Fender Transformer chart
Model Name Model Power Output Choke Reverb
Bandmaster 6G7A 67233 45217 125C1A *
AA763 125P7D 125A6A 125C1A *
AC568 125P7D 125A6A 125C1A *
Bandmaster Reverb AA270 125P5D 125A6A 125C1A 022921
AA768 125P5D 125A6A 125C1A 022921
AA1069 125P5D 125A6A 125C1A 022921
Bassman
4 x 10 combo's
and Heads		 5F6 8087 45249 14684 *
5F6A 8087 45249 14684 *
6G6 125P5A 125A5A 125C1A *
6G6A 125P7A 125A13A 125C1A *
AA270 125P7D 125A13A 126C1A *
AA864 125P7D 125A13A 126C1A *
AB165 125P7D 125A13A 126C1A *
AC568 125P7D 125A13A 126C1A *
Bassman 70   013897 013897 * *
Bassman 135   013692 013691 * *
Champ AA764 125P1B 125A35A * *
Concert 6G12 67233 45249 125C1A *
AB763 125P7D 125A9A 125C1A *
Deluxe and
Deluxe Reverb		 6G3 125P2A 125A1A * *
AA763 125P23B 125A1A 125C3A 022921
AB868 125P23B 125A1A 125C3A 022921
Harvard 6G10 125P1A 125A2A * *
Princeton and
Princeton
Reverb

 

 5F2A 66079 265 * *
AA1164 125P1B 125A10B * 022921
B1270 125P1B 125A20B * 022921
Pro and
Pro Reverb		 5C5 6516 1846 * *
5D5 6516 1846 * *
5E5A 6516 1846 * *
6G5A 125P7D 125A7A 125C1A *
AB763 125P5D 125A7A 125C1A 022921
AA270 125P5D 125A6A 125C1A 022921
AA1069 125P5D 125A6A 125C1A 022921
Reverb Unit 6G15 68319 * 125C3A 125A12A
6G15 125P24A * 125C3A 125A12A
Showman 6G14 67233 45550 125C1A *
AA763 125P34A 125A30A 125C1A *
Dual Showman AB763 125P34A 125A29A 125C1A *
Super and
Super reverb

 

 6G4 8087 45216 125C1A *
6G4A 125P7A 125A6A 125C1A *
AB563 125P5D 125A9A 125C1A 022921
AA763 125P5D 125A9A 125C1A 022921
AB763 125P5D 125A9A 125C1A 022921
AA270 125P5D 125A9A 125C1A 022921
Tremolux 5G9 8160 108 14684 *
6G9 125P6A 45217 125C1A *
6G9A 125P6A 45217 125C1A *
6G9B 68409 125A6A 125C3A *
AB763 125P26A 125A6A 125C3A 022921
Twin and
Twin Reverb		 5G8A 7993 45268 14684 *
6G8 67233 45548 125C1A *
AB763 125P34A 125A29A 125C1A 022921
AC568 125P34A 125A29A 125C1A 022921
AA769 125P34A 125A29A 125C1A 022921
AA270 125P34A 125A29A 125C1A 022921
Twin Reverb
7591 Tubes		 AB763 125P19A 125A18A 125C1A 022921
Vibrolux and
Vibrolux Reverb

 

 

 

 6G11 125P6A 45217 125C3A *
6G11A 68409 125A7A 125C3A *
AB763 125P26A 125A7A 125C3A 022921
AA965 125P26A 125A6A 125C3A 022921
AB568 125P26A 125A6A 125C3A 022921
Vibroverb 6G16 125P6A 45217 125C1A 022921
AA763 125P5D 125A7A 125C1A 022921
Notes: * denotes no transformer used


Fender transformer number conversion chart

125A1A --> 022640    
125A6A --> 022848 --> 036968
125A7A --> 236968 --> 018343
125A9A --> 022855    
125A10B --> 022913    
125A12A --> 022990    
125A13A --> 022871 --> 018343
125A20A --> 022921    
125A29A --> 022889    
125A30A --> 022897    
125A35A --> 022905    
125C1A --> 022699    
125C3A --> 022707    
125P1B --> 022772    
125P5D --> 022798    
125P6A --> 036486 --> 036483
125P7D --> 022814    
125P23B --> 025130    
125P24A --> 012671    
125P26A --> 022723 --> 036483
125P34A --> 022756