{"id":16350,"date":"2017-02-06T12:21:46","date_gmt":"2017-02-06T11:21:46","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=16350"},"modified":"2017-02-06T12:21:46","modified_gmt":"2017-02-06T11:21:46","slug":"build-your-own-spiral-speaker-with-justboom-and-a-raspberry-pi","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=16350","title":{"rendered":"Build your own spiral speaker with JustBoom and a Raspberry Pi"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-16351\" src=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?resize=560%2C479&#038;ssl=1\" alt=\"\" width=\"560\" height=\"479\" srcset=\"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?w=687&amp;ssl=1 687w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?resize=300%2C257&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?resize=560%2C479&amp;ssl=1 560w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?resize=260%2C223&amp;ssl=1 260w, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg?resize=160%2C137&amp;ssl=1 160w\" sizes=\"auto, (max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>Recently, <a href=\"https:\/\/www.recantha.co.uk\/blog\/?p=16145\" target=\"_blank\">I reviewed the JustBoom AmpHAT<\/a>\u00a0and found it to be an excellent piece of kit for those that like their audio &#8216;just right&#8217;. Well, now it&#8217;s little brother, the\u00a0<a href=\"https:\/\/www.pi-supply.com\/product\/justboom-amp-zero-phat\/\" target=\"_blank\">Amp Zero pHAT<\/a>\u00a0has been used in a project that looks really lovely.\u00a0<a class=\"author url fn\" title=\"Posts by Frederick Vandenbosch\" href=\"https:\/\/twitter.com\/f_vdbosch\" target=\"_blank\" rel=\"author\">Frederick Vandenbosch<\/a>\u00a0has taken the pHAT, a Raspberry Pi Zero, a speaker, and a Pimoroni Scroll pHAT and created a beautiful &#8216;spiral speaker&#8217; with built-in spectrum display. He&#8217;s written the whole thing up as <a href=\"https:\/\/www.pi-supply.com\/make\/spiral-speaker-build\/\" target=\"_blank\">a tutorial and it&#8217;s been posted on the Pi Supply blog here<\/a>. You can <a href=\"https:\/\/www.youtube.com\/watch?v=Kqj3WW_95To\" target=\"_blank\">view a speeded-up video<\/a>\u00a0of the build below. You can <a href=\"https:\/\/www.pi-supply.com\/product\/justboom-amp-zero-phat\/\" target=\"_blank\">get hold of the Amp Zero pHAT here<\/a>.<\/p>\n<p><iframe loading=\"lazy\" title=\"Spiral Speaker Build - Raspberry Pi Zero, Amp Zero, Scroll pHAT\" width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Kqj3WW_95To?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recently, I reviewed the JustBoom AmpHAT\u00a0and found it to be an excellent piece of kit for those that like their audio &#8216;just right&#8217;. Well, now it&#8217;s little brother, the\u00a0Amp Zero pHAT\u00a0has been used in a project that looks really lovely.\u00a0Frederick&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[56,4,80,22,20,50,31,51],"tags":[],"class_list":["post-16350","post","type-post","status-publish","format-standard","hentry","category-art","category-audio","category-blinkies","category-geeky-techiness","category-gpio-boards","category-making","category-music","category-tutorials"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Build your own spiral speaker with JustBoom and a Raspberry Pi - Raspberry Pi Pod<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Build your own spiral speaker with JustBoom and a Raspberry Pi - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Recently, I reviewed the JustBoom AmpHAT\u00a0and found it to be an excellent piece of kit for those that like their audio &#8216;just right&#8217;. Well, now it&#8217;s little brother, the\u00a0Amp Zero pHAT\u00a0has been used in a project that looks really lovely.\u00a0Frederick&hellip;Read more &rarr;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-02-06T11:21:46+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=16350#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#\/schema\/person\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Build your own spiral speaker with JustBoom and a Raspberry Pi\",\"datePublished\":\"2017-02-06T11:21:46+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\"},\"wordCount\":132,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=16350#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2017\/02\/vandenbosch_speaker.jpg\",\"articleSection\":[\"Art\",\"Audio\",\"Blinkies\",\"Geeky Techiness\",\"GPIO boards\",\"Making\",\"Music\",\"Tutorials\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.recantha.co.uk\/blog\/?p=16350#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\",\"url\":\"https:\/\/www.recantha.co.uk\/blog\/?p=16350\",\"name\":\"Build your own spiral speaker with JustBoom and a Raspberry Pi - 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Called\u00a0JustBoom, the range includes the following: DAC HAT - a\u00a0plug and play, high resolution, digital-to-analog converter (\u00a330). Digi HAT - producing an unmodified, high quality, digital audio data stream for \"bit-perfect transmission to your hifi\u2026","rel":"","context":"In &quot;Accessories&quot;","block_context":{"text":"Accessories","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=54"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.pi-supply.com\/wp-content\/uploads\/2016\/07\/DAC-HAT.