Sparkos Labs Gemini: Compact hybrid headphone amplifier

A small American company, which became famous for its discrete op-amps, introduced Gemini, a hybrid headphone amplifier. It has two outputs – asymmetrical 6.35 mm and balanced 4-Pin XLR, as well as line inputs and outputs on RCA connectors. Level control – Alps Blue Velvet.

The output stages are based on discrete op-amps of our own design and production SS2590, proprietary voltage regulators are used in the power supply. The circuit is without general feedback and isolation capacitors in signal circuits.

The input stage is based on a 6922 lamp. It is possible to easily replace and select lamps based on sound. Output impedance less than <0.25 ohm, frequency range 10 Hz – 100 kHz. Output power 2 W @ 32 ohms, 750 mW @ 300 ohms, 15 V peak output voltage, 250 mA peak output current, THD – 0.1% – 1.5% depending on settings.

You can read more about the amplifier here. 

Error: Your Requested widget " codewidget-70" is not in the widget list.

• [do_widget_area footer-1]
• [do_widget_area footer-2]
• [do_widget_area footer-3]
• [do_widget_area footer-4]
• [do_widget_area home]
• [do_widget_area home_2nd]
• [do_widget_area page]
• [do_widget_area post_archive]
• [do_widget_area post_archive_2nd]
• [do_widget_area post_single]
• [do_widget_area primary]
  • [do_widget id="codewidget-72"]
  • [do_widget id="bimber_widget_posts-3"]
  • [do_widget id="codewidget-39"]
  • [do_widget id="bimber_widget_posts-2"]
  • [do_widget id="codewidget-73"]
  • [do_widget id="media_image-6"]
• [do_widget_area secondary]
• [do_widget_area widgets_for_shortcodes]
  • [do_widget id="codewidget-74"]
  • [do_widget id="codewidget-71"]
  • [do_widget id="codewidget-70"]
  • [do_widget id="bimber_widget_posts-4"]
  • [do_widget id="codewidget-69"]
  • [do_widget id="codewidget-37"]
  • [do_widget id="codewidget-26"]
  • [do_widget id="codewidget-16"]
  • [do_widget id="search-1"]
  • [do_widget id="nav_menu-8"]
  • [do_widget id="codewidget-66"]
  • [do_widget id="codewidget-54"]
• [do_widget_area wp_inactive_widgets]
  • [do_widget id="bimber_sticky_start_point_widget-2"]
  • [do_widget id="bimber_sticky_start_point_widget-3"]
  • [do_widget id="codewidget-18"]
  • [do_widget id="codewidget-20"]
  • [do_widget id="codewidget-22"]
  • [do_widget id="codewidget-23"]
  • [do_widget id="codewidget-24"]
  • [do_widget id="codewidget-25"]
  • [do_widget id="codewidget-27"]
  • [do_widget id="codewidget-29"]
  • [do_widget id="codewidget-30"]
  • [do_widget id="media_image-5"]
  • [do_widget id="custom_html-5"]
  • [do_widget id="custom_html-6"]
  • [do_widget id="custom_html-4"]
  • [do_widget id="media_image-2"]
  • [do_widget id="codewidget-41"]
  • [do_widget id="codewidget-43"]
  • [do_widget id="codewidget-38"]
  • [do_widget id="codewidget-19"]
  • [do_widget id="codewidget-34"]
  • [do_widget id="codewidget-47"]
  • [do_widget id="codewidget-48"]
  • [do_widget id="codewidget-45"]
  • [do_widget id="meta-1"]
  • [do_widget id="codewidget-46"]
  • [do_widget id="block-21"]
  • [do_widget id="codewidget-50"]
  • [do_widget id="codewidget-53"]
  • [do_widget id="codewidget-56"]
  • [do_widget id="codewidget-57"]
  • [do_widget id="codewidget-52"]
  • [do_widget id="nav_menu-3"]
  • [do_widget id="codewidget-42"]
  • [do_widget id="nav_menu-2"]
  • [do_widget id="codewidget-49"]
  • [do_widget id="codewidget-58"]
  • [do_widget id="codewidget-59"]
  • [do_widget id="codewidget-60"]
  • [do_widget id="nav_menu-4"]
  • [do_widget id="block-24"]
  • [do_widget id="block-25"]
  • [do_widget id="block-22"]
  • [do_widget id="block-23"]
  • [do_widget id="nav_menu-5"]
  • [do_widget id="nav_menu-6"]
  • [do_widget id="nav_menu-7"]
  • [do_widget id="codewidget-55"]
  • [do_widget id="codewidget-61"]
  • [do_widget id="codewidget-62"]
  • [do_widget id="codewidget-65"]
  • [do_widget id="codewidget-67"]
  • [do_widget id="codewidget-68"]

Error: Your Requested widget " codewidget-71" is not in the widget list.

