Casella CEL CEL-296 - Manual (Page 57)

7. SPECIFICATION
Filter bands:
12 Octave filter bands according to IEC 225 and
ANSI S1.11-1966 (R1975) Class II (best class),
36 Third octave filter bands according to IEC 225 Class II and
ANSI S1.11-1966 (R1975) Class III (best class).
Dynamic range:
75 dB, with 25 dB shift between Hi and Lo ranges.
Nominal octave band centre frequencies:
8 Hz
125 Hz
2 kHz 16 Hz
250 Hz
4 kHz 31.5 Hz
500 Hz
8 kHz 63 Hz
1 kHz
16 kHz
Nominal third octave band centre frequencies:
6.3 Hz 8 Hz 10 Hz 12.5 Hz
16 Hz 20 Hz 25 Hz 31.5 Hz
40 Hz 50 Hz 63 Hz 80 Hz
100 Hz 125 Hz 160 Hz 200 Hz
250 Hz 315 Hz 400 Hz 500 Hz
630 Hz 800 Hz 1 kHz 1.25 kHz
1.6 kHz 2 kHz 2.5 kHz 3.15 kHz
4 kHz 5 kHz 6.3 kHz 8 kHz
10 kHz 12.5 kHz 16 kHz 20 kHz
Attenuation at centre frequency:
0 ±0.5dB.
CEL Instruments Ltd CEL-296/3 Operator Handbook Page 57