{"id":28805,"date":"2026-01-07T09:28:56","date_gmt":"2026-01-07T00:28:56","guid":{"rendered":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=28805"},"modified":"2026-01-07T09:28:56","modified_gmt":"2026-01-07T00:28:56","slug":"%e3%82%a4%e3%83%b3%e3%82%bf%e3%83%bc%e3%83%95%e3%82%a9%e3%83%b3%e5%ad%90%e6%a9%9f%e3%81%ae%e4%bf%ae%e7%90%86-2","status":"publish","type":"post","link":"https:\/\/je1sgh.mydns.jp\/je1sghblog\/?p=28805","title":{"rendered":"\u30a4\u30f3\u30bf\u30fc\u30d5\u30a9\u30f3\u5b50\u6a5f\u306e\u4fee\u7406 (2)"},"content":{"rendered":"\n

インターフォン<\/a>のその後ですが，今回スピーカー交換で屋内の親機からの音声が屋外の子機のスピーカーから聞こえるようになりましたが，音量が少し小さいです．運用でカバーするしかないです😓<\/p>\n\n\n\n

さて，故障した子機のスピーカーはまだ見た目はほとんど新品です．スポンジが貼ってあったコイルの背中の部分の残ったスポンジを爪で取りましたが何も刻印してありません．刻印は写真で見える<\/p>\n\n\n\n

57N
2C24L<\/pre>\n\n\n\n
のみです．57は直径57mmのことでしょうが，他のローマ字・数字の意味は不明です．<\/p>\n\n\n\n
テスターで端子間の抵抗を計るとどちらも無限大で、断線していると断定できます．<\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
これまでの人生で小型のスピーカーの付いた製品をいくつも使用してきましたが，スピーカーが断線した1<\/a><\/sup>特にほんの数年での断線は全く記憶にありません．<\/span>，という経験はありませんので，このスピーカーを使用したインターフォンメーカーにとっては重大な事案と思います．<\/p>\n","protected":false},"excerpt":{"rendered":"
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