Turner_1970_catalog1 - Preservation Sound

Base Station CommunicationsTurner base station com-nunications nicrophonesare standard equipment in thousandsof installations. The base stationoperator may choose between traditionalcrystal or ceranic interiors, or ceramicinieriors with a transistorized pre-ampliiier.Each model is housed in a sturdy die-castcase, with touch-to-talk switch actuator anda lock-lever for longer transmissions.The transistorized +2 and +3 modelsare particularly appealing to many basestation operalors. ln both models, the adjusiableoutput level makes the microphoneuniversally efficient with a wide variety oltransceivers. Both are wired to functionwith either relay-operated or electronicswitchingsets*a slide switch in the baseof the microphone permits easy selection.The adjustable volume control allows theoperator to speak into the microphone ata greater distance from ihe unit, and provjdesthe capabilityto boost the signal froma fading set. The +3 model adds a compressionamplifier circuit which assuresyou that, with the volume control properlyset, you can vary the distance from themicrophone by a ratio of 6 to 1 and stillmaintain 100 percent modulaiion at alltines, wit.out overr].odulalion -nax imu"nperformance and full modulation are guaranieedby this lvodu-Gard@ feature.Each +2 and +3 unit js packaged withan informative booklet which provides completeinstallation instructions for a largevariety of transceiver models.MODEL +3MODEL 454XMODEL +2MODEL 254Xf.MODEL 754C12