– 18 –
– 19 –
4. zBP-1Pro coNTroLLINg
wIDE knob
The WIDE knob adjusts the width of the frequency band, that will be processed and restored.
swEEP knob
The SWEEP knob allows you to pick the center frequency between of 27 Hz – 63 Hz where you
want the ZBP-1PRO bass restoration circuit to maximize its effect.
Dash Remote control
The Subsonic Filter Control: The Subsonic filter set with frequencies selections from 35Hz–80Hz.
For most loudspeaker systems, a setting of 35Hz is recommenced. If you have smaller speakers,
i.e. no dedicated subwoofer channel and/or want to protect your speakers from being overdriven
at high playback levels, you should try a higher subsonic corner frequency.
Bass Level control
To increase or decrease the overall bass volume.
1. For most systems you can leave the jumper in the UNBALANCED position. But if the ground
runs seperately, then choose the "BALANCED" position.
2. The higher you choose the output voltage, the bigger your speaker system should be. 2.5 V is
recommended for small speaker like 6.25". 7.5 V is recommended for 12" woofers.
3. If you have any noise in your system, then try one of the three positions.
setting
Amplifier Input Voltage
Minimum speaker size
1. 2.5 V
<3 V
6.5" speaker
2. 5 V
<5 V
10" speaker
3. 7.5 V
<7.5 V
12" speaker
4. 10 V
<10 V
for bigger speakers
2
1
3
ZBP-1PRO Manual D+E.indd 18
21.08.2007 9:40:34 Uhr
