This test record is suitable for determining the tracking ability, channel separation, channel balance, pickup output and channel orientation of mono and stereo playback equipment. GB/T 3320.2-1982 Tracking ability, channel separation test record GB/T3320.2-1982 standard download decompression password: www.bzxz.net
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National Standard of the People's Republic of China GB/T3320.2—1982 Tracking ability and channel separation test record1982-12-24Promulgated National Bureau of Standards Implementation on 1983-10-01 1 Purpose National Standard of the People's Republic of China Tracking abilityand channel separationtest recordUDC681.854:681 GB/T3320.2—1982 This test record is suitable for determining the tracking ability, channel separation, channel balance, pickup output and channel orientation of mono and stereo playback equipment. 2 Dimensions 2.1 Nominal diameter:wwW.bzxz.Net 2.2 Center hole diameter: 3 Recording content The recorded content of this record is as follows Modulation method Left + right Left + right Left + right Left (L) Right (R) Right (R) Left (L) Left + right Left (L) Right (R) Left + right Root mean square value (cm/s) Published by National Bureau of Standards on December 24, 1982||t t||(dB) (Hz) 300 mm 7.24+809 mm Duration Scope of application Determination of maximum tracking ability Determination of channel separation Determination of channel balance, pickup head output (sensitivity) and channel orientation Determination of channel balance, pickup head output (sensitivity) and channel orientation Reference level for testing the signal-to-noise ratio of records Implemented on October 1, 1983 4 Performance requirements 4.1 Frequency error <0.3%. 4.2 Channel separation>30 dB. 5 Application GB/T3320.2—1982 Refer to the provisions of GB2354—1980 "Electric Record Disc". 6 Marking This record core is made with reference to the following Figures 1 and 2. at hunel spparatioe GB 3920.2—82 circulation capacity, channel separation test piece test+, 10 buildings test method safety register GH2351-81 production unit additional instructions: GB/T3320.2—1982 qpatakion GE3320.2-82 This standard was proposed by the Ministry of Radio and Television. Tracking ability, channel separation Test record Test rate, 100 standard Reference method GB2354#0 This standard was drafted by China Record Factory. (sTQ33 Production unit Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.