lOB Specifications
Selectable
frequencies
lOB Standard		 70 Hz. 100 Hz. 140 Hz.
200 Hz. 300 Hz. 450 Hz, 700 Hz, 1 kHz, 
1.4 kHz, 2kHz. 3 kHz. 4.5 kHz
Selectable frequencies* 
lOB sub		 40 Hz, 50 Hz, 60 Hz, 70 Hz,
80 Hz, 90 Hz. 100 Hz.
200 Hz. 250 Hz. 300 Hz.
400 Hz. 500 Hz
Slope 6/12/18 dB per Oct
S/N ratio -90dB
Distortion 0.005% 
Normal input level 1 volt
Input
impedance		 20k ohms, unbalanced
- k ohms, balanced
Output
Impedance		 100 ohms
Features Stereo 2-way
Monaural 3-way
Stereo 2-way summed
low pass
Balanced or unbalanced**

Independent high and low 
pass frequency selection

±5dB of gain on high
pass section

Internal adjustments
for up to ±10dB
Dimensions 17 x 1.75 x 10 inches
48.25 x 4.44 x 25.4 cm wt: 12 lbs. 5.5 kg

*-Custom frequencies available upon request

**-Balanced includes - Gold plated XLR inputs and
outputs

Special order switchable mono-2 way option for up to 36dB/Oct. is available

19" rack mount ears available