9/29/09 C-1
APPENDIX
C
Technical Specifications
The specifications contained in this chapter are subject to
change without notice. Please refer to calibration and test
results for data on a specific unit.
NOTE: Where possible, tests were
performed electrically using an ADP005
microphone adapter (18 pF).
These specifications are valid for all System 824’s using the
following options:
• PRM902 preamplifier
• 377B41 (or 377A60) free-field (or random) high sensi-
tivity microphone
• 2540 (or 2559) free-field (or random) normal sensitivity
microphones
Standards Met:
• ANSI S1.4 - 1985 Type 1
• IEC 61672-1 Class 1 (tested with 377B41 microphone
only)
• IEC 60651 - 1979 Type 1
• IEC 60804 - 1985 Type 1
• IEC 60651 - 1993 Type 1
• IEC 60804 - 1993 Type 1
• IEC 61260 - 1994 Class 1