{"id":1339,"date":"2016-07-22T07:51:41","date_gmt":"2016-07-22T14:51:41","guid":{"rendered":"http:\/\/pro.harman.com\/insights\/?p=1339"},"modified":"2016-07-21T13:58:47","modified_gmt":"2016-07-21T20:58:47","slug":"harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer","status":"publish","type":"post","link":"https:\/\/pro.harman.com\/insights\/harman-pro\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\/","title":{"rendered":"HARMAN Innovator Spotlight: Charles Sprinkle, Principal JBL Loudspeaker Systems Engineer"},"content":{"rendered":"

What first strikes you about Charles Sprinkle\u2014JBL innovator, engineer and multiple patent holder\u2014is the glint in his eyes and the palpable welling up of enthusiasm that accompanies his talking about the reference monitors, consumer loudspeakers and other audio solutions he\u2019s found a deep passion for in a second career.<\/p>\n

\"\"Charles joined HARMAN nearly 16 years ago, after a classic light bulb moment heralded a dramatic career switch. Previously, he had worked in retail management in Bakersfield, California, biding his time and unsure of his professional calling. \u201dI was always into science, but had no idea what I wanted to do with it,\u201d says Charles. \u201cMy hobbies were literally playing with Tesla coils and other kinds of crazy hi-voltage types of stuff, but beyond that, I had no direction.\u201d<\/p>\n

Meeting an audiophile with the tools to build loudspeakers, and a willingness to show Charles the craft, changed everything. \u201cThat first experience of designing something, building it and having a finished product that I could use in my living room\u2014that sense of accomplishment\u2014really primed my going back to school and getting a degree,\u201d he\u00a0says. \u201cIt finally clicked. I knew exactly what I wanted to do. I wanted to design loudspeakers.\u201d<\/p>\n

Moving to Southern California, Charles enrolled at Cal State Northridge and, while pursuing his Bachelor\u2019s degree in Mechanical Engineering, met HARMAN Acoustic Research Fellow, Dr. Sean Olive<\/a> at an Audio Engineering Society (AES) gathering. Sean told him that an internship that was available at JBL and Charles jumped at the opportunity.<\/strong><\/p>\n

While working with Sean and HARMAN\u2019s former VP of Acoustical Engineering, Floyd Toole<\/a> (since retired), Charles completed his degree and was hired to develop consumer loudspeakers. As a systems engineer, he was charged with the acoustic integration of new products, working with mechanical and electrical engineers to shepherd home and office loudspeakers from R & D to marketplace. For 13 years Charles remained ensconced in JBL\u2019s consumer division, developing a wide variety of premium loudspeakers. From floor standing and bookshelf loudspeakers to wall-mounted, in-ceiling, in-wall and multimedia loudspeakers, and even fine-tuning the voicing for television sets, Charles reveled in providing quality sound.<\/p>\n

During this time, Charles developed a measurement template for virtual system integration. This\u00a0allows the JBL R & D team to accurately predict the response of a wide variety of loudspeaker tunings using a single prototype and has resulted\u00a0in better\u00a0product performance for their\u00a0customers.<\/p>\n

\"\"\u201cMy goal was to make a contribution to music by delivering an accurate product,\u201d he says. \u201cSean and Floyd have a remarkable body of work that analyzes\u00a0the preference of listeners to define what makes a good loudspeaker \u2018good\u2019. Their research has led them to conclude that neutral\u2014what we call flat frequency, projecting the music precisely as it was created and meant to be heard\u2014constitutes \u2018good\u2019. That level of accuracy is at the core of everything I strive for at JBL. Floyd\u2019s personal tagline is, \u2018Science in the service of art\u2019 and that\u2019s exactly what we do.\u201d<\/p>\n

In his last two years at HARMAN\u2019s consumer division, Charles began work on a new waveguide for high-frequency transducers. Sometimes called a horn, waveguides provide a physical structure for directing sound waves into space. Through the years, these devices had acquired a negative reputation for imparting a \u201chorn sound\u201d into speakers. Although Charles felt the reputation was unjustified, he was confident that there were ways to improve the waveguide\u2019s performance. By developing the JBL Image Control Waveguide<\/a>,\u00a0he made it possible to get truly neutral sound from premium loudspeakers and even studio monitors.<\/p>\n

In 2013 Charles seized the opportunity to move to JBL Pro, applying the systems and technologies he developed for consumer products to studio monitors\u00a0and loudspeakers for portable PAs. \u201cI\u2019m not a musician, but getting to play a part by building studio monitors, and becoming part of the musical creation is amazing,\u201d he says.<\/p>\n

Charles\u2019s first assignment at JBL Pro was to usher the M2<\/a>, JBL\u2019s flagship Master Reference Monitor, into production. Next, he embarked on his first full project, the extremely popular near-field studio LSR 3<\/a> Series. Charles has since been primarily occupied by the 7 Series<\/a> broadcast and post production line.<\/p>\n