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.pi-supply.com\/wp-content\/uploads\/2016\/07\/DAC-HAT.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.pi-supply.com\/wp-content\/uploads\/2016\/07\/DAC-HAT.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.pi-supply.com\/wp-content\/uploads\/2016\/07\/DAC-HAT.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":16272,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16272","url_meta":{"origin":16350,"position":1},"title":"New product from Pimoroni for the Raspberry Pi &#8211; the Speaker pHAT","author":"Michael Horne","date":"19 January 2017","format":false,"excerpt":"Pimoroni have just announced, via their Bilge Tank videocast, the launch of the Speaker pHAT board. The Zero-form-factor board comes as a kit that requires soldering and has the following features: I2S audio DAC with 3W mono amplifier (MAX98357A) Default output of 0.45W\/26.5dB 8\u03a9 2W Mylar\u00a0speaker Routed holes to channel\u2026","rel":"","context":"In &quot;Audio&quot;","block_context":{"text":"Audio","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Speaker_pHAT_4_of_6_1024x1024.JPG?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Speaker_pHAT_4_of_6_1024x1024.JPG?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Speaker_pHAT_4_of_6_1024x1024.JPG?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/cdn.shopify.com\/s\/files\/1\/0174\/1800\/products\/Speaker_pHAT_4_of_6_1024x1024.JPG?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":18436,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=18436","url_meta":{"origin":16350,"position":2},"title":"Roundup of CPC catalogue Spring Deals for Raspberry Pi users","author":"Michael Horne","date":"6 March 2018","format":false,"excerpt":"I've just received the CPC Spring Deals catalogue through the post and thought I would share the deals that are of relevance to Raspberry Pi users and makers. These prices are all without VAT, so you'll need to add the 20% on. You'll also need to make sure you use\u2026","rel":"","context":"In &quot;Shopping&quot;","block_context":{"text":"Shopping","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=47"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/cpc.jpg?fit=1200%2C621&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/cpc.jpg?fit=1200%2C621&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/cpc.jpg?fit=1200%2C621&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/cpc.jpg?fit=1200%2C621&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.recantha.co.uk\/blog\/wp-content\/uploads\/2018\/03\/cpc.jpg?fit=1200%2C621&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":16145,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16145","url_meta":{"origin":16350,"position":3},"title":"JustBoom AmpHAT audio board for the Raspberry Pi &#8211; a review","author":"Michael Horne","date":"30 December 2016","format":false,"excerpt":"Yesterday\u00a0afternoon, I had great fun setting up the JustBoom AmpHAT. JustBoom is a\u00a0new player in the Raspberry Pi audio market, but comes from well-known company Pi Supply.\u00a0I was sent the full family of JustBoom boards for review by Aaron, but I'm free to say what I want about them. Here\u2026","rel":"","context":"In &quot;Audio&quot;","block_context":{"text":"Audio","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.justboom.co\/wp-content\/uploads\/2016\/11\/Justboom_amp_hat-Front-500x500.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":16071,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=16071","url_meta":{"origin":16350,"position":4},"title":"Comparison of sound card DACs for the Raspberry Pi from RasPi.TV","author":"Michael Horne","date":"12 December 2016","format":false,"excerpt":"Alex Eames from RasPi.TV has tested out some sound cards from\u00a0IQaudIO,\u00a0JustBoom,\u00a0and\u00a0HiFiBerry. What's great about his review is that he's not only tested out what they\u00a0sound like but also what kind of user experiences you get when faced with the task of adding the boards onto your Pi. Read more and\u2026","rel":"","context":"In &quot;Audio&quot;","block_context":{"text":"Audio","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=4"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/12\/All-three-DACs_1500.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/12\/All-three-DACs_1500.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/12\/All-three-DACs_1500.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/12\/All-three-DACs_1500.jpg?resize=700%2C400 2x, https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/12\/All-three-DACs_1500.jpg?resize=1050%2C600 3x, https:\/\/i0.wp.com\/raspi.tv\/wp-content\/uploads\/2016\/12\/All-three-DACs_1500.jpg?resize=1400%2C800 4x"},"classes":[]},{"id":18133,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=18133","url_meta":{"origin":16350,"position":5},"title":"Create your own Star Trek combadge with a Raspberry Pi Zero","author":"Michael Horne","date":"25 January 2018","format":false,"excerpt":"Michael Darby wanted to make something like a Star Trek combadge\u00a0that would respond to voice commands. 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