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CONNECTIONS/WIRING
Connecting the SIGMA Series to your system is easy. The input panel includes parallel Speakon connectors. Run
your speaker wires from your amplifier to the speaker - you can use either input connector. Use the correct gauge
of stranded insulated speaker cable according to the power handling ability of your SIGMA Series cabinet. It is
always advisable to use heavier gauge (lower number) cables on longer runs. Be sure to connect your speakers in
proper polarity (what many refer to erroneously, as phase).This means that in normal operation, connect one end
of the same wire to the + or Red terminal on the amplifier and the other end to the +1 on the NL4 Connector. The
other wire is connected to the-1 pin on the NL4 CONNECTOR. Be sure to use high quality, low gauge (thick) speaker
wire and NOT shielded cable.
SIGMA SERIES CONNECTION PANELS
The SIGMA Series loudspeakers feature parallel wire inputs. Either input can be used for a simple system and 2
speakers can be parallel wired using a standard speaker cable. When Parallel wiring loudspeakers always take in
consideration the load you are putting on your amplifier. 2 parallel wired SIGMA loudspeakers will produce a 4
ohm load.
SIGMA-15
POWER HANDLING:
350 Watts Continuous
700 Watts Program
1400 Watts Peak
Impedance: 8 Ohms
SIGMA-8/10/12/15 Rear Pannel
IMPORTANT NOTE
To avoid any possible damage to your amp and speakers, be sure to check the owner's manual of your power
amplifier to confirm it is capable of operating at 2 ohms. The SIGMA 18B has a High Pass output. The high pass
allows you to connect a full range SIGMA loudspeaker and subwoofer to one amplifier channel with 4 ohm load
SIGMA-18B
POWER HANDLING:
500 Watts Continuous
1000 Watts Program
2000 Watts Peak
Impedance: 4 Ohms
SIGMA-18B Rear Pannel
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