Radiotron Designer's HandbookFritz Langford-Smith |
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amplifier amplitude applied approximately attenuation Audio Eng bass boosting bass resonant C₁ calculated capacitance cathode bias cathode follower Chapter characteristics coil condenser cone constant coupling curve cut-off db/octave decibels effect electrode factor filter frequency range frequency response grid bias grid current groove harmonic distortion high frequency impedance inch increased inductance inductor input voltage intermodulation distortion leakage inductance limited load resistance loadline loudspeaker low frequencies maximum measured megohm method microphone mutual conductance negative feedback noise normal ohms operation output voltage peak pentode phase angle pickup plate current plate resistance plate voltage power output pre-amplifier primary Proc push-pull R₁ R₂ Radio ratio reactance recording References resistor resonant frequency screen voltage secondary Sect SECTION shown in Fig shunt signal slope stage stylus tone control total harmonic distortion transconductance transformer triode V₁ valve vector voice coil volts winding zero