dynamoelectric amplifier generator

dynamoelectric amplifier generator

[¦dī·nə‚mō·i′lek·trik ′am·plə‚fī·ər ‚jen·ə‚rād·ər]
(electricity)
A generator that serves as a power amplifier at low frequencies or direct current; the input signal is applied to the stationary field to change the excitation, and the amplified output is taken from the rotating armature.