
23
Strain Clamp
Sleeve
Tip
Ring
Sleeve=Ground/Screen
Ring=Return Signal
Tip=Send Signal
Use for Insert Points
1/4" Stereo (TRS) Jack Plug
2=Hot(+)
3=Cold(-)
1=Ground/Screen
(seen from soldering side)
Use for Balanced Mic Inputs
(For unbalanced use, connect pin 1 to 3)
3-pin XLR Male Plug
2=Hot(+)
3=Cold(-)
1=Ground/Screen
Use for Main output
(For unbalanced use, leave pin 3 unconnected)
3-pin XLR Line Socket
(seen from soldering side)
1
2
3
1
2
3
6.2 Main Speaker Connections
1+
2+
1-
2-
Please use only the power connectors to make connections with other signal source equipment for the passive speaker
cabinets. The power connector has four terminals: 1+, 1-, 2+, 2-.
Your PBM8.250/500 features three modes for connecting the main speakers. The speaker impedance requirement
varies depending on how you connect the speaker. In order to avoid damaging your built-in amplifier, please pay
more attention to the impedance of speaker. Lower load impedances are not permitted. The further details, you
can refer to the mark on rear panel.
Speakon connector
STEREO MODE:
250 W @ 4 OHM
190 W @ 8 OHM
(4 OHM MIN. LOAD)
BRIDGE MODE:
500 W @ 8 OHM
(8 OHM MIN. LOAD)
CLASS 2 WIRING MAY BE USED
STEREO MODE:
500 W @ 4 OHM
300 W @ 8 OHM
(4 OHM MIN. LOAD)
BRIDGE MODE:
1000 W @ 8 OHM
(8 OHM MIN. LOAD)
CLASS 2 WIRING MAY BE USED
PBM8.250
PBM8.500