MACKIE TH-18S - Manual (Page 7)

7
Daisy-chaining two subwoofers
MON MAIN
4 3 2 1 5/6 7/8 9/10 11/12 TH-18s TH-18s
From Mixer
Output
TH-18s
Subwoofer 1
Full-Range
Output
TH-18s
Subwoofer 2
Mixing Console
(Mackie ProFX12 shown)
1 2 3 4
TH-18s TH-18s
TH-18s TH-18s
From Mixer
Left Output
From Mixer
Right Output
TH-18s Left
Subwoofer 1
TH-18s Left
Subwoofer 2
TH-18s Right
Subwoofer 1
TH-18s Right
Subwoofer 2
Left Main
Powered
Loudspeaker
(Mackie SRM450v2
shown)
Right Main
Powered
Loudspeaker
(Mackie SRM450v2
shown)
Mixing Console
(Mackie CFX12mkII shown)
High-Pass
Outputs
Full-Range
Outputs
Straps Straps
Lots ‘o Thump
The left and right line-level outputs from a mixer feed the left and right inputs of the first subwoofer. The
inputs are summed in mono to play in the subwoofer, but this does not affect the full-range or high-pass
outputs, which remain fully stereo. The left and right full-range line-level outputs of this subwoofer feed
the left and right inputs of the second subwoofer. The high-pass outputs or full-range outputs of either
subwoofer could feed the other powered loudspeakers in your system.
The left and right line-level outputs from a mixer feed the inputs of a pair of subwoofers. Their respective
full-range outputs feed the inputs of another pair of subwoofers. The high-pass outputs from the second
set of subwoofers then feed the inputs of a pair of powered loudspeakers.
NOTE: It is highly recommended that you use straps to secure your loudspeakers for stacked scenarios
such as this one. Be sure to loop a strap through each handle going down each side of the cabinet setup,
as shown above.