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Decibels and Volume Units
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ac load line acoustic amplitude appears attenuator audio system Avmid Bode plot break-point bridged-T bridging bridging loss build-out resistors capacitance capacitor channels combination components computed cone configuration connected constant resistance decibels designed diagram distortion dividing network electrical electronic mixers equal equation equivalent circuit Example fader Figure frequency region frequency response half-power points high frequency identical indicated input impedance input signal insertion loss kc/s kilohms load impedance loudspeaker low frequency matching pad mechanical meter microphone mid-range obtain ohms operation output impedance output level overall pad loss pedance plate or collector playback potentiometer power amplifiers preamplifier Q point ratio RC-coupled reactance recording reduced resistive mixer resistor resonant series mixer shown in Fig shunt mixer source and load source impedance speaker studio Substituting switch tape terminals tion transformer transistor transistor amplifier tweeter vacuum tube voice coil volts volume unit waveform woofer