VACUUM TUBE PINOUTS - bustedgear.com

1 1 VACUUM TUBE pinout SHEETSINDEXPIN DIAGRAM:4 CINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1 Filament2d2 - Plate3d1 - Plate4 FilamentPAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSFULL-WAVE RECTIFIERTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNELECTRODEPINPIN DIAGRAM:5 AINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1 Heater2 Plate3 Grid4 Cathode5 HeaterPAGE FOR MULTI-UNIT tubes : b = Beam Power Unit.

2 D = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSMEDIUM-MU TRIODETERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:5 BQINDEXAMPLIFIER MAKE:MODEL:HALF-WAVE RECTIFIERSERIAL NO:a:b:c:d:e:f:1NC2NC3 Heater4 Heater5 Plate6 Heater Tap7 CathodePAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit.

3 T = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:5 DAINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1IC2 Heater4d2 - Plate6d1 - Plate8 Heater, CathodePAGE / GZ34 SUBSCRIPTS FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSFULL-WAVE RECTIFIERTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized).

4 HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:5 TINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1NC2 FilamentNC or OMITTED4d2 - PlateNC or OMITTED6d1 - PlateNC or OMITTED8 FilamentPAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etc5V3A/5AU45U4 GBVOLTAGE READINGSFULL-WAVE RECTIFIERTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection).

5 IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:6 ADINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1NC or OMITTED2 Heater3 Heater Tap - Panel Lamp5 Plate7 Heater8 CathodePAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSHALF-WAVE RECTIFIERTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection.

6 S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:6 BGINDEXAMPLIFIER MAKE:MODEL:POWER TRIODESERIAL NO:a:b:c:d:e:f:1 Plate2IC3 Heater4 Heater5 Plate6 Grid7 CathodePAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:6 FINDEXAMPLIFIER MAKE:MODEL:SHARP-CUTOFF PENTODESERIAL NO:a:b:c:d:e:f:1 Heater2 Plate3 Screen Grid4 Suppressor Grid5 Cathode, IS6 HeatercapControl GridPAGE FOR MULTI-UNIT tubes : b = Beam Power Unit.

7 D = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etcVOLTAGE READINGSTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:7 ACINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1S or NC or OMITTED2 Heater3 Plate4 Screen Grid5 Control Grid7 Heater8 Cathode, Suppressor GridPAGE 10 WIRING SIDE OF SOCKET IS SHOWN6V6, 6V6 GTAKT66 BEAM POWER TUBE6L6, FOR MULTI-UNIT tubes : b = Beam Power Unit.

8 D = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etc5881, 50L6 VOLTAGE READINGSTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal DIAGRAM:7 BKINDEXAMPLIFIER MAKE:MODEL:SHARP-CUTOFF PENTODESERIAL NO:a:b:c:d:e:f:1 Control Grid2 Suppressor Grid, IS3 Heater4 Heater5 Plate6 Screen Grid7 CathodePAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit.

9 Tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etc6AU612AU6 VOLTAGE READINGSTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection). IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal SIDE OF SOCKET IS SHOWNPINELECTRODEPIN DIAGRAM:7 BZINDEXAMPLIFIER MAKE:MODEL:SERIAL NO:a:b:c:d:e:f:1 Control Grid2 Cathode, Suppressor Grid3 Heater4 Heater5 Plate6 Screen Grid7 Control GridPAGE 126005/6AQ5 WWIRING SIDE OF SOCKET IS SHOWN6669/6AQ5A, 6095 VOLTAGE READINGS6AQ5, 6HG5, 6HR5 PINELECTRODETERMINAL ABBREVIATIONS: H = Heater End (Unpolarized). HM = Heater Tap. IC = Do Not Use (Internal Connection).

10 IS = Internal Shield (Electrostatic). K = Cathode. NC = No Internal Connection. S = Metal FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etc5AQ5, 12AQ5 BEAM POWER DIAGRAM:7 CVINDEXAMPLIFIER MAKE:MODEL:POWER PENTODESERIAL NO:a:b:c:d:e:f:1 Cathode, Suppressor Grid2 Control Grid3 Heater4 Heater5 Control Grid6 Screen Grid7 PlatePAGE FOR MULTI-UNIT tubes : b = Beam Power Unit. d = Diode Unit. hp = Heptode Unit. hx = Hexode Unit. p = Pentode Unit. t = Triode Unit. tr = Tetrode Unit. 1, 2, 3, etc. = No. 1, No. 2, No. 3, etc12FX5 VOLTAGE READINGSTERMINAL ABBREVIATIONS: H = Heater End (Unpolarized).