Title :
A miniature high-gain audio amplifier
Author_Institution :
RCA Victor Television Div., Camden, N.J.
Abstract :
A three-stage miniature transistor amplifier is described which is built into the space behind the cone of a 2-3/4-inch diameter loudspeaker. It has a power gain of 90 decibels.
Keywords :
Batteries; Circuits; Electron tubes; Humidity; Loudspeakers; Product design; Resistors; Temperature sensors; Voltage;
Journal_Title :
Audio, Transactions of the IRE Professional Group on
DOI :
10.1109/T-SP.1954.28268
