{"id":13304,"date":"2015-05-20T07:48:22","date_gmt":"2015-05-20T11:48:22","guid":{"rendered":"http:\/\/swling.com\/blog\/?p=13304"},"modified":"2015-05-20T07:53:27","modified_gmt":"2015-05-20T11:53:27","slug":"sangean-blames-am-interference-on-power-supply-and-government-regulation","status":"publish","type":"post","link":"https:\/\/swling.com\/blog\/2015\/05\/sangean-blames-am-interference-on-power-supply-and-government-regulation\/","title":{"rendered":"Sangean blames AM interference on power supply and government regulation"},"content":{"rendered":"<p><a href=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Sangean-AMFM-Radio.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-12721\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Sangean-AMFM-Radio.jpg\" alt=\"Sangean-AMFM-Radio\" width=\"286\" height=\"500\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Sangean-AMFM-Radio.jpg 286w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Sangean-AMFM-Radio-172x300.jpg 172w\" sizes=\"auto, (max-width: 286px) 100vw, 286px\" \/><\/a>After the Sangean WR-15 received low marks for AM reception in an Amazon review, Bob of Sangean America\u00a0replied that\u00a0poor reception is due to the radio&#8217;s switching power supply&#8211;a design that is federally mandated.<\/p>\n<p><a href=\"http:\/\/herculodge.typepad.com\/herculodge\/2015\/05\/does-the-department-of-energy-mandated-power-supply-causes-am-interference-on-all-new-radios.html\" target=\"_blank\">Many thanks to Jeff over at the Herculodge for posting this (click here to read the full response)<\/a>.<\/p>\n<p>It&#8217;s a shame the WR-15 can&#8217;t accommodate internal batteries as battery operation this would solve the problem.<\/p>\n<p>If I owned the WR-15, I would simply replace the switching type power supply with a regulated power supply.<\/p>\n<p>Looking at the back of the WR-15\u00a0(below), it appears it\u00a0requires\u00a012 volts DC, 1.2 amps and an adapter with a positive center tip. Though I&#8217;m judging this only from the image, the plug looks to be a common size.<img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-13306\" src=\"http:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/05\/WR-15-back1.jpg\" alt=\"WR-15-back\" width=\"411\" height=\"279\" srcset=\"https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/05\/WR-15-back1.jpg 411w, https:\/\/swling.com\/blog\/wp-content\/uploads\/2015\/05\/WR-15-back1-300x204.jpg 300w\" sizes=\"auto, (max-width: 411px) 100vw, 411px\" \/>\u00a0I bet I have a power supply that would fit the bill in my junk drawer.<\/p>\n<p>Bob, at Sangean America, <a href=\"http:\/\/herculodge.typepad.com\/herculodge\/2015\/05\/does-the-department-of-energy-mandated-power-supply-causes-am-interference-on-all-new-radios.html\" target=\"_blank\">claims moving the radio at least one foot from the power supply should help<\/a>. In truth, I believe much of the noise may be conveyed by the power cord itself, though I may be wrong.<\/p>\n<p>It&#8217;s a shame Sangean engineers couldn&#8217;t compensate somehow for the noisy power supply as it seems this radio was actually marketed to AM radio enthusiasts.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>After the Sangean WR-15 received low marks for AM reception in an Amazon review, Bob of Sangean America\u00a0replied that\u00a0poor reception is due to the radio&#8217;s switching power supply&#8211;a design that is federally mandated. Many thanks to Jeff over at the Herculodge for posting this (click here to read the full response). It&#8217;s a shame the [&hellip;]<\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"open","ping_status":"open","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":[373,6,3,26],"tags":[3842,2940,4089,453,600,3720,3841],"class_list":["post-13304","post","type-post","status-publish","format-standard","hentry","category-am","category-manufacturers","category-news","category-radios","tag-am-noise","tag-herculodge","tag-qrm","tag-rfi","tag-sangean","tag-sangean-wr-15","tag-switching-power-supply-noise"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pn3uc-3sA","jetpack-related-posts":[{"id":35551,"url":"https:\/\/swling.com\/blog\/2019\/01\/bedside-radio-jeff-ousts-the-sangean-wr-2-in-favor-of-the-grundig-g4000a\/","url_meta":{"origin":13304,"position":0},"title":"Bedside radio: Jeff ousts the Sangean WR-2 in favor of the Grundig G4000A","author":"Thomas","date":"January 13, 2019","format":false,"excerpt":"Our friend, Jeff McMahon, over at the Herculodge blog has just replaced his bedside radio--he writes: Inexplicably, the Sangean WR-2 wasn't getting 89.3 KPCC without static, distortion, and bleed-in from another station, over the last few weeks, even with the wire FM antenna attached to the back of it. Who\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/01\/Grundig-G4000A-1024x576.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/01\/Grundig-G4000A-1024x576.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2019\/01\/Grundig-G4000A-1024x576.