https://baike.jbufa.com/index.php?action=history&feed=atom&title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8 2026-05-06T03:13:09Z 本wiki上该页面的版本历史 MediaWiki 1.41.1 https://baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&diff=26098&oldid=prev 2025-08-14T17:55:01Z

<p>文字替换 -“<a href="/index.php?title=%E5%88%86%E7%B1%BB:%E7%81%AB%E7%81%BE%E8%87%AA%E5%8A%A8%E6%8A%A5%E8%AD%A6%E7%B3%BB%E7%BB%9F" title="分类:火灾自动报警系统">Category:火灾自动报警系统</a>”替换为“<a href="/index.php?title=%E5%88%86%E7%B1%BB:%E7%81%AB%E7%81%BE%E6%8A%A5%E8%AD%A6%E5%8F%8A%E8%81%94%E5%8A%A8%E6%8E%A7%E5%88%B6%E7%B3%BB%E7%BB%9F" title="分类:火灾报警及联动控制系统">Category:火灾报警及联动控制系统</a>”</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hans-CN"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">←上一版本</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">2025年8月15日 (五) 01:55的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l346">第346行：</td> <td colspan="2" class="diff-lineno">第346行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<del style="font-weight: bold; text-decoration: none;">火灾自动报警系统</del>]][[Category:消防广播及通讯系统]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<ins style="font-weight: bold; text-decoration: none;">火灾报警及联动控制系统</ins>]][[Category:消防广播及通讯系统]]</div></td></tr> </table>

Admin https://baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&diff=25476&oldid=prev 2025-08-13T07:37:12Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hans-CN"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">←上一版本</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">2025年8月13日 (三) 15:37的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l343">第343行：</td> <td colspan="2" class="diff-lineno">第343行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>随机附件：每台功放附送相应规格的保险丝（3A/5A/10A）两只；音频屏蔽线 1 条；数据线 1 条；安装使用说明书一本</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>随机附件：每台功放附送相应规格的保险丝（3A/5A/10A）两只；音频屏蔽线 1 条；数据线 1 条；安装使用说明书一本</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<del style="font-weight: bold; text-decoration: none;">消防应急广播通讯系统</del>]]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[Category:<ins style="font-weight: bold; text-decoration: none;">火灾自动报警系统]][[Category:消防广播及通讯系统</ins>]]</div></td></tr> </table>

Jyt https://baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&diff=23961&oldid=prev 2025-07-31T06:59:59Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hans-CN"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">←上一版本</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">2025年7月31日 (四) 14:59的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l59">第59行：</td> <td colspan="2" class="diff-lineno">第59行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>箱体的外观如图3-1所示。外形尺寸：482.6mm长×222mm宽×88.5mm高。</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>箱体的外观如图3-1所示。外形尺寸：482.6mm长×222mm宽×88.5mm高。</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">!</del>[<del style="font-weight: bold; text-decoration: none;">](images/</del>GRT-<del style="font-weight: bold; text-decoration: none;">GB2213广播功率放大器_000001</del>.jpg<del style="font-weight: bold; text-decoration: none;">)  </del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[<ins style="font-weight: bold; text-decoration: none;">[文件:</ins>GRT-<ins style="font-weight: bold; text-decoration: none;">GB2212广播功率放大器_000001</ins>.jpg<ins style="font-weight: bold; text-decoration: none;">|400px]] </ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>图 3-1 箱体（单位：mm ）</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>图 3-1 箱体（单位：mm ）</div></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l67">第67行：</td> <td colspan="2" class="diff-lineno">第67行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>广播功率放大器面板说明，如图 3-2 所示</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>广播功率放大器面板说明，如图 3-2 所示</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">!</del>[<del style="font-weight: bold; text-decoration: none;">](images/</del>GRT-<del style="font-weight: bold; text-decoration: none;">GB2213广播功率放大器_000002</del>.jpg<del style="font-weight: bold; text-decoration: none;">) </del>  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[<ins style="font-weight: bold; text-decoration: none;">[文件:</ins>GRT-<ins style="font-weight: bold; text-decoration: none;">GB2212广播功率放大器_000002</ins>.jpg<ins style="font-weight: bold; text-decoration: none;">|400px]] </ins>  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>图 3-2 广播功率放大器前面板</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>图 3-2 广播功率放大器前面板</div></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l105">第105行：</td> <td colspan="2" class="diff-lineno">第105行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>广播功率放大器背板说明，如图 3-3 所示：</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>广播功率放大器背板说明，如图 3-3 所示：</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">!</del>[<del style="font-weight: bold; text-decoration: none;">](images/</del>GRT-<del style="font-weight: bold; text-decoration: none;">GB2213广播功率放大器_000003</del>.jpg<del style="font-weight: bold; text-decoration: none;">) </del>  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[<ins style="font-weight: bold; text-decoration: none;">[文件:</ins>GRT-<ins style="font-weight: bold; text-decoration: none;">GB2212广播功率放大器_000003</ins>.jpg<ins style="font-weight: bold; text-decoration: none;">|400px]] </ins>  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>图 3-3 广播功率放大器背板</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>图 3-3 广播功率放大器背板</div></td></tr> </table>

