Fbt symbol 12000 User Manual - page 6
BRIDGE
OUTPUTS
4 OHM MIN.
STEREO
PARALLEL BRIDGE (CH1)
GND LIFT
ON
ON
OFF
Symbol
18000
LINE PROTECT
12
A
M
P
230 V
5
11] Bridge output
Mono output with Speakon connector. To connect a loudspeaker to both amplifier circuits in BRIDGE mode. The loudspeaker (or array of
loudspeakers connected in series/parallel) must have minimum impedance of 4 ohms and power handling
of at least 3000W (Symbol 12000) or 4800W (Symbol 18000).
12] Stereo-Parallel-Bridge
Three-position mode selector :STEREO-PARALLEL- BRIDGE (refer to Operating Modes chapter). Use this
selector only when the amplifier is powered off.
13] GND LIFT
Switch for electrical isolation of the ground circuit from the earth circuit; this function can be used to
eliminate hum caused by ground loops.
14] Mains cable
Cable with plug for connection to the electrical mains supply (230V).
15] Line protect
Thermal cut-out to disconnect the power supply in the event of excess current absorpotion. To restore normal
operation of the amplifier press the LINE PROTECT button.
CONTROLS DESCRIPTIONS