{"id":28,"date":"2017-06-22T14:54:00","date_gmt":"2017-06-22T12:54:00","guid":{"rendered":"https:\/\/rerunelectronicscom.wordpress.com\/2017\/06\/22\/the-gamma-ray-tube-vocal-preamplifier-with-spring-reverb-delay-and-tremolo"},"modified":"2018-11-02T21:44:07","modified_gmt":"2018-11-02T21:44:07","slug":"the-gamma-ray-tube-vocal-preamplifier-with-spring-reverb-delay-and-tremolo","status":"publish","type":"post","link":"http:\/\/rerun-electronics.com\/?p=28","title":{"rendered":"The Gamma Ray Tube Vocal Preamplifier with Spring Reverb, Delay and Tremolo"},"content":{"rendered":"\n<ul class=\"wp-block-gallery columns-2 is-cropped wp-block-gallery-1\"><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1059\" height=\"691\" src=\"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/country-e1541172401852.jpg\" alt=\"\" data-id=\"1793\" data-link=\"http:\/\/rerun-electronics.com\/?attachment_id=1793\" class=\"wp-image-1793\" srcset=\"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/country-e1541172401852.jpg 1059w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/country-e1541172401852-300x196.jpg 300w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/country-e1541172401852-768x501.jpg 768w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/country-e1541172401852-1024x668.jpg 1024w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1191\" src=\"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/05\/e0e41-side3.jpg\" alt=\"\" data-id=\"70\" data-link=\"http:\/\/rerun-electronics.com\/?attachment_id=70\" class=\"wp-image-70\" srcset=\"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/05\/e0e41-side3.jpg 1600w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/05\/e0e41-side3-300x223.jpg 300w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/05\/e0e41-side3-768x572.jpg 768w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/05\/e0e41-side3-1024x762.jpg 1024w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img loading=\"lazy\" decoding=\"async\" width=\"1314\" height=\"1000\" src=\"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27.jpg\" alt=\"\" data-id=\"1842\" data-link=\"http:\/\/rerun-electronics.com\/?attachment_id=1842\" class=\"wp-image-1842 is-layout-flex wp-block-gallery-is-layout-flex\" srcset=\"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27.jpg 1314w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27-300x228.jpg 300w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27-768x584.jpg 768w, http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27-1024x779.jpg 1024w\" sizes=\"auto, (max-width: 706px) 89vw, (max-width: 767px) 82vw, 740px\" \/><\/figure><\/li><\/ul>\n\n\n<div>&nbsp;<\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><i>Built for Gemma Ray<\/i><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><i>&nbsp;<\/i><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\">Gemma Ray&#8217;s Gamma Ray Vocal Preamplifier is one of my favorite projects to date. &nbsp;The idea was to build a device that Gemma could use on stage to not only enhance but to effect the vocal signal live. &nbsp;Therefore, we decided on a spring reverb, tremolo, and a delay built in parallel to the preamplifier. &nbsp;These can all be turned off and on with an external foot switcher box. &nbsp;All four signals are mixed together and and sent through a balanced output to the front of house mixing desk.<\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><i>&nbsp;<\/i><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\">As the original Siemens test equipment used a plethora of EF95 and EF94 tubes, I decided to stick with these as the base for the circuitry. &nbsp;The EF95 makes for an excellent triode and the EF94 in pentode mode delivers enough current to drive the spring reverb. &nbsp;The microphone preamplifier consists of a two stage circuit with a gain and high pass filter as well as an output level which allows for more control&#8211; anything from a growly distortion to extremely clean is possible.<\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\"><i>&nbsp;<\/i><\/div>\n<div class=\"separator\" style=\"clear: both; text-align: left;\">The case is robust and built to last. &nbsp;With an excellent leather handle and large front grips, it is easy to carry and makes a nice impression.<\/div>","protected":false},"excerpt":{"rendered":"<p>&nbsp; Built for Gemma Ray &nbsp; Gemma Ray&#8217;s Gamma Ray Vocal Preamplifier is one of my favorite projects to date. &nbsp;The idea was to build a device that Gemma could use on stage to not only enhance but to effect the vocal signal live. &nbsp;Therefore, we decided on a spring reverb, tremolo, and a delay &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/rerun-electronics.com\/?p=28\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;The Gamma Ray Tube Vocal Preamplifier with Spring Reverb, Delay and Tremolo&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":1842,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"image","meta":{"advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[3,7,9],"tags":[],"class_list":["post-28","post","type-post","status-publish","format-image","has-post-thumbnail","hentry","category-custom-orders","category-microphone-preampflifiers","category-spring-reverbs","post_format-post-format-image"],"author_meta":{"display_name":"rerun","author_link":"http:\/\/rerun-electronics.com\/author\/rerun"},"featured_img":"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27-300x228.jpg","jetpack_publicize_connections":[],"jetpack_featured_media_url":"http:\/\/rerun-electronics.com\/wp-content\/uploads\/2018\/11\/front27.jpg","coauthors":[],"tax_additional":{"categories":{"linked":["<a href=\"http:\/\/rerun-electronics.com\/?cat=3\" class=\"advgb-post-tax-term\">Custom Orders<\/a>","<a href=\"http:\/\/rerun-electronics.com\/?cat=7\" class=\"advgb-post-tax-term\">Microphone Preampflifiers<\/a>","<a href=\"http:\/\/rerun-electronics.com\/?cat=9\" class=\"advgb-post-tax-term\">Spring Reverbs<\/a>"],"unlinked":["<span class=\"advgb-post-tax-term\">Custom Orders<\/span>","<span class=\"advgb-post-tax-term\">Microphone Preampflifiers<\/span>","<span class=\"advgb-post-tax-term\">Spring Reverbs<\/span>"]}},"comment_count":"0","relative_dates":{"created":"Posted 9 years ago","modified":"Updated 7 years ago"},"absolute_dates":{"created":"Posted on 2017-06-22","modified":"Updated on 2018-11-02"},"absolute_dates_time":{"created":"Posted on 2017-06-22 14:54","modified":"Updated on 2018-11-02 21:44"},"featured_img_caption":"","series_order":"","jetpack_sharing_enabled":false,"jetpack_shortlink":"https:\/\/wp.me\/papHjQ-s","_links":{"self":[{"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/posts\/28","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=28"}],"version-history":[{"count":9,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/posts\/28\/revisions"}],"predecessor-version":[{"id":1988,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/posts\/28\/revisions\/1988"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=\/wp\/v2\/media\/1842"}],"wp:attachment":[{"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=28"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=28"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/rerun-electronics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=28"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}