Journal of the Society of Motion Picture and Television Engineers (1950-1954)

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0.002 0.005 0.01 0.02 0.05 0.1 0.2 0.5 1 Power Output in Watts 10 20 30 Fig. 4. Amplifier total harmonic distortion versus power output (frequency range 100 cycle /sec to 5000 cycle /sec). + 10 248 50 100 200 500 1,000 2,000 Frequency in Cycles per Second 5,000 10,000 20,000 Fig. 5. Amplifier tone control characteristics. -t-IU -1-5 0 r5 -10 -15 -20 2 ectiv e N -Uppe 1 r Limit \ ji _ / ^ • — ^ v, Blower L mit D 50 100 200 500 1,000 2,000 5,000 10,000 20,0 Frequency in Cycles per Second Fig. 6. Amplifier frequency response design limits. March 1952 Journal of the SMPTE Vol. 58