• [do_widget_area footer-1]
• [do_widget_area footer-2]
• [do_widget_area footer-3]
• [do_widget_area footer-4]
• [do_widget_area home]
• [do_widget_area home_2nd]
• [do_widget_area page]
• [do_widget_area post_archive]
• [do_widget_area post_archive_2nd]
• [do_widget_area post_single]
• [do_widget_area primary]
  • [do_widget id="codewidget-72"]
  • [do_widget id="bimber_widget_posts-3"]
  • [do_widget id="codewidget-39"]
  • [do_widget id="bimber_widget_posts-2"]
  • [do_widget id="codewidget-73"]
  • [do_widget id="media_image-6"]
• [do_widget_area secondary]
• [do_widget_area widgets_for_shortcodes]
  • [do_widget id="codewidget-74"]
  • [do_widget id="codewidget-71"]
  • [do_widget id="codewidget-70"]
  • [do_widget id="bimber_widget_posts-4"]
  • [do_widget id="codewidget-69"]
  • [do_widget id="codewidget-37"]
  • [do_widget id="codewidget-26"]
  • [do_widget id="codewidget-16"]
  • [do_widget id="search-1"]
  • [do_widget id="nav_menu-8"]
  • [do_widget id="codewidget-66"]
  • [do_widget id="codewidget-54"]
• [do_widget_area wp_inactive_widgets]
  • [do_widget id="bimber_sticky_start_point_widget-2"]
  • [do_widget id="bimber_sticky_start_point_widget-3"]
  • [do_widget id="codewidget-18"]
  • [do_widget id="codewidget-20"]
  • [do_widget id="codewidget-22"]
  • [do_widget id="codewidget-23"]
  • [do_widget id="codewidget-24"]
  • [do_widget id="codewidget-25"]
  • [do_widget id="codewidget-27"]
  • [do_widget id="codewidget-29"]
  • [do_widget id="codewidget-30"]
  • [do_widget id="media_image-5"]
  • [do_widget id="custom_html-5"]
  • [do_widget id="custom_html-6"]
  • [do_widget id="custom_html-4"]
  • [do_widget id="media_image-2"]
  • [do_widget id="codewidget-41"]
  • [do_widget id="codewidget-43"]
  • [do_widget id="codewidget-38"]
  • [do_widget id="codewidget-19"]
  • [do_widget id="codewidget-34"]
  • [do_widget id="codewidget-47"]
  • [do_widget id="codewidget-48"]
  • [do_widget id="codewidget-45"]
  • [do_widget id="meta-1"]
  • [do_widget id="codewidget-46"]
  • [do_widget id="block-21"]
  • [do_widget id="codewidget-50"]
  • [do_widget id="codewidget-53"]
  • [do_widget id="codewidget-56"]
  • [do_widget id="codewidget-57"]
  • [do_widget id="codewidget-52"]
  • [do_widget id="nav_menu-3"]
  • [do_widget id="codewidget-42"]
  • [do_widget id="nav_menu-2"]
  • [do_widget id="codewidget-49"]
  • [do_widget id="codewidget-58"]
  • [do_widget id="codewidget-59"]
  • [do_widget id="codewidget-60"]
  • [do_widget id="nav_menu-4"]
  • [do_widget id="block-24"]
  • [do_widget id="block-25"]
  • [do_widget id="block-22"]
  • [do_widget id="block-23"]
  • [do_widget id="nav_menu-5"]
  • [do_widget id="nav_menu-6"]
  • [do_widget id="nav_menu-7"]
  • [do_widget id="codewidget-55"]
  • [do_widget id="codewidget-61"]
  • [do_widget id="codewidget-62"]
  • [do_widget id="codewidget-65"]
  • [do_widget id="codewidget-67"]
  • [do_widget id="codewidget-68"]