Unpainted horizontal steel end bells for US EI-87 (7/8") lamination.
Microphone or line level unbalanced to unbalanced with three primary impedance taps and three secondary impedance taps.
Power transformer for a 120V, 60Hz. line to 125V at 40mA and 6.3V at 2A.
1H at 200mA DC choke.
10W, open framed push-pull tube output transformer for 10K Ohms to a specified output.
1:37 ratio ribbon microphone matching transformer.
Line level matching transformer.