Connections and adjustments
Adjustments:
All adjustments of the Ground Zero SQ-Serie are located under the upper aluminium cover in the middle.
All screws have to be released.
Connections and adjustments
GZUA 4125SQ, GZUA 2125SQ, GZUA 2225SQ Adjustments
GAIN............................. here, the Input Level Sensitivity 250mV - 8V is adjusted
HPF FREQ...................... X-over ( you hear everything from e.g. 20 Hz up)
LPF FREQ........................ X-over (you hear everything till e.g. 200Hz down)
BPF............................... Band-pass filter for a certain area of frequency from-to
(you hear everything from 100 Hz to 2000 Hz)
Q-Factor........................ adjusting the Q of the filter
SUBSONIC..................... F ilter for the lowest, not hearable frequencies
FLAT.............................. switch setting for recording every Frequenc
X1 ................................. switch setting the filter HPF/LPF x1 20 Hz – 400 Hz range
X10................................ switch setting the filter HPF/LPF x10 200 Hz – 4 Khz range
Balanced / Unbalanced Functionality
The Ground Zero SQ Series have the possibility to clear disturbing noises, that creep on the wire to the
amplifier (dynamo-whistling, etc). A especial technology, is used for this.
The optional circuit of the Cinch inputs is symmetric and asymmetric.
Application BAL / UNBAL
All switches are switched symmetricly on „BAL“ in the delivery status. If there are disturbances after the
installation, you can turn the switches to „UNBAL“ to clear the disturbances. If there are still disturbances,please
contact your dealer.
Connections and adjustments
GZUA 4215SQ
GZUA 2225SQ
GZUA 2125SQ
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