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":19543,"url":"https:\/\/swling.com\/blog\/2016\/06\/jeff-reviews-the-sangean-wr-2\/","url_meta":{"origin":13304,"position":1},"title":"Jeff reviews the Sangean WR-2","author":"Thomas","date":"June 19, 2016","format":false,"excerpt":"I've just learned that my buddy Jeff, over at the Herculodge, has reviewed the Sangean WR-2. Jeff writes: I haven\u2019t had a Sangean WR-2 in a year because a year ago Southern Cal Edison fried all the electronics on our block doing unauthorized work. They had to pay tens of\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"Sangean-WR2","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/06\/Sangean-WR2-1024x768.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/06\/Sangean-WR2-1024x768.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/06\/Sangean-WR2-1024x768.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":12985,"url":"https:\/\/swling.com\/blog\/2015\/04\/sangean-wr-15-great-looks-but-poor-performance\/","url_meta":{"origin":13304,"position":2},"title":"Sangean WR-15: great looks, but poor performance?","author":"Thomas","date":"April 14, 2015","format":false,"excerpt":"Jeff, over at the Herculodge, writes with some disappointing news: What a shame John bought the WR-15 and thinks it stinks: http:\/\/herculodge.typepad.com\/herculodge\/2015\/04\/john-cannot-recommend-the-sangean-wr-15-radio-due-to-subpar-am-and-fm.html Oh, that is a shame. An AM\/FM radio with poor AM\/FM sensitivity has little appeal (even if it has a great\u00a0chassis). John (the reviewer) mentions what sounds like\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"Sangean-AMFM-Radio","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Sangean-AMFM-Radio.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":12720,"url":"https:\/\/swling.com\/blog\/2015\/03\/the-new-sangean-wr-15-amfm-radio\/","url_meta":{"origin":13304,"position":3},"title":"The new Sangean WR-15 AM\/FM radio","author":"Thomas","date":"March 20, 2015","format":false,"excerpt":"Jeff\u00a0over at the excellent Herculodg blog, is about to pull the trigger on this Sangean WR-15. I must admit, I'm mighty tempted, too--about as tempted as I get for radios lacking shortwave coverage. I love the simple design, the analog dial, and the three choices of finish: walnut, black leatherette,\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"Sangean-AMFM-Radio","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/03\/Sangean-AMFM-Radio.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":14935,"url":"https:\/\/swling.com\/blog\/2015\/09\/jeffs-bedside-radio-search-ends-with-the-sangean-cl-100\/","url_meta":{"origin":13304,"position":4},"title":"Jeff&#8217;s bedside radio search ends with the Sangean CL-100","author":"Thomas","date":"September 24, 2015","format":false,"excerpt":"My pal, Jeff McMahon, over at the Herculodge writes: A week ago, my Sangean WR-2 was fried when the electric company surged my house. I replaced it with the Grundig S350DL but it drifted too much. I then used my superior Crane-SW radio (same size as the big Grundig) and\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"Sangean-CL-100","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/09\/Sangean-CL-100-e1443091254584.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/09\/Sangean-CL-100-e1443091254584.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2015\/09\/Sangean-CL-100-e1443091254584.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":21307,"url":"https:\/\/swling.com\/blog\/2016\/09\/sangean-wr-22-bills-tale-of-radios-and-outdoor-antennas\/","url_meta":{"origin":13304,"position":5},"title":"Sangean WR-22: Bill&#8217;s tale of radios and outdoor antennas","author":"Thomas","date":"September 12, 2016","format":false,"excerpt":"Many thanks to SWLing Post contributor, Bill, who writes: I was interested in the Sangean HDR-18 which showed up on SWLing Post. But I\u00a0ended up going for the similar-looking WR-22 (here on the Sangean site)\u00a0because it lookscooler. Well, yes, it also costs a bit less. Also, it trades the HDR-18's\u2026","rel":"","context":"In &quot;AM&quot;","block_context":{"text":"AM","link":"https:\/\/swling.com\/blog\/category\/am\/"},"img":{"alt_text":"img_0066","src":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/09\/IMG_0066.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/09\/IMG_0066.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/09\/IMG_0066.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/swling.com\/blog\/wp-content\/uploads\/2016\/09\/IMG_0066.jpg?resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/13304","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/comments?post=13304"}],"version-history":[{"count":0,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/posts\/13304\/revisions"}],"wp:attachment":[{"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/media?parent=13304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/categories?post=13304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/swling.com\/blog\/wp-json\/wp\/v2\/tags?post=13304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}