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Audio with tube gear
Audio with tube gear
Tubes: Technical data
Table of essential data for some triode-strapped pentodes and beam power tubes
Measured myself:
3E29/829B/QQE04-60/YL1060 twin pentode, both sections in parallel, as triode
5B/254M beam power tube at Eg2 = 200V
6AC7 pentode as triode
6AC7 pentode at Eg2 = 80V
6AC7 pentode at Eg2 = 100V
6AG7 pentode as triode
6AG7 pentode at Eg2 = 100V
6SJ7 small signal pentode at Eg2 = 150V (coarse plot)
6SL7 small signal dual triode
6SN7 small signal dual triode
6V6 beam power tube as triode
6V6 beam power tube with 25% UL at Eg2 = 250V
7C7 pentode as triode
7C7 pentode at Eg2 = 100V
7L7 pentode as triode
7L7 pentode at Eg2 = 80V
7L7 pentode at Eg2 = 120V
12E1 beam power tetrode at Eg2 = 100V
E2b, E2c, E2e Post-Weitverkehrsröhre at Eg2 = 100V
E2b, E2c, E2e Post-Weitverkehrsröhre at Eg2 = 200V
E2b, E2c, E2e Post-Weitverkehrsröhre as triode
E2b, E2c, E2e Post-Weitverkehrsröhre with 20% UL at Eg2 = 200V
ECC804 small signal dual triode
ECC812 small signal dual triode
ECC812 small signal dual triode Ia-Ug curves
ECF80/6BL8/PCF80/9A8 pentode section as triode
ECF82/6U8A/PCF82/9U8A pentode section as triode
ECF802/6JW8/PCF802/9JW8 pentode section as triode
ECL80/6AB8 pentode section as triode
ECL82/6BM8, PCL82/16A8 pentode section as triode
ECL82/6BM8, PCL82/16A8 pentode with 30% UL at Eg2 = 170V
ECL82/6BM8, PCL82/16A8 pentode with 20% UL at Eg2 = 200V
ECL82/6BM8, PCL82/16A8 pentode with 30% UL at Eg2 = 200V
ECL82/6BM8, PCL82/16A8 pentode with 20% UL at Eg2 = 230V
ECL83 pentode section as triode
ECL84/6DQ8/6DX8/6Phi4Pi, PCL84/15DQ8 pentode section as triode
ECL85/6GV8, PCL85/PCL805/18GV8 pentode section as triode
ECL85/6GV8, PCL85/PCL805/18GV8 pentode section as triode PP example operation points
ECL85/6GV8, PCL85/PCL805/18GV8 pentode section at Eg2 = 100V
ECL86/6GW8, PCL86/14GW8 pentode section as triode
ECL86/6GW8, PCL86/14GW8 pentode with 20% UL at Eg2 = 230V
EF80/6BX6 pentode as triode
EF80/6BX6 pentode at Eg2 = 225V
EF86/6267, PF86/4HR8 pentode at low anode and screen voltage (as per Mullard 3-3 circuit)
EF91/6AM6 pentode as triode
EF95/6AK5 pentode at Eg2 = 80V
EF184/6EJ7 pentode as triode
EF184/6EJ7 pentode at low anode and screen voltage (overview)
EF184/6EJ7 pentode at low anode and screen voltage (detail)
EL36/6CM5, PL36/25E5 pentode as triode
EL36/6CM5, PL36/25E5 pentode as triode, extended range
EL36/6CM5, PL36/25E5 pentode, screen driven, G1 prebiased at -15V
EL36/6CM5, PL36/25E5 pentode, screen driven, G1 prebiased at -20V
EL36/6CM5, PL36/25E5 pentode, screen driven, G1 prebiased at -25V
EL38/6CN6 pentode as triode
EL38/6CN6 pentode at Eg2 = 200V
EL38/6CN6 pentode at Eg2 = 250V
EL508/6KW6, PL508/17KW6 beam power tube as triode
EL509/6KG6, PL509/40KG6 beam power tube as triode
EL509/6KG6, PL509/40KG6 beam power tube with Vg2=90V
EL509/6KG6, PL509/40KG6 beam power tube, screen driven, G1 prebiased at -33V
EL82/6DY5, PL82/16A5 pentode as triode
EL83 / PL83 / 6CK6 / 15A6 / N309 pentode at Eg2 = 125V
EL83 / PL83 / 6CK6 / 15A6 / N309 pentode at Eg2 = 150V
EL83 / PL83 / 6CK6 / 15A6 / N309 pentode with 30% UL at Eg2 = 250V
EL84 / 6BQ5 pentode with 40% UL at Eg2 = 300V
EL86/6CW5, PL84/15CW5 pentode as triode
EL86/6CW5, PL84/15CW5 pentode with 30% UL at Eg2 = 170V
EL86/6CW5, PL84/15CW5 pentode with 30% UL at Eg2 = 200V
EL95/6DL5, PL95 pentode as triode
RS1003 pentode as triode
VR21 DHT Anode characteristics curves
VR21 DHT Ia-Ug curves
Excerpts from manufacturer data sheets:
6550 / KT88 beam power tetrode as triode (from General Electric datasheet)
6L6 beam power tetrode as triode (from STC datasheet)
6SJ7 pentode as triode (from General Electric datasheet)
EF86/6267 pentode as triode (from Philips datasheet)
EF94/6AU6 pentode as triode (from General Electric datasheet)
EL34/6CA7 pentode as triode (from Mullard datasheet)
EL84/6BQ5 pentode as triode (from STC datasheet)
EL504/PL504 pentode as triode (from Valvo datasheet)
D3a/7721 pentode as triode (from Philips datasheet)
QE06/50, 807 beam power tetrode as triode (from STC datasheet)
Miscellaneous:
My TUBECAD1.INI (about 30 tube types added)