GB/T 3320.2-1982 Tracking ability, channel separation test record

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

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:
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)
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
spparatioe
GB 3920.2—82
circulation capacity, channel separation
test piece
test+, 10 buildings
test method safety register
GH2351-81bzxz.net
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
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