossless synchronization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Power Supply:\u003c\/strong\u003e Imported toroidal transformer + automatic voltage switching circuit, with triple suppression and multi-stage regulation. Provides ultra-low 6 μV noise environment for OCXO and LDO circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact, Minimalist Design:\u003c\/strong\u003e CNC-machined aluminum alloy chassis, heat-dissipating structure, and minimalist footprint for effortless integration into your system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect System Integration:\u003c\/strong\u003e Seamlessly pairs with SMSL’s flagship stack (T2 CD Transport, D2R DAC, P2 Amp) or the 200 Family Concerto system (PL200T + D200 + PA200).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"specs\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eClock Outputs\u003c\/th\u003e\n\u003ctd\u003e4 × BNC connectors, 10 MHz, square wave 3.3 Vp-p\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput Impedance\u003c\/th\u003e\n\u003ctd\u003e50\/75 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Supply\u003c\/th\u003e\n\u003ctd\u003eAC 100–240 V 50\/60 Hz \/ DC 9–15 V (1 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Consumption\u003c\/th\u003e\n\u003ctd\u003e12 W (during heating), 3 W (normal use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClock Stabilization Time\u003c\/th\u003e\n\u003ctd\u003eApprox. 2 minutes (recommended 10 min warm-up for full stability)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency Accuracy\u003c\/th\u003e\n\u003ctd\u003e±3 ppb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency-Temperature Characteristic\u003c\/th\u003e\n\u003ctd\u003eWithin ±3 ppb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Temperature\u003c\/th\u003e\n\u003ctd\u003e+5 °C to +35 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOperating Humidity\u003c\/th\u003e\n\u003ctd\u003e5%–85% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStorage Temperature\u003c\/th\u003e\n\u003ctd\u003e-20 °C to +55 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e200 × 47.9 × 186 mm (W × H × D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.618 kg \/ 3.57 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eIdeal Pairings\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMSL Flagship Stack:\u003c\/strong\u003e Pair with T2 CD Transport, D2R DAC, and P2 Amp for studio-grade precision.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSMSL 200 Family:\u003c\/strong\u003e Combine with PL200T transport, D200 DAC, and PA200 amp for pure, synchronized HiFi playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThird-Party Gear:\u003c\/strong\u003e Compatible with any DAC, player, or amp featuring a 10 MHz master clock input.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"note\"\u003e\u003cstrong\u003eMeta Description:\u003c\/strong\u003e SMSL G1 Master Clock – SC-Cut OCXO with ±3 ppb accuracy, quad 10 MHz buffered BNC outputs, constant-temperature chamber, and precision linear power supply. Elevates DACs, transports, and amps with ultra-stable timing, low jitter, and true audiophile sound purity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__01.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__02.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__03.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__04.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__05.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__06.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__07.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__08.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__09.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__10.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__11.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__12.jpg?v=1757405051\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/G1__13.jpg?v=1757405051\"\u003e\u003c\/p\u003e","brand":"S.M.S.L","offers":[{"title":"G1","offer_id":46829198901487,"sku":"1005008227731598-Brahms","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0626\/2004\/1455\/files\/smsl-g1-external-master-clock-ocxo-precision-timing-for-hifi-audio-3686330.jpg?v=1757450684","url":"https:\/\/thehificat.com\/en-us\/products\/smsl-g1","provider":"The HiFi Cat","version":"1.0","type":"link"}