General-Electric-Co-447 电路原理图.pdf

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1、MANUAL OF 19SS MOST-OFTEN-NEEDED RADIO DIAGRAMS GENERALtt ELECTRIC MODELS 446, 447 AND 448 SPECIFICATIONS CABINETS: 446Mahogany, 447Ivory, 448Red DIMENSIONS: 12% x 6 x 6 inches ELECTRICAL 105-120 volts RATING: 50-60 cycles OUTPUT: Undistorted 1 watt Maximum 1.75 watts PHONO: Input jack provided LOUD

2、SPEAKER: 5% in., PM; Voice Coil Impedance 3.2 ohms 400 cycles TUBE Vl Oscillator Converter.12BE6 COMPLEMENT: V2 I-F Amplifier.12BA6 V3 Detector-Audio.12AV6 V4 Audio Power Amplifier.50C5 V5 Rectifier.35W4 11 Dial light.G-E Mazda No. 44 The “radio silencer” switch is used only on the rare occasions wh

3、en located in an unusually strong signal area, where Some background from radio signal reception may be audible when playing records. Normally this interference may be removed by simply detuning the radio away from the interfering frequency. The newest type off-on switch is used on these models. It is combined with the phonograph and radio volume control and allows the receiver to be turned off or on at any desired volume setting. 收音机爱 好者资料库 RadioFans.CN