Quest Engineering OB-100

43
Figure 27. Typical OB-300 Filter Response
XVI.
SPECIFICAT
IONS
Stand
ards:
ANSI
S1.11
-1986
,
Order
3,
Type
2,
Sub-t
ype C
and
IEC
R225-
1966.
Center Frequencies: (1/3 Mode) 33 frequencies from 12.5 Hz to 20 kHz.
(1/1 Mode) 11 frequencies from 16 Hz to 16 kHz.
Frequency Selection: Full manual control or automatic sequential
stepping through each frequency.
Power Source: Sound Level Meter.
Size: 3.3 x 4.2 x 1.8 inches (84 x 107 x 47mm)
Weight: 9 ounces (255 grams)
44
Figure 28. Block Diagram of Model OB-300