1800 CATV Audio Loudness/Video Level Test Set
The Dorrough Model 1800 CATV Audio Loudness/Video Level Test Set is an easy-to-use instrument, specially designed for quick, dynamic comparisons of video and audio levels from a wide variety NTSC sources. Using two 40-segment, LED displays, the Model 1800 simultaneously displays sync-level, average-luminance, peak-luminance, audio loudness and peak modulation. A built-in "all-channel" demodulator allows direct connection to RF sources
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Dorrough Electronics
5221 Collier Place
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