Mixed Operation Sw18 And Sw28 - ProAudio SW18 User Manual

[2] Mixed operation SW18 and SW28:

Under acoustical, mechanical and visual aspects the SW18 is fully
compatible to the SW28 subwoofer. Both subwoofers may be combined in
any desired configurations and setup variants. Likewise cardioid sub arrays
(CSA) are possible in a mix mode with SW18 / SW28.
The minimum impedance is 2 ohms on the DELTA14.4-DSP system amplifier
and 4 ohms on the DELTA8.4-DSP system amplifier.
DELTA8.4-DSP / DELTA14.4-DSP SW18
Both subwoofers are wired using 4-pole speaker cables.
On the DELTA8.4-DSP system amplifier two amplifier channels will be
assigned.
On the DELTA14.4-DSP system amplifier one amplifier channel may be
assigned and pin pair 1 is still free for tops.
DELTA8.4-DSP / DELTA14.4-DSP SW18
All three subwoofers are wired using 4-pole speaker cables.
On the DELTA8.4-DSP system amplifier two amplifier channels will be
assigned.
On the DELTA14.4-DSP system amplifier one amplifier channel may be
assigned and pin pair 1 is still free for tops.
DELTA8.4-DSP / DELTA14.4-DSP SW18
Three subwoofers per side are wired using 4-pole speaker cables.
On the DELTA8.4-DSP system amplifier four amplifier channels will be
assigned.
On the DELTA14.4-DSP system amplifier two amplifier channels may be
assigned and pin pair 1 is still free for tops.
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