{"product_id":"kef-reference-1-meta-bookshelf-speakers","title":"KEF - Reference 1 Meta - Bookshelf Speakers","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eReference 1 Meta is the standmount model in KEF's Reference series, a three-way bass reflex loudspeaker with a 12th generation Uni-Q driver array with Metamaterial Absorption Technology (MAT) above a 165 mm bass driver.\u003c\/p\u003e\n\u003cp\u003eHand-built by KEF in Maidstone, Kent, UK. KEF states that every pair is matched to within 0.5 dB of its laboratory-maintained reference standard.\u003c\/p\u003e\n\u003ch2\u003eDrivers and Technology\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e12th generation Uni-Q driver array with a 25 mm aluminium dome tweeter and 125 mm aluminium cone midrange, with KEF's tangerine waveguide\u003c\/li\u003e\n\u003cli\u003eMetamaterial Absorption Technology (MAT) behind the tweeter, which KEF states absorbs 99% of the unwanted sound from the rear of the tweeter\u003c\/li\u003e\n\u003cli\u003eMidrange motor with a copper ring in the motor gap to reduce inductance, and a flexible decoupling chassis that isolates the Uni-Q array from the cabinet\u003c\/li\u003e\n\u003cli\u003e165 mm (6.5 in.) aluminium cone bass drivers with a vented magnet assembly and large aluminium voice coil\u003c\/li\u003e\n\u003cli\u003eFlexible Port Technology with two port tube options (short and long) so bass output can be adjusted to suit the room\u003c\/li\u003e\n\u003cli\u003eShadow Flare front baffle surface designed to reduce cabinet diffraction around the Uni-Q array\u003c\/li\u003e\n\u003cli\u003eCabinet shape and bracing designed with finite element analysis, with Constrained Layer Damping\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePlacement and Accessories\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMounting inserts to secure the speaker to KEF's S-RF1 Floor Stand (sold separately)\u003c\/li\u003e\n\u003cli\u003eKEF's S-RF1 Floor Stand places the Uni-Q array at the same height as on the Reference floorstanding models\u003c\/li\u003e\n\u003cli\u003eReference Meta cloth grille set available separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-way bass reflex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive units\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUni-Q driver array: HF 25 mm (1 in.) aluminium dome with MAT, MF 125 mm (5 in.) aluminium cone. LF 165 mm (6.5 in.) aluminium cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency response (±3dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 Hz to 35 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency range free field (-6dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eShort port: 40 Hz to 45 kHz. Long port: 37 Hz to 45 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical in-room bass response (-6dB)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCrossover frequencies\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e450 Hz, 2.1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier requirements\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 to 200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensitivity (2.83V\/1m)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e85 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHarmonic distortion, 2nd and 3rd harmonics (90dB, 1m)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5% 40 Hz to 100 kHz, \u0026lt;0.2% 200 Hz to 2 kHz, \u0026lt;0.1% 2 kHz to 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e111 dB (peak SPL at 1 m with pink noise)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Ω (min. 3.2 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions with grille and terminal (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e440 x 205 x 422 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18.2 kg per speaker\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinishes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSatin Walnut\/Silver, High-Gloss White\/Blue, High-Gloss White\/Champagne, High-Gloss Black\/Grey, High-Gloss Black\/Copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHand-built by KEF in Maidstone, Kent, UK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold as a pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"KEF","offers":[{"title":"Satin Walnut\/Silver","offer_id":50715315667201,"sku":"SP4048","price":15000.0,"currency_code":"AUD","in_stock":true},{"title":"High-Gloss White\/Blue","offer_id":50715315699969,"sku":"SP4048","price":15000.0,"currency_code":"AUD","in_stock":true},{"title":"High-Gloss White\/Champagne","offer_id":50715315732737,"sku":"SP4048","price":15000.0,"currency_code":"AUD","in_stock":true},{"title":"High-Gloss Black\/Grey","offer_id":50715315765505,"sku":"SP4048","price":15000.0,"currency_code":"AUD","in_stock":true},{"title":"High-Gloss Black\/Copper","offer_id":50715315798273,"sku":"SP4048","price":15000.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1133\/9398\/files\/KEF-Reference-1-Meta-Bookshelf-Speakers-australia.jpg?v=1791951646","url":"https:\/\/sydneyhifimonavale.com.au\/products\/kef-reference-1-meta-bookshelf-speakers","provider":"Sydney Hi-Fi Mona Vale","version":"1.0","type":"link"}