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6

SF 8CT SUB Subwoofer • Setup Guide (Continued)

Wiring Multiple Speakers in Parallel

When a chain of speakers is wired this way, disconnecting 
one speaker does not remove power from the remaining 
speakers in the chain.

Number of Wires per 
Connection Point

Maximum
Wire Gauge

1                   12 AWG
2                   16 AWG
4                   18 AWG

Wire Gauge Table

Speaker 1

Speaker 2

IN

––

LOOP

––

IN

++

LOOP

++

(Black)

(Red)

(Red)

(Red)

(Black)

(Black)

Power Amplifier

Speaker 1

Speaker 2

(Black)

(Red)

(Red)

(Black)

Power Amplifier

(Black)

(Red)

Speaker 1

(Red)

(Black)

Power Amplifier

IN

––

LOOP

––

IN

++

LOOP

++

IN

––

LOOP

––

IN

++

LOOP

++

IN

––

LOOP

––

IN

++

LOOP

++

IN

––

LOOP

––

IN

++

LOOP

++

Wiring Multiple Speakers Using Loop-through

 

When a chain of speakers is wired this way, disconnecting 
one speaker removes power from all downstream speakers.

Wiring a Single Speaker

1

2

3

Figure 7. 

Speaker Wiring Schemes

ATTENTION:

 

• 

Do not tin the wire leads before installing into the connector. Tinned wires are not as secure in the connector 
and could be pulled out.

• 

Ne pas étamer les conducteurs avant de les insérer dans le connecteur. Les câbles étamés ne sont pas aussi 
bien fixés dans le connecteur et pourraient être retirés.

• 

When connecting multiple speakers in 8-ohm mode, be sure that the combined rated impedance does not equal a 
value less than the minimum rated impedance of the amplifier. 

• 

Lors de la connexion de plusieurs enceintes en mode 8 ohm, assurez vous que le niveau d’impédance combinée ne 
soit pas équivalent à une valeur inférieure à l’impédance minimum de l’amplificateur.

Summary of Contents for SF 8CT SUB

Page 1: ...nstallation doit tre effectu e par des installateurs hautement qualifi s conform ment l ensemble des codes et des normes de s curit r glementaires sur le lieu de l installation The legal requirements...

Page 2: ...rked in step 3b d Using the provided cutout template trace a circle around the cutout template e Cut out the circle traced on the ceiling tile f Replace the tile in the ceiling 4 Attach two V rails an...

Page 3: ...e hole to be cut in the ceiling as described below a Mark the location on the ceiling where the center of the speaker will be placed b Position the center hole of the cutout template directly over the...

Page 4: ...of up to 1 5 inches 3 81 cm in thickness For ceiling tiles thicker than 1 5 inches the locking arm inserts must be removed To remove the inserts a Using a screwdriver rotate the locking arm so that t...

Page 5: ...t using conduit Route the speaker wires through the cable clamp If using conduit Remove the cable clamp and install the conduit into the plate opening Secure the conduit to the plate with the locking...

Page 6: ...speakers is wired this way disconnecting one speaker removes power from all downstream speakers Wiring a Single Speaker 1 2 3 Figure 7 Speaker Wiring Schemes ATTENTION Do not tin the wire leads befor...

Page 7: ...r Using a cable clamp on the access plate Figure 8 Using a cable clamp Using a conduit adapter on the access plate Flexible Conduit Adapter Figure 9 Using a conduit adapter 7 Replace the access plate...

Page 8: ...figure 9 Figure 10 Clamping the speaker to the C ring Tightening the locking arms into rigid material For rigid material use the Opti TorqueTM indicator ring as a tightening guide NOTE Each of the fou...

Page 9: ...ond souple serrez les bras de verrouillage pour s curiser l enceinte en veillant cependant ce que l unit ne cause l alt ration de la surface de montage plane du plafond comme illustr ci dessous X 3 Co...

Page 10: ...entation de l amplificateur When connecting multiple speakers in 8 ohm mode be sure that the combined rated impedance does not equal a value less than the minimum rated impedance of the amplifier Lors...

Page 11: ...ust the LF Selector Switch LPF 120 Hz OFF Figure 14 Setting the LPF selector switch 7 Install the grille Position the grille so that it covers the baffle of the speaker Six small magnets secure the gr...

Page 12: ...ecure points within the solid and permanent building structure Figure 16 Connecting a secondary support line 1 With the wires out of the way insert the speaker through the bottom of the hole in the ce...

Page 13: ...driver see figure 19 ATTENTION When setting the taps for a distributed high impedance system do not tap the system above the rated power of the amplifier Lors de la mise en place des capteurs pour un...

Page 14: ...ate setting using a small screwdriver The default position is LPF enabled Disable the LPF if filtering is set on a device upstream of the speaker