AS 3657.1-1989

Acoustics - Expression of the subjective magnitude of sound or noise - Pure tones, equal-loudness contours

Standards Australia, 12/31/1988

Publisher: AS

File Format: PDF

$17.00$34.46

Description

Published:31/12/1988

Pages:8

File Size:1 file , 76 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies the relations existing, for the condition of equal-loudness level, between the sound pressure levels and frequencies of pure (sinusoidal) continuous tones in the different conditions. The relations are expressed by means of an equation in bilinear form, for the preferred frequencies in the one-third octave series from 20 Hz to 12 500 Hz inclusive. It is based on ISO 226:1987.

More AS standard pdf

UL Subject 62841-1

Electric Motor-Operated Hand-Held Tools, Transportable Tools And Lawn And Garden Machinery - Safety - Part 1: General Requirements (CSDS Proposal, 11/6/2015)

$102.00 $204.62

UL Subject 61496-2

Standard for Electro-Sensitive Protective Equipment, Part 2: Particular Requirements for Equipment Using Active Opto-Electronic Protective Devices (AOPDs) (CSDS Proposal, 11/6/2015)

$126.00 $252.00

UL Subject 651A

Schedule 40 and 80 High Density Polyethylene (HDPE) Conduit (CSDS Proposal, 10/14/2016)

$146.00 $292.30

UL Subject 891A

Subject 891A (Bulletin, 10/14/2016)

$126.00 $253.90