WRL-150 Speech Amplifier-modulator

Circa 1941
WRL 150 Speech Amp/Modulator
WRL-150:  speech amplifier modulator; Ad:  NOV 40 QST; price
$49.50;  75 watts (capable of modulating 150 watt transmitter);
6SJ7 speech amplifier, 6N7 inverter, four 6L6G's modulator, 83
rectifier.
 
 

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