Pocket magnifier
๐
Article
๐
1952
๐
Elsevier Science
๐
English
โ 88 KB
High Power Audio Amplifier.-A new variable-frequency audio amplifier (type FG 5/10) capable of delivering either 5 or 10 kw. output power is available from the Westinghouse Electric Corporation. This power amplifier will take a signal of about 10 milliwatts from any conventional 30 to 10,000 cps. s