{"id":12000,"date":"2025-03-25T17:53:58","date_gmt":"2025-03-25T09:53:58","guid":{"rendered":"https:\/\/pockyu.com\/?post_type=product&#038;p=12000"},"modified":"2026-02-09T16:12:22","modified_gmt":"2026-02-09T08:12:22","slug":"jubilee-300-b","status":"publish","type":"product","link":"https:\/\/www.richcoln.com\/zh\/product\/jubilee-300-b\/","title":{"rendered":"Jubilee 300 B"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;-10px||0px||false|false&#8221; custom_padding=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_enable_image=&#8221;off&#8221; background_size=&#8221;initial&#8221; width=&#8221;100%&#8221; max_width=&#8221;2560px&#8221; custom_margin=&#8221;0px|0px|0px|0px|false|false&#8221; custom_padding=&#8221;0px|0px|0px|0px|false|false&#8221; 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type=\"hidden\" name=\"wpf\" value=\"burmester-1-1-1\" \/>\n\t\t\t<input type=\"hidden\" name=\"orderby\" value=\"\" \/>\n\t\t\t<input type=\"hidden\" name=\"wpf_cols\" value=\"\" \/>\n\t\t\t<input type=\"hidden\" name=\"wpf_page\" value=\"1\" \/>\n\t\t\t                        <div class=\"wpf_items_wrapper wpf_layout_vertical\">\n                                                                                                                <div class=\"wpf_item wpf_item_wpf_cat\">\n                                                                    <div class=\"wpf_item_name\">Category<\/div>\n                                                                                                <ul class=\"wpf_column_horizontal\">\n                                                                                        \n                    \n                            <li class=\"wpf_product_cat_211\">\n                                                                    <input  id=\"wpf_burmester-1-1-1_211\" type=\"checkbox\" name=\"wpf_cat[]\" value=\"o7\" \/>\n                        <label                                 for=\"wpf_burmester-1-1-1_211\">\n                            JUBILEE LINE                                                    <\/label>\n                    \n                                                        <\/li>\n                                \n                            <li class=\"wpf_product_cat_210\">\n                                                                    <input  id=\"wpf_burmester-1-1-1_210\" type=\"checkbox\" name=\"wpf_cat[]\" value=\"o6\" \/>\n                        <label                                 for=\"wpf_burmester-1-1-1_210\">\n                            ADDITIONAL DEVICES                                                    <\/label>\n                    \n                                                        <\/li>\n                                \n                            <li 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title=&#8221;Description&#8221; open=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Our objective was to develop a 300 B amplifier that provides enough power for most speakers while not interfering with the classic 300 B circuit. It was not about power for the sake of power but about providing the 300 B with a perfect environment that enhances the tonal qualities of this tube.<\/p>\n<p>The concept of a 300 B single-ended amplifier delivering 20 &#8211; 30 W output power with three power tubes in indirect parallel operation was thus born.<\/p>\n<p>There is a fundamental problem regarding &#8220;direct&#8221; heating of the triodes:<\/p>\n<p>Unlike indirectly heated tubes (such as the KT 88, KT 120, etc.) directly heated triodes cannot operate directly in parallel because of the complex demands on the heating system needed increase output power.<\/p>\n<p>The typical 50 Hz AC heater voltage would cause unacceptably high hum and power disturbances in the speaker. Although DC heating eliminates the hum it also limits the sonic potential of the 300 B.<\/p>\n<p>Octave&#8217;s solution:We have developed a 7 Hz power generator that supplies each of the three 300 B tubes with a separate regulated 7 Hz pure sine wave heating voltage.<\/p>\n<p>\u2022 This makes it possible to connect several 300 B tubes in parallel.<\/p>\n<p>\u2022 Sound-affecting ripple and RF disturbances of the line frequency are completely eliminated.<\/p>\n<p>\u2022 Heating and operating voltage are electronically controlled sound instabilities due the fluctuating mains voltage is a thing of the past.<\/p>\n<p>\u2022 Only then can the tonal potential of the 300 B be fully exploited. The 300 B tubes will now operate in the optimized region and can fully develop their tonal qualities. Now it becomes clear why she is called the &#8220;queen&#8221; of tubes.