{"type_number":"6P6S","canonical_url":"https://tubeofile.com/tubes/6P6S","manufacturer":null,"tube_type_key":"beam_tetrode","tube_type_display_name":"Beam Tetrode","base_name":"Octal","description":"Soviet beam power tetrode (6П6С in Cyrillic). Direct equivalent of the Western 6V6GT. Octal base, designed for audio output service. Widely produced in the USSR for radio receivers and amplifiers.","is_directly_heated":false,"completeness":"high","notes":["6П6С (6P6S) is the Cyrillic designation. The Latin transliteration is 6P6S.","Russian equivalents reference confirms this as the Soviet equivalent of the 6V6GT.","Same Octal base and pinout as 6V6GT — widely used as a direct substitute in Western amplifiers.","Some production lots may exhibit slightly different parameter spreads compared to Western 6V6GT production.","Pin 1 is no connection on glass types; pin 8 is cathode and beam-forming plates."],"references":["https://frank.pocnet.net/sheets/084/6/6P6S.pdf","https://tdsl.duncanamps.com/show.php?des=6V6"],"source_urls":{"r_type":null,"tdsl":"https://tdsl.duncanamps.com/show.php?des=6V6","radiomuseum":"https://www.radiomuseum.org/tubes/tube_6p6s.html"},"raw_equivalents":["6V6GT"],"equivalents":[],"similar":[{"type_number":"6AQ5","reason":"Electrically similar beam tetrode but miniature B7G base — not pin-compatible","has_detail_page":true},{"type_number":"6V6","reason":"Metal-envelope version of the same tube type — same Octal base and electricals","has_detail_page":true},{"type_number":"7C5","reason":"Electrically identical to 6V6 but Loctal base — not compatible with Octal sockets","has_detail_page":true}],"pins":[{"pin_number":"1","function":"No Connection","function_code":"nc","notes":null},{"pin_number":"2","function":"Heater","function_code":"h","notes":null},{"pin_number":"3","function":"Anode (Plate)","function_code":"a","notes":null},{"pin_number":"4","function":"Screen Grid (g2)","function_code":"g2","notes":null},{"pin_number":"5","function":"Control Grid (g1)","function_code":"g1","notes":null},{"pin_number":"6","function":"No Connection","function_code":"nc","notes":null},{"pin_number":"7","function":"Heater","function_code":"h","notes":null},{"pin_number":"8","function":"Cathode & Beam-Forming Plates","function_code":"k","notes":null}],"specs":[{"key":"Vh","display_name":"Heater Voltage","value":"6.3","numeric_value":"6.3","unit":"V","param_group":"heater"},{"key":"Ah","display_name":"Heater Current","value":"0.45","numeric_value":"0.45","unit":"A","param_group":"heater"}],"sections":[{"section_number":1,"section_label":"Beam Tetrode","tube_type_key":"beam_tetrode","specs":[{"key":"Va_max","display_name":"Anode Voltage (max)","value":"315","numeric_value":"315","unit":"V","param_group":"absolute_max"},{"key":"Vs_max","display_name":"Screen Voltage (max)","value":"315","numeric_value":"315","unit":"V","param_group":"absolute_max"},{"key":"Pa_max","display_name":"Anode Dissipation (max)","value":"13.2","numeric_value":"13.2","unit":"W","param_group":"absolute_max"},{"key":"Ps_max","display_name":"Screen Dissipation (max)","value":"2.0","numeric_value":"2","unit":"W","param_group":"absolute_max"},{"key":"Ik_max","display_name":"Cathode Current (max)","value":"52","numeric_value":"52","unit":"mA","param_group":"absolute_max"},{"key":"Va","display_name":"Anode Voltage (typical)","value":"250","numeric_value":"250","unit":"V","param_group":"typical_operating"},{"key":"Vs","display_name":"Screen Voltage (typical)","value":"250","numeric_value":"250","unit":"V","param_group":"typical_operating"},{"key":"Vg","display_name":"Grid 1 Bias Voltage","value":"-12.5","numeric_value":"-12.5","unit":"V","param_group":"typical_operating"},{"key":"mAa","display_name":"Anode Current","value":"45","numeric_value":"45","unit":"mA","param_group":"typical_operating"},{"key":"mAs","display_name":"Screen Current","value":"4.5","numeric_value":"4.5","unit":"mA","param_group":"typical_operating"},{"key":"ra","display_name":"Anode Resistance","value":"52000","numeric_value":"52000","unit":"Ω","param_group":"typical_operating"},{"key":"gm","display_name":"Transconductance","value":"4.1","numeric_value":"4.1","unit":"mA/V","param_group":"typical_operating"},{"key":"Pout","display_name":"Output Power","value":"4.5","numeric_value":"4.5","unit":"W","param_group":"output"},{"key":"rl","display_name":"Load Impedance","value":"5000","numeric_value":"5000","unit":"Ω","param_group":"output"}]}],"synced_at":"2026-04-07T12:28:08.334Z"}