{"product_id":"sb-acoustics-eka-speaker-kit-plans-drivers","title":"SB Acoustics - Eka Speaker Kit (Plans + Drivers)","description":"\u003ch4\u003eDescription\u003c\/h4\u003e\n\u003cp\u003eSB Acoustics' Eka was its first kit: a two-way with a 6\" paper-cone mid-woofer and a soft dome tweeter. SB has since discontinued it, but the plans are still published and the drivers are still made.\u003c\/p\u003e\n\u003cp\u003eThe photos are SB Acoustics' own finished build. We sell the drivers; the cabinet is yours to build.\u003c\/p\u003e\n\u003cp\u003eThere's no ready-made crossover for this one. SB publishes the schematic, so you can build it yourself from our crossover parts. Wagner doesn't sell a cabinet for it either: SB's drawing has the dimensions to build your own.\u003c\/p\u003e\n\u003ch4\u003eEverything in the kit\u003c\/h4\u003e\n\u003cp\u003eEverything below is for a pair of speakers. Each part links to its own page, so you can also buy it a piece at a time.\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003cth\u003ePart\u003c\/th\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003ePrice\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nbaudio.com.au\/products\/sb-acoustics-1-stac-dome-tweeter-sb26stac-c000-4\"\u003eSB Acoustics - 1\" STAC Dome Tweeter - SB26STAC-C000-4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003etweeter\u003c\/td\u003e\n\u003ctd\u003e$69.95 each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/nbaudio.com.au\/products\/sb-acoustics-6-5-nrxc-mid-woofer-sb17nrxc35-4\"\u003eSB Acoustics - 6.5\" NRXC Mid-Woofer - SB17NRXC35-4\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e6\" mid-woofer\u003c\/td\u003e\n\u003ctd\u003e$104.95 each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency range\u003c\/th\u003e\n\u003ctd\u003e49-25000 Hz Sensitivity ( 2.83V\/1m ) 66.5 dB Nominal impedance 4Ω Max SPL 105 dB Recommended amplifier 40 – 150 W Cross-over frequency 3100 Hz Enclosure type Bass reflex Port tuning frequency 37 Hz Drive Units Soft Dome SB26STAC-C000-4 \u0026amp; 6″ SB17NRXC35-4 Cabinet Material 18mm MDF Speaker Dimension (HxWxD) 340 x 330 x 200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency range\u003c\/th\u003e\n\u003ctd\u003e49-25000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensitivity ( 2.83V\/1m )\u003c\/th\u003e\n\u003ctd\u003e66.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal impedance\u003c\/th\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax SPL\u003c\/th\u003e\n\u003ctd\u003e105 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended amplifier\u003c\/th\u003e\n\u003ctd\u003e40 – 150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnclosure type\u003c\/th\u003e\n\u003ctd\u003eBass reflex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePort tuning frequency\u003c\/th\u003e\n\u003ctd\u003e37 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003eCabinet Only 6.91 Kg ( 15.23 lb )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003eCabinet Only 6.91 Kg ( 15.23 lb )\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch4\u003eDownloads\u003c\/h4\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/sbacoustics.com\/wp-content\/uploads\/2017\/10\/SBA-Eka-schematic.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCross-over Schematic (SB Acoustics)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/sbacoustics.com\/wp-content\/uploads\/2017\/10\/SBA-Eka-Wood-cutting-drawing.pdf\" target=\"_blank\" rel=\"noopener\"\u003eEka Cabinet Drawing (SB Acoustics)\u003c\/a\u003e\u003c\/p\u003e","brand":"SB Acoustics","offers":[{"title":"Default Title","offer_id":67624156659985,"sku":null,"price":349.8,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0795\/7115\/7265\/files\/NBA_KIT-EKA_01.png?v=1791026122","url":"https:\/\/nbaudio.com.au\/products\/sb-acoustics-eka-speaker-kit-plans-drivers","provider":"NB Audio","version":"1.0","type":"link"}