<\/p>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.richcoln.com\/wp-content\/uploads\/2025\/03\/2-11.jpg&#8221; title_text=&#8221;2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_margin=&#8221;44px|22px|||false|false&#8221; custom_margin_tablet=&#8221;2px|||22px|false|false&#8221; custom_margin_phone=&#8221;-4px|22px|0px|22px|false|false&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; custom_padding=&#8221;0px|0px|0px|0px|false|false&#8221; border_radii=&#8221;on|0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_accordion _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; toggle_font_size=&#8221;23px&#8221; width=&#8221;94%&#8221; 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_builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>Thus the Octave Jubilee 300 B is an absolutely modern and uncompromising implementation of arguably the finest amplification technology in the high-end sector. The amp offers an emotional smooth highresolution dynamic and expansive triode sound not only in the mid\/high frequency range but for the first time completely across the full audio band.<\/p>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;gcid-1ceede91-71be-464b-930c-ee204c722893&#8243; width=&#8221;100%&#8221; width_tablet=&#8221;100%&#8221; width_phone=&#8221;100%&#8221; width_last_edited=&#8221;on|tablet&#8221; max_width=&#8221;2560px&#8221; min_height_tablet=&#8221;100px&#8221; min_height_phone=&#8221;1268px&#8221; min_height_last_edited=&#8221;off|desktop&#8221; height_tablet=&#8221;771px&#8221; height_phone=&#8221;1000px&#8221; height_last_edited=&#8221;off|desktop&#8221; max_height_last_edited=&#8221;off|desktop&#8221; custom_margin=&#8221;33px|0px|0px|0px|false|false&#8221; custom_padding=&#8221;0px|0px|0px|0px|false|false&#8221; 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open=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p>An exciting option for the Jubilee 300 B the bi-amping package dramatically expands the application possibilities of these brilliant mono amplifiers as even 30 pure Class A watt amplifiers will have limits.<\/p>\n<p>If you wish to enjoy the seductive sound of triodes in very large rooms or with power-hungry speakers it is often beneficial to control the bass region by utilizing a separate power amplifier for the low frequencies. However such traditional bi-amping requires a level of customization thus this optional package (which is not retrofit upgradeable) includes several important features to optimally integrate the Jubilee 300 B with the bass amplifier.<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>The most important tool is a level adjustment to optimize the sensitivity of the Jubilee 300 B to the bass amplifier. With this controller you can perfectly integrate any amplifier into the system.<\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_accordion _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; toggle_font_size=&#8221;23px&#8221; width=&#8221;94%&#8221; min_height_tablet=&#8221;100px&#8221; min_height_phone=&#8221;100px&#8221; min_height_last_edited=&#8221;off|desktop&#8221; custom_margin=&#8221;40px|0px|0px|0px|false|false&#8221; custom_margin_tablet=&#8221;-41px|0px|0px|36px|false|false&#8221; custom_margin_phone=&#8221;-44px|0px|0px|22px|false|false&#8221; custom_margin_last_edited=&#8221;on|phone&#8221; custom_padding=&#8221;0px|0px|0px|0px|false|false&#8221; custom_padding_tablet=&#8221;|0px||0px|false|false&#8221; custom_padding_phone=&#8221;0px|0px|0px|0px|false|false&#8221; custom_padding_last_edited=&#8221;on|desktop&#8221; 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icon_color=&#8221;#a3a3a3&#8243; quote_icon_color=&#8221;rgba(124,218,36,0.64)&#8221; toggle_text_color=&#8221;#666666&#8243; body_text_color=&#8221;#666666&#8243; border_color_all=&#8221;rgba(0,0,0,0.08)&#8221;][et_pb_accordion_item open=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<ul>\n<li>Switchable Gain: one low and one high. This enables one to match the amplification factor of the Jubilee 300 B amplifier to the efficiency of different loudspeakers (for speaker models over 88 dB sensitivity \u2013 gain Low, or in case the level of the Preamp and the DAC is very high). This allows the volume control of the preamp to be used in the optimum range while also further reducing noise. In principle all loudspeakers with sensitivities as low as 82 dB and greater than 106 dB can thus be perfectly driven.