{"type_number":"6AV5","canonical_url":"https://tubeofile.com/tubes/6AV5","manufacturer":"General Electric","tube_type_key":"beam_tetrode","tube_type_display_name":"Beam Tetrode","base_name":"IO","description":"Beam pentode designed for TV horizontal-deflection amplifier applications. High perveance, high plate current at low plate and screen voltages, and a high ratio of plate to screen current.","is_directly_heated":false,"completeness":"medium","notes":["Rated for horizontal-deflection service in 525-line, 30-frame TV systems; duty cycle of voltage pulse must not exceed 15% of one scanning cycle.","In stages operating with grid-leak bias, an adequate cathode-bias resistor or other suitable means is required to protect the tube in absence of excitation (Pa_max note).","Uses 6-pin octal shell (RETMA 6CK basing — B6-112 or B6-120); pins 4 and 6 are absent. Physical socket is standard octal.","12AV5-GA, 17AV5-GA, and 25AV5-GA are identical except for heater ratings (12.6V/0.6A, 16.8V/0.45A, 25V/0.3A respectively) and are not pin-for-pin equivalents in series-heater chains.","Peak positive pulse plate voltage of 5500V is an absolute maximum; combined supply variation, manufacturing variation, and control adjustments must not exceed this.","Triode-strapped data (mu=4.3) from GE datasheet ET-T902A: screen tied to plate at Eb=Ec2=150V, Ec1=-22.5V.","Output power and load resistance not specified — tube is rated for deflection service, not audio output.","Pout and rl not applicable for this deflection-service tube."],"references":["https://frank.pocnet.net/sheets/093/6/6AV5GA.pdf","https://www.radiomuseum.org/tubes/tube_6av5.html"],"source_urls":{"r_type":null,"tdsl":"https://tdsl.duncanamps.com/show.php?des=6AV5","radiomuseum":"https://www.radiomuseum.org/tubes/tube_6av5.html"},"raw_equivalents":["6AV5GT","6AV5GA"],"equivalents":[],"similar":[],"pins":[{"pin_number":"1","function":"Control Grid (Grid 1)","function_code":"g1","notes":null},{"pin_number":"2","function":"Heater","function_code":"h","notes":null},{"pin_number":"3","function":"Cathode and Beam Plates","function_code":"k","notes":null},{"pin_number":"4","function":"No Connection (absent)","function_code":"nc","notes":null},{"pin_number":"5","function":"Plate (Anode)","function_code":"a","notes":null},{"pin_number":"6","function":"No Connection (absent)","function_code":"nc","notes":null},{"pin_number":"7","function":"Heater","function_code":"h","notes":null},{"pin_number":"8","function":"Screen Grid (Grid 2)","function_code":"g2","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":"1.2","numeric_value":"1.2","unit":"A","param_group":"heater"}],"sections":[{"section_number":1,"section_label":"Beam Pentode","tube_type_key":"beam_tetrode","specs":[{"key":"Va_max","display_name":"Anode Voltage (max)","value":"550","numeric_value":"550","unit":"V","param_group":"absolute_max"},{"key":"Va_peak_max","display_name":"Peak Anode Voltage (max)","value":"5500","numeric_value":"5500","unit":"V","param_group":"absolute_max"},{"key":"Vg2_max","display_name":"Screen Voltage (max)","value":"175","numeric_value":"175","unit":"V","param_group":"absolute_max"},{"key":"Pa_max","display_name":"Anode Dissipation (max)","value":"11","numeric_value":"11","unit":"W","param_group":"absolute_max"},{"key":"Pg2_max","display_name":"Screen Dissipation (max)","value":"2.5","numeric_value":"2.5","unit":"W","param_group":"absolute_max"},{"key":"Ik_max","display_name":"Cathode Current (max)","value":"110","numeric_value":"110","unit":"mA","param_group":"absolute_max"},{"key":"Vhk_max","display_name":"Heater-to-Cathode Voltage (max)","value":"200","numeric_value":"200","unit":"V","param_group":"absolute_max"},{"key":"Rg_max","display_name":"Max Grid Resistor","value":"0.47","numeric_value":"0.47","unit":"MΩ","param_group":"absolute_max"},{"key":"Va","display_name":"Anode Voltage (typical)","value":"250","numeric_value":"250","unit":"V","param_group":"typical_operating"},{"key":"Vg","display_name":"Grid 1 Bias Voltage","value":"-22.5","numeric_value":"-22.5","unit":"V","param_group":"typical_operating"},{"key":"Vg2","display_name":"Screen Voltage","value":"150","numeric_value":"150","unit":"V","param_group":"typical_operating"},{"key":"mAa","display_name":"Anode Current","value":"57","numeric_value":"57","unit":"mA","param_group":"typical_operating"},{"key":"mAg2","display_name":"Screen Current","value":"2.1","numeric_value":"2.1","unit":"mA","param_group":"typical_operating"},{"key":"ra","display_name":"Anode Resistance","value":"14500","numeric_value":"14500","unit":"Ω","param_group":"typical_operating"},{"key":"gm","display_name":"Transconductance","value":"5.9","numeric_value":"5.9","unit":"mA/V","param_group":"typical_operating"},{"key":"Cgp","display_name":"Grid-to-Plate Capacitance","value":"0.5","numeric_value":"0.5","unit":"pF","param_group":"capacitances"},{"key":"Cin","display_name":"Input Capacitance","value":"14","numeric_value":"14","unit":"pF","param_group":"capacitances"},{"key":"Cout","display_name":"Output Capacitance","value":"7.0","numeric_value":"7","unit":"pF","param_group":"capacitances"}]},{"section_number":2,"section_label":"Triode Strapped","tube_type_key":"small_signal_triode","specs":[{"key":"Va","display_name":"Anode Voltage (typical)","value":"150","numeric_value":"150","unit":"V","param_group":"typical_operating"},{"key":"Vg","display_name":"Grid 1 Bias Voltage","value":"-22.5","numeric_value":"-22.5","unit":"V","param_group":"typical_operating"},{"key":"gm","display_name":"Transconductance","value":"5.9","numeric_value":"5.9","unit":"mA/V","param_group":"typical_operating"},{"key":"mu","display_name":"Amplification Factor (μ)","value":"4.3","numeric_value":"4.3","unit":"—","param_group":"typical_operating"}]}],"synced_at":"2026-04-07T12:16:42.899Z"}