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Instruction Manual
Installing the Speaker Assembly into the Frame
Once the frame is mounted in the wall, the speaker assembly simply fits
into the frame as shown.
Use the included screws to attach the enclosure to the mounting frame.
Front Panel Controls
Low-Pass Control
The IWTS-28 SUB has a front-mounted control that
selects or bypasses the speaker’s built-in low-pass
corossover. Leave this in the off position when using the
28 SUB with an outboard amplifier and your receiver’s
low-pass crossover.
IR Knockout
There’s an IR “knockout” plug in the upper right corner
of the baffle. If you are using a multi-room control sys-
tem, you can install a standard IR receiver in the knock-
out hole.
Should you have any questions or problems please feel free to contact us at
781-762-6300 or through our web site, www.atlantictechnology.com.
Specifications
Specifications
IWTS-28 SUB
Overall Dimensions (W x H x D) 12
5
⁄16 x 21
5
⁄8 x 3
7
⁄8" (312 x 547 x 100mm)
Cut-out Dimensions (W x H) 11
1
⁄8 x 20
3
⁄8” (283 x 518mm)
Drivers/Design Dual 8” (203mm) long-throw, 40mm voice coils
Frequency Response 38-200 Hz +/- 3dB, passive response
Recommended Amplifier Power 30-200 Watts RMS
Low-pass Filter Frequency 200 Hz
Sensitivity 89dB
Impedance Each individual woofer 8 ohm; paralleled 4 ohms
Required Grille/frame assembly GFR-626
Specifications are those in effect at the time of printing. Atlantic Technology reserves the right
to change specifications or appearance at any time without notice.