JL Audio Fathom IWS Installation Manual Download Page 17

Page 17

 | Fathom 

IWS

Installing the Subwoofer and Grille

Reach into the enclosure’s opening 

and locate the two speaker leads. 

Each lead is held in place by an elastic 

band 

(Figures 32 & 33) 

to hold the 

wires out of the way when mounting 

the subwoofer. These elastic bands 

should not be removed. Position the 

woofer with the JL Audio logo upright 

and connect each speaker lead to 

its respective terminal. 

(Figures 34) 

The holes on the subwoofer’s frame 

should line up with the holes in the 

grille’s inner metal sleeve. 

(Figure 35) 

Using the eight screws supplied with 

the subwoofer, mount the subwoofer 

through the grille’s inner metal sleeve 

and into the enclosure.  

(Figure 36)

Once the system has been 

calibrated (see below), the metal 

mesh grille may be installed. Insert 

the painted metal mesh grille into 

the grille’s frame, making sure the 

notches in the metal mesh line up 

with the screws that hold the grille in 

place. 

(Figure 37-38) 

Calibrating the Amplifier

To facilitate calibration of the 

Fathom IWS amplifier with your 

listening room, the Fathom IWS 

enclosure includes front-mounted 

speaker terminals (standard 

banana jacks). These terminals 

(Figure 39)

 will allow the user to 

temporarily connect the amplifier 

to the enclosure for calibration, 

even if the enclosure is permanently 

installed in the wall cavity. Refer 

to the Owner’s Manual included 

with your amplifier for detailed 

installation instructions and A.R.O. 

calibration of your IWS system. 

This completes the installation of the 

Fathom IWS enclosure.

Figure 32

Figure 33

Figure 34

Figure 35

Figure 36

Figure 37

Figure 39

Figure 38

A.R.O. Calibration Jacks

Summary of Contents for Fathom IWS

Page 1: ...Enclosure Installation Manual...

Page 2: ...Fathom IWS Page 2 NOTES...

Page 3: ...place candles nearby 6 Object or Liquid Entry Care should be taken so that objects do not fall into and liquids are not spilled onto the enclosure subwoofer or grille Do not expose to dripping or spla...

Page 4: ...after installation we strongly recommend reading these instructions completely before beginning the installation process Please note these instructions are for the installation of one 1 IWS enclosure...

Page 5: ...construction and the B box is designed for 2 x 6 stud construction Enclosure Type Enclosure Dimensions A Box 70 inches x 13 75 inches x 2 9 inches 1778 mm x 349 mm x 74 mm B Box 55 inches x 13 75 inch...

Page 6: ...osure itself This unique mounting method allows the enclosure to essentially float within the wall cavity without transferring vibrations to the wall itself A plastic paint guard is included to protec...

Page 7: ...verify that you have the correct amplifier for your application System One 1kW Amplifier Amplifier Model Amplifier SKU 120V 60Hz Amplifier SKU 240V 50Hz Enclosure Type Enclosure SKU Actual Stud Width...

Page 8: ...racket assembly with centering template 1 2 Hanging rod 11 25 inches for A box or 26 25 inches for B box 1 2 8 1 25 inch wafer head screws 50 100 Wire cable ties 3 6 Energy absorbing foam gasket strip...

Page 9: ...OX WHAT S IN THE BOX THE B BOX Enclosure x1 Go Gauge x1 Mounting Bracket x1 Foam Gasket x1 Hanging Rod x1 Cable Ties 3 Pack of Screws x1 Enclosure x1 Go Gauge x1 Mounting Bracket x1 Foam Gasket x1 Han...

Page 10: ...n 377 8 mm The studs on either side of the wall cavity must be straight plumb and parallel without any twisting or bowing If your stud bay has any obstructions wiring conduits cross members etc you ll...

Page 11: ...e wooden cross member and mark the wall header above to drill a hole for routing your speaker cable into the wall cavity Figure 1 2 To route the speaker cable through either adjacent stud bay With the...

Page 12: ...he slotted openings completely and install the two remaining screws below to hold in place Figure 7 With the mounting bracket centered slide each steel L bracket until the foam padding is firmly press...

Page 13: ...he mounting bracket s socket Figure 13 Inspect the space clearances between the enclosure s sides and the studs The gap along the entire length of the enclosure should be equal on both sides If the ga...

Page 14: ...gh the previously drilled holes Figures 18 19 in the wooden cross member or through an adjacent stud Remove the outer jacketing to expose the individual wires Figures 20 21 Although the hanging rod is...

Page 15: ...inches 0 125 in 3 2 mm Use joint compound to fill in any spaces greater than 1 8 inches 0 125 in 3 2 mm To remove the wallboard template remove all twelve screws 4 inner and 8 outer from the wallboard...

Page 16: ...by inserting it into the opening Make sure the mounting holes along the left and right sides of the grille tray are aligned with both stud faces The grille s outer frame should be level and make cont...

Page 17: ...see below the metal mesh grille may be installed Insert the painted metal mesh grille into the grille s frame making sure the notches in the metal mesh line up with the screws that hold the grille in...

Page 18: ...Fathom IWS Page 18 NOTES...

Page 19: ...Page 19 Fathom IWS NOTES...

Page 20: ...Enclosures Driver s 13 5 in nominal diameter 13 5 in nominal diameter in each of two enclosures Frequency Response anechoic 26 Hz 101 Hz 1 5 dB 3dB at 25 Hz 112 Hz 10dB at 22 Hz 150 Hz Effective Pisto...

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