About This Manual .............................................................. i
Notational Conventions ....................................................... i
Notes, Cautions, and Warnings ............................................ i
Chapter 1
Introduction
Test Instruments vs. Toys ................................................. 1-1
ANSI Filter Design .......................................................... 1-2
Applications ..................................................................... 1-3
Accessory Information ..................................................... 1-3
Chapter 2
SA-3051/SA-3052 Front and Rear Panel Features
Front Panel ....................................................................... 2-1
Rear Panel ........................................................................ 2-4
Chapter 3
Operation
Quick-Start Information ................................................... 3-1
Using The SA-3051/SA-3052's Functions ....................... 3-1
Storing a Response Curve ................................................ 3-1
Recalling a Response Curve ............................................ 3-1
Averaging Several Readings ............................................ 3-2
Peak-Hold ........................................................................ 3-2
Peak-Hold Digital SPL ..................................................... 3-2
Exercising Your Options .................................................. 3-2
Printer Operation .............................................................. 3-2
Printers Supported ............................................................ 3-2
Connector Pin Designations ............................................. 3-4
Battery Operation ............................................................. 3-4
A and C Weighted Measurements .................................... 3-5
Getting extreme at 175dB SPL ........................................ 3-6
Chapter 4
Acoustical Testing with the SA-3051/SA-3052
Overview .......................................................................... 4-1
Basic Procedure ............................................................... 4-2
Body Effects ..................................................................... 4-3
Sound Pressure Level and Hearing Loss ......................... 4-3
Chapter 5
SA-3051/SA-3052 Applications
Sound System Equalization ............................................. 5-1
Hi-Fi Equalization ............................................................ 5-1
Multi-Channel/THX Equalization ................................... 5-2
Sound System Equalization ............................................. 5-4
Monitor Speaker Equalization ......................................... 5-4
Fold Back Monitor Equalization ...................................... 5-5
Feedback tuning ............................................................... 5-5
Pink noise equalization and feedback tuning ................... 5-5
Component Checkout ....................................................... 5-6
Tape Machine Alignment ................................................. 5-8
Sound and Music Monitoring .......................................... 5-8
Crossover Testing ............................................................. 5-9
Chapter 6
Theory of Operation
Input Circuitry ................................................................. 6-1
One-Third Octave Filters ................................................. 6-1
Signal Multiplexing and Analog to Digital Conversion .. 6-1
Microprocessor Circuitry ................................................. 6-2
LED Display .................................................................... 6-2
Pink Noise Generator ....................................................... 6-2
Chapter 7
Warranty
Legalese .......................................................................... 7-1
Service Information ......................................................... 7-2
Chapter 8
Specifications
Table of Contents