This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of Su Luo. This standard applies to Su Luo, a brass-bodied sounding instrument. QB/T 2175.4-1995 Su Luo QB/T2175.4-1995 Standard download decompression password: www.bzxz.net

Light Industry Industry Standard of the People's Republic of China
Subject Content and Scope of Application
QB/T 2175. 4--1995
This standard specifies the product classification, technical requirements, test methods, inspection rules and marking, packaging, transportation, storage, etc. of Su Luo. This standard applies to Su Luo, a type of bronze-bodied sounding instrument. Reference Standards
General Technical Requirements for Bronze-bodied Sounding Instruments
GB/T 2175.1［
3 Product Classification
3.1 Su Luo is divided into treble Su Luo, alto Su Luo and bass Su Luo. 3.2 The specifications of Su Luo shall comply with the provisions of Table 1. Table 1bzxZ.net
Shangyin Su Luo
Middle Su Luo
Bass Su Luo
4 Technical requirements
Basic dimensions
Outer diameter, mm
The main tone characteristics and decay time shall comply with the provisions of Table 2. 4.1
High-pitched Su Luo
Middle Su Luo
Bass Su Luo
Main tone characteristics
Limit deviation
Play the deng sound, the pronunciation is loud
Play the gong sound, the pronunciation is loud
4.2 Appearance quality and other technical requirements shall comply with the provisions of QB/T2175.1. 5
Test method
Should comply with the provisions of QB/T2175.1.
6 Inspection rules
Should comply with the provisions of QB/T2175.1.
Approved by China Light Industry General Association on October 24, 1995
Mass, kg
0.75~~0.95
0.90~1.05
0.95~1.15
Decay time, s
Implemented on 1996-D6-01
Marking, packaging, transportation, storage
Should comply with the provisions of QB/T2175.1
Additional instructions:
QB/T2175.4—1995
This standard is proposed by the Quality Standards Department of China Light Industry General Association. This standard is under the jurisdiction of the National Musical Instrument Standardization Center. This standard is drafted by the National Brass Musical Instrument Technical Cooperation Group. From the date of implementation of this standard, the professional standard ZBY58002.4-—1989 "Su Luo" issued by the former Ministry of Light Industry will be invalidated. 175
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