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Page 34
I MEG +270V iiiiiiiiniKiiiitiirttTTTimiimiiiiMiMTni Circuit diagram of a vacuum- tube
voltmeter for use in making frequency runs. low 300 cycles Is for the purpose of
correcting the diminished amplitude of cut at the low frequencies, and the ...
I MEG +270V iiiiiiiiniKiiiitiirttTTTimiimiiiiMiMTni Circuit diagram of a vacuum- tube
voltmeter for use in making frequency runs. low 300 cycles Is for the purpose of
correcting the diminished amplitude of cut at the low frequencies, and the ...
Page 35
16 and 17, which were taken with two pickups of radically different designs, and
yet both curves show a deep depression at exactly 1,500 cycles. Effect of Tone
Arm The tone arm also plays a very important part in the performance of the
pickup ...
16 and 17, which were taken with two pickups of radically different designs, and
yet both curves show a deep depression at exactly 1,500 cycles. Effect of Tone
Arm The tone arm also plays a very important part in the performance of the
pickup ...
Page 30
Is half-wave, these values would be 60,120 and 240 cycles. Reference to Figs. 2
and 3 illustrates two filter structures with their respective attenuation
characteristics. The filter circuit structure in Fig. 2 will be found identical to the
systems now in ...
Is half-wave, these values would be 60,120 and 240 cycles. Reference to Figs. 2
and 3 illustrates two filter structures with their respective attenuation
characteristics. The filter circuit structure in Fig. 2 will be found identical to the
systems now in ...
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Contents
James R Cameron | 4 |
The Projectionists New Role By F A Jewell | 13 |
Speech Interpretation in Auditoriums By E C Wente | 19 |
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absorption acoustical amplifier anode apparatus attenuation audience auditorium broadcasting camera cathode circuit coil color Company condenser curve cycles decibels designed device diaphragm disc effect electrical energy engineers fader filament film filter frequency grid groove impedance inches industry input installation lamp lens light loudspeaker machine magnetic manufacturers mechanical ment metal meter method microphone mixer motion picture motor mounted necessary needle noise obtained ohms operation output panel phonograph photoelectric cell pickup plate possible problem production projection projectionist projector quency radio ratio RCA Photophone rectifier reproducing resistance reverberation screen shaft shown in Fig sound film sound pictures sound record sound reproduction sound track sound-on-film speaker speed stage standard studio synchronized talkies talking pictures television theatre tion tone transformer transmission transmitter ture turntable unit vacuum tube vibrations voltage volts volume control wave Western Electric wire