\"\"

JBL EON ONE<\/p><\/div>\n

\u201cThe technical elements of working on studio monitors are interesting, but the really fun part is visiting the recording studios and post production facilities to\u00a0meet the people who use them. It\u2019s so valuable and motivating to hear, firsthand, what works for them. It reinforces how what we do here really matters,\u201d says Charles. \u201cWe\u2019re not just making widgets or designing tail lights, this is important for our culture. You have to be able to record a unique musical performance correctly, before it goes away. Using studio monitors with a neutral frequency response through an entire room can make a major difference in the final product.\u201d<\/p>\n

Between studio monitor projects, Charles has also worked on portable P.A. products such as the EON615<\/a> and the EON ONE<\/a>. For the EON615, Charles invented a new low-frequency aperture waveguide which matched the directivity of the woofer to that of the high-frequency driver. And, for the\u00a0EON ONE, he developed a transducer configuration for better coverage. \u201cWhat makes good sound for home loudspeakers and studio monitors also makes good sound for portable P.A., namely having neutral frequency response not only directly on-axis, but everywhere in the listening area,\u201d says Charles.<\/p>\n

With a fervor for invention that extends beyond work, Charles\u2019 wife, son and daughter are accustomed to his spending weekends designing and building new products\u2014such as a recent project, a fan duct for a 3D printer\u2014and experimenting with food. Charles is currently experimenting with the nuances of the savory flavor balance the Japanese call umami. \u201cCulturally, there are two big communicators\u2014music and food,\u201d says Charles. I\u2019m really fortunate to be immersed in both!\u201d<\/p>\n

Do you have what it takes to become a HARMAN Innovator? Introduce yourself in the comments and visit https:\/\/jobs.harman.com\/<\/a> to learn about our current opportunities.<\/p>\n","protected":false},"excerpt":{"rendered":"

What first strikes you about Charles Sprinkle\u2014JBL innovator, engineer and multiple patent holder\u2014is the glint in his eyes and the palpable welling up of enthusiasm that accompanies his talking about the reference monitors, consumer loudspeakers and other audio solutions he\u2019s found a deep passion for
CONTINUE READING<\/a>","protected":false},"author":16,"featured_media":1348,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,29,38,25],"tags":[],"application":[],"avlc":[],"brand":[],"product-category":[],"class_list":["post-1339","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-harman-pro","category-performing-arts","category-studio","category-touring"],"acf":[],"yoast_head":"\nHARMAN Innovator Spotlight: Charles Sprinkle, Principal JBL Loudspeaker Systems Engineer - HARMAN Professional Solutions Insights<\/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:\/\/pro.harman.com\/insights\/harman-pro\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HARMAN Innovator Spotlight: Charles Sprinkle, Principal JBL Loudspeaker Systems Engineer\" \/>\n<meta property=\"og:description\" content=\"What first strikes you about Charles Sprinkle\u2014JBL innovator, engineer and multiple patent holder\u2014is the glint in his eyes and the palpable welling up of enthusiasm that accompanies his talking about the reference monitors, consumer loudspeakers and other audio solutions he\u2019s found a deep passion for\" \/>\n<meta property=\"og:url\" content=\"https:\/\/pro.harman.com\/insights\/harman-pro\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\/\" \/>\n<meta property=\"og:site_name\" content=\"HARMAN Professional Solutions Insights\" \/>\n<meta property=\"article:published_time\" content=\"2016-07-22T14:51:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/hpro-web-assets.s3.amazonaws.com\/insights\/uploads\/2016\/07\/DSCN01591-1170x731.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1170\" \/>\n\t<meta property=\"og:image:height\" content=\"731\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Marina Muhlfriedel\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Marina Muhlfriedel\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/\"},\"author\":{\"name\":\"Marina Muhlfriedel\",\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/#\\\/schema\\\/person\\\/96d8ba9787f2f3d36726cef9b813803b\"},\"headline\":\"HARMAN Innovator Spotlight: Charles Sprinkle, Principal JBL Loudspeaker Systems Engineer\",\"datePublished\":\"2016-07-22T14:51:41+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/\"},\"wordCount\":1028,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/hpro-web-assets.s3.amazonaws.com\\\/insights\\\/uploads\\\/2016\\\/07\\\/DSCN01591.jpg\",\"articleSection\":[\"HARMAN Pro\",\"Performing Arts\",\"Studio\",\"Touring\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/\",\"url\":\"https:\\\/\\\/pro.harman.com\\\/insights\\\/harman-pro\\\/harman-innovator-spotlight-charles-sprinkle-principal-jbl-loudspeaker-systems-engineer\\\/\",\"name\":\"HARMAN Innovator Spotlight: Charles Sprinkle, Principal JBL Loudspeaker Systems Engineer - 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