Ground Zero GZPA Reference 2 SYM Anleitung Seite 11

1 Speaker terminals
Power terminals
2
3 Status indication
4 RCA inputs
5 Input level controller
6 Bias Setting
7 Bypass switch
Highpass controller *
8
(Subsonic)
9 Lowpass controller *
10 Phase shift controller
11 Remote control input
* To adjust a bandpass filter, lowpass and highpass must be switched on.
Controls and function
For connection of the speakers
GND -> Ground connection
REM -> Remote in
BATT -> +12 Volt
WHITE – OK
RED – Error
Terminal for connection of the RCA wires.
To avoid failure, please use high quality RCA wires like for example the
Ground Zero GZCC Reference RCA cable.
With this controller you can adjust the input sensitivity.
Adjusting the Bias from Class AB to nearly Class A
( Details on page 10)
The BYPASS allows to switch off all the potentiometers and switches (except
BIAS and Level) that can affect the sound quality
Switch on the filter and adjust the variable HPF crossover frequency.
X1: 20 – 400 Hz
X10: 200 – 4000 Hz
Switch on the filter and adjust the variable LPF crossover frequency.
X1: 20 – 400 Hz
X10: 200 – 4000 Hz
In case the switch is in ON-position, the controller allows you to adjust the
phase of the speaker output from 0 – 180°. The lowpass filter must be
switched on to activate the phase shift.
For connection of the bass remote control. The lowpass filter must be
switched on to activate the remote control.
11