{"id":13,"date":"2025-08-03T09:01:31","date_gmt":"2025-08-03T09:01:31","guid":{"rendered":"https:\/\/www.bosszone.info\/?page_id=13"},"modified":"2025-08-26T14:22:02","modified_gmt":"2025-08-26T22:22:02","slug":"ph-1-phaser","status":"publish","type":"page","link":"https:\/\/www.bosszone.info\/?page_id=13","title":{"rendered":"PH-1 Phaser"},"content":{"rendered":"\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"377\" height=\"648\" src=\"https:\/\/www.bosszone.info\/wp-content\/uploads\/2025\/08\/PH-1-Phaser.jpg\" alt=\"\" class=\"wp-image-252 size-full\" srcset=\"https:\/\/www.bosszone.info\/wp-content\/uploads\/2025\/08\/PH-1-Phaser.jpg 377w, https:\/\/www.bosszone.info\/wp-content\/uploads\/2025\/08\/PH-1-Phaser-175x300.jpg 175w\" sizes=\"auto, (max-width: 377px) 100vw, 377px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">The first BOSS phaser pedal and one of the trio of compact pedals introduced in 1977, the PH-1 features a simpler control set than prior Roland phasers like the AP-2, AP-5, and AP-7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The PH-1 is a four-stage phaser with a very broad LFO speed range. The extremes of the &#8220;Rate&#8221; knob correspond to periods of 100ms and 16s.<\/p>\n<\/blockquote>\n<\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Positioned to compete with American offerings like the MXR Phase 90 and Electro-Harmonix Small Stone, the PH-1 was successful and started a product line that continues to this day. Its immediate successor was the PH-1R.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In 2017, the PH-1, along with the <a href=\"https:\/\/www.bosszone.info\/?page_id=12\" data-type=\"page\" data-id=\"12\">OD-1<\/a> and <a href=\"https:\/\/www.bosszone.info\/?page_id=14\" data-type=\"page\" data-id=\"14\">SP-1<\/a>, was reissued as part of the 40th Anniversary Box set.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"is-style-text-subtitle is-style-text-subtitle--1 wp-block-paragraph\">Version Differences<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The PH-1 was made with both silver and black thumb screws<\/li>\n\n\n\n<li>As with other early compact pedals, the earliest variants use the &#8220;momentary&#8221; LED functionality on the &#8220;Check&#8221; light, which was later replaced by the &#8220;latching&#8221; functionality<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"is-style-text-subtitle is-style-text-subtitle--2 wp-block-paragraph\">Specifications<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Controls:&nbsp;<\/strong>Rate, Depth<\/li>\n\n\n\n<li><strong>Connectors:&nbsp;<\/strong>Input, Output, AC Adaptor<\/li>\n\n\n\n<li><strong>Current Draw:&nbsp;<\/strong>7mA at 9V DC<\/li>\n\n\n\n<li><strong>Weight:&nbsp;<\/strong>400g<\/li>\n\n\n\n<li><strong>Input Impedance:&nbsp;<\/strong>220k\u03a9<\/li>\n\n\n\n<li><strong>Output Impedance:&nbsp;<\/strong>Over 600\u03a9<\/li>\n\n\n\n<li><strong>S\/N Ratio:&nbsp;<\/strong>Over 80dB<\/li>\n\n\n\n<li><strong>Recommended AC Adaptor:&nbsp;<\/strong>ACA Series<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"is-style-text-subtitle is-style-text-subtitle--3 wp-block-paragraph\"><strong>Labels<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Black<\/strong>&nbsp;\u2013 Made In&nbsp;<strong>Japan<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"is-style-text-subtitle is-style-text-subtitle--4 wp-block-paragraph\">Production<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The PH-1 was sold from November 1977 to November 1981.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"is-style-text-subtitle is-style-text-subtitle--5 wp-block-paragraph\">Documentation<\/p>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-8d847716-e8a7-4f17-bd40-f1a6ea2c17f6\" href=\"https:\/\/www.bosszone.info\/wp-content\/uploads\/2025\/08\/PH-1_OM-1.pdf\">Instructions (October 1977)<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"is-style-text-subtitle is-style-text-subtitle--6 wp-block-paragraph\">Video<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\ud83c\udf66Sweet Phaser | Boss PH-1 | MIJ Silver Screw\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/z2qPDpCoNGk?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>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Positioned to compete with American offerings like the MXR Phase 90 and Electro-Harmonix Small Stone, the PH-1 was successful and started a product line that continues to this day. Its immediate successor was the PH-1R. In 2017, the PH-1, along with the OD-1 and SP-1, was reissued as part of the 40th Anniversary Box set. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8,15,16,12,17],"tags":[],"class_list":["post-13","page","type-page","status-publish","hentry","category-compact-pedals","category-effects","category-modulation","category-pedals","category-phaser"],"_links":{"self":[{"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/pages\/13","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13"}],"version-history":[{"count":5,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/pages\/13\/revisions"}],"predecessor-version":[{"id":260,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/pages\/13\/revisions\/260"}],"up":[{"embeddable":true,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=\/wp\/v2\/pages\/2"}],"wp:attachment":[{"href":"https:\/\/www.bosszone.info\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bosszone.info\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}