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<p></p> <a href="//baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&amp;diff=22360&amp;oldid=20749">显示更改</a>

18381646655 https://baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&diff=20749&oldid=prev 2025-07-15T07:35:07Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hans-CN"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">←上一版本</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">2025年7月15日 (二) 15:35的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l73">第73行：</td> <td colspan="2" class="diff-lineno">第73行：</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{产品说明书|引用文件名=GRT-GB2211-GB2212-GB2213广播功率放大器 使用说明书 V1.12023.03.23 1730957017403}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{产品说明书|引用文件名=GRT-GB2211-GB2212-GB2213广播功率放大器 使用说明书 V1.12023.03.23 1730957017403}}</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{高清图片|文件名称=GRT-GB2212高清图片}}</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:消防应急广播通讯系统]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:消防应急广播通讯系统]]</div></td></tr> </table>

18381646655 https://baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&diff=15128&oldid=prev 2025-07-09T08:26:45Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="zh-Hans-CN"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">←上一版本</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">2025年7月9日 (三) 16:26的版本</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1">第1行：</td> <td colspan="2" class="diff-lineno">第1行：</td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{产品图片|文件名称=功率放大器_GRT-GB2212.png|显示名称=功率放大器_GRT-GB2212}}</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 概述 ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 概述 ==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>GRT-GB2211/GB2212/GB2213系列广播功率放大器是GRT-GB2010消防应急广播系统的配套产品，与广播控制盘、广播终端（扬声器）等设备组网，实现应急广播功能。产品设计符合国家标准GB 16806-2006及第1号修改单。产品特点包括定压120V音频输出、过热过载短路保护、地址设置功能、自动登记和重号提示、故障提示、现场音量监听和背景音量调节功能。&lt;br&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>GRT-GB2211/GB2212/GB2213系列广播功率放大器是GRT-GB2010消防应急广播系统的配套产品，与广播控制盘、广播终端（扬声器）等设备组网，实现应急广播功能。产品设计符合国家标准GB 16806-2006及第1号修改单。产品特点包括定压120V音频输出、过热过载短路保护、地址设置功能、自动登记和重号提示、故障提示、现场音量监听和背景音量调节功能。&lt;br&gt;</div></td></tr> </table>

Admin https://baike.jbufa.com/index.php?title=GRT-GB2212%E5%B9%BF%E6%92%AD%E5%8A%9F%E7%8E%87%E6%94%BE%E5%A4%A7%E5%99%A8&diff=11505&oldid=prev 2025-06-23T05:16:51Z