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li>A low-cut filter that relieves the Jubilee 300 B of frequencies below 100 Hz. Of course all functions are switchable. Another option for the Jubilee 300 B (also not retrofittable) is the remote function &#8211; A classic trigger that switches on the power amplifiers (with the pre-amp turned on).<\/li>\n<\/ul>\n<p>[\/et_pb_accordion_item][\/et_pb_accordion][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.5&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; width=&#8221;100%&#8221; min_height_tablet=&#8221;731px&#8221; min_height_phone=&#8221;746px&#8221; min_height_last_edited=&#8221;off|desktop&#8221; custom_margin=&#8221;22px|0px|44px|0px|false|false&#8221; custom_margin_tablet=&#8221;||1px||false|false&#8221; custom_margin_phone=&#8221;||1px||false|false&#8221; custom_margin_last_edited=&#8221;on|tablet&#8221; custom_padding=&#8221;0px|0px|0px|0px|false|false&#8221; module_alignment_tablet=&#8221;&#8221; module_alignment_phone=&#8221;&#8221; module_alignment_last_edited=&#8221;on|phone&#8221; 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b_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22,%22tab_text_color%22%93}&#8221;][et_pb_tab title=&#8221;GENERAL FACTS&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><strong><\/strong><\/p>\n<p><strong>Basic model:<\/strong> Jubilee 300 B<br \/><strong>Options:<\/strong> Remote switching, bi-amping package<br \/><strong>Design:<\/strong> Silver or Black, middle section optionally available in various precious wood veneers<br \/><strong>Tube configuration:<\/strong> 3 x 300 B<br \/><strong>Inputs:<\/strong> 1 x RCA, 1 x XLR<br \/><strong>Dimensions:<\/strong> 240 x 660 x 400 mm (W x H x D)<br \/><strong>Weight:<\/strong> 55.0 kg<br \/><strong>Outputs:<\/strong> 4 and 8 ohms speaker outputs<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;FEATURES&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><strong><\/strong><\/p>\n<p><strong>Eco Mode:<\/strong> Power saving mode<br \/><strong>Power preselection:<\/strong> 3-stage current adjustment, Low, Med, High &#8211; allows adaptation to alternative 300 B tubes<br \/><strong>Bias Control:<\/strong> separate BIAS display for 300 B<br \/><strong>Protection System:<\/strong> Inrush current delay (soft start); Protection circuit for device and output tubes<br \/><strong>Heating system:<\/strong> linear 7 Hz generator<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;SPECIFICATIONS&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><strong><\/strong><\/p>\n<p><strong>Output power:<\/strong> Selectable between 15 and 30 W<br \/><strong>Frequency range:<\/strong> 20 Hz &#8211; 50 kHz \/ -3 dB at full power<br \/><strong>Signal-to-noise Ratio:<\/strong> Gain High &gt; 100 dB; Gain Low &gt; 110 dB<br \/><strong>Gain:<\/strong> Gain High: 30 dB; Gain Low: 19.5 dB<br \/><strong>Input sensitivity:<\/strong> Gain High: 0.5 V; Gain Low: 1.7 V<\/p>\n<p>[\/et_pb_tab][et_pb_tab title=&#8221;REVIEWS&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_tab][et_pb_tab title=&#8221;DOWNLOADS&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<p><strong><\/strong><\/p>\n<p><a href=\"https:\/\/www.octave.de\/fileadmin\/user_upload\/manuals\/ba_jubilee300b_en.pdf\" target=\"_blank\" rel=\"noopener\"><strong>\u2192<span style=\"color: #000000;\"> Owner&#8217;s manual<\/span><\/strong><\/a><\/p>\n<p>[\/et_pb_tab][\/et_pb_tabs][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u55ae\u7aef\u5f0f\u55ae\u8072\u9053\u5f8c\u7d1a Jubilee 300 B\uff0c\u63a1\u7528\u4e86\u9ad8\u7aef\u97f3\u97ff\u9818\u57df\u4e2d\u53ef\u80fd\u662f\u6700\u512a\u79c0\u7684\u653e\u5927\u6280\u8853\uff0c\u4ee5\u5176\u7d55\u5c0d\u73fe\u4ee3\u5316\u4e14\u6beb\u4e0d\u59a5\u5354\u7684\u8a2d\u8a08\u5be6\u73fe\u3002\u5b83\u4e0d\u50c5\u5728\u4e2d\u9ad8\u983b\u6bb5\u5c55\u73fe\u51fa\u60c5\u611f\u8c50\u6c9b\u3001\u6d41\u66a2\u7d30\u81a9\u3001\u9ad8\u89e3\u6790\u5ea6\u3001\u52d5\u614b\u5145\u6c9b\u4e14\u7a7a\u9593\u611f\u7d55\u4f73\u7684\u4e09\u6975\u7ba1\u97f3\u8272\uff0c\u66f4\u9996\u6b21\u5be6\u73fe\u4e86\u5168\u983b\u6bb5\u7684\u5b8c\u6574\u8868\u73fe\u3002<\/p>","protected":false},"featured_media":12005,"template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[211,206,208],"product_tag":[],"class_list":["post-12000","product","type-product","status-publish","has-post-thumbnail","product_cat-o7","product_cat-o1","product_cat-o4","first","instock","shipping-taxable","product-type-simple"],"yoast_head":"<!-- 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