<p>创建页面，内容为“== 概述 == GRT-GB2211/GB2212/GB2213系列广播功率放大器是GRT-GB2010消防应急广播系统的配套产品，与广播控制盘、广播终端（扬声器）等设备组网，实现应急广播功能。产品设计符合国家标准GB 16806-2006及第1号修改单。产品特点包括定压120V音频输出、过热过载短路保护、地址设置功能、自动登记和重号提示、故障提示、现场音量监听和背景音量调节功能。&lt;br&gt;…”</p> <p><b>新页面</b></p><div>== 概述 ==<br /> GRT-GB2211/GB2212/GB2213系列广播功率放大器是GRT-GB2010消防应急广播系统的配套产品，与广播控制盘、广播终端（扬声器）等设备组网，实现应急广播功能。产品设计符合国家标准GB 16806-2006及第1号修改单。产品特点包括定压120V音频输出、过热过载短路保护、地址设置功能、自动登记和重号提示、故障提示、现场音量监听和背景音量调节功能。&lt;br&gt;<br /> <br /> == 产品特点 ==<br /> <br /> 采用定压120V音频输出。&lt;br&gt;<br /> 具有功放过热、过载及短路保护功能。&lt;br&gt;<br /> 具有地址设置功能，最大支持10台功率放大器地址。&lt;br&gt;<br /> 具有自动登记和重号提示功能。&lt;br&gt;<br /> 具有故障提示功能。&lt;br&gt;<br /> 具有现场音量监听和背景音量调节功能。&lt;br&gt;<br /> == 主要技术参数及特性 ==<br /> <br /> 主电电源：额定电压AC220V（+10%，-15%，50Hz）。&lt;br&gt;<br /> 备电电源：额定电压AC220V（+10%，-15%，50Hz）。&lt;br&gt;<br /> 功放额定输出电压：120V。&lt;br&gt;<br /> 额定输出功率：150W、300W、600W（可选）。&lt;br&gt;<br /> 频率响应范围：80Hz-8kHz。&lt;br&gt;<br /> 总谐波失真：≤5%。&lt;br&gt;<br /> 信噪比：≥70dB。&lt;br&gt;<br /> 音频干线长度：最大1200M。&lt;br&gt;<br /> 设备地址设置范围：1～15。&lt;br&gt;<br /> 温度：0℃～+40℃。&lt;br&gt;<br /> 相对湿度：≤95%。&lt;br&gt;<br /> 安装方式：入柜式。&lt;br&gt;<br /> 执行标准：GB 16806-2006《消防联动控制系统》及第1号修改单。&lt;br&gt;<br /> == 结构特征和功能 ==<br /> 箱体外形尺寸：482.6mm长×222mm宽×88.5mm高。&lt;br&gt;<br /> 功率放大器面板包括监听扬声器、指示灯区、音频输出电平显示、音量调节旋钮等。&lt;br&gt;<br /> 功率放大器背板包括产品标签、定压输出端子、音频输入/输出端子、控制输入输出端子、功放设置端子、主电/备电端子、保险管座、电源开关等。&lt;br&gt; <br /> === 系统组成 ===<br /> <br /> 系统由电源、主备电切换、音频前置放大、功率放大、自动增益控制、电平显示等电路组成。&lt;br&gt;<br /> == 基本功能和设置 ==<br /> <br /> <br /> 响应火灾报警控制器联动控制信息，实现消防自动广播。&lt;br&gt;<br /> 受控自检和复位功能。&lt;br&gt;<br /> 话筒广播或录音时，监听扬声器自动静音。&lt;br&gt;<br /> 应急广播控制信号时，功放自动调整为最大音量输出。&lt;br&gt;<br /> 主备电自动切换功能，主电优先。&lt;br&gt;<br /> 功放故障或音频输出线路异常时，故障状态自动发送到广播控制盘。&lt;br&gt; <br /> == 故障分析与排除 ==<br /> <br /> 开机后指示灯无显示或显示不正常：检查电源和电源开关。&lt;br&gt;<br /> 开机后指示灯显示“主电故障”：检查220V主电电源。&lt;br&gt;<br /> 开机后指示灯显示“备电故障”：检查220V备电电源。&lt;br&gt;<br /> 无声音：调整音量旋钮，检查音频线接触。&lt;br&gt;<br /> 干线故障：检查音频输出总线。&lt;br&gt;<br /> 通讯故障：重新插拔通讯线，检查通讯线。&lt;br&gt;<br /> 灯闪烁：排查功放地址设置，找到重复地址并更正。&lt;br&gt;<br /> == 维护和保养 ==<br /> <br /> 设备应保持工作状态，通过广播控制盘进行“自检”。&lt;br&gt;<br /> 定期维护，每个季度进行应急广播模拟试验。&lt;br&gt;<br /> 检查主备电接线，更换保险丝时确保规格相同。&lt;br&gt;<br /> 系统长期不使用时，关闭电源开关。&lt;br&gt;<br /> == 其他 ==<br /> === 运输和存储 ===<br /> <br /> <br /> 包装应包括怕雨、向上、易碎物品的包装储运图形标志。&lt;br&gt;<br /> 储存在通风干燥的仓库中，储存温度在-10℃～+50℃，无凝露，避免腐蚀性气体和强烈振动冲击。&lt;br&gt;<br /> === 注意事项 ===<br /> <br /> 功率放大器最大负载功率不应大于额定输出功率。&lt;br&gt;<br /> 重复开机时间应大于5秒钟。&lt;br&gt;<br /> 内含高压，维护时请注意安全。&lt;br&gt; <br /> === 附件清单 ===<br /> <br /> 随机附件包括保险丝、音频屏蔽线、数据线、安装使用说明书。&lt;br&gt;<br /> <br /> {{产品说明书|引用文件名=GRT-GB2211-GB2212-GB2213广播功率放大器 使用说明书 V1.12023.03.23 1730957017403}}<br /> [[Category:消防应急广播通讯系统]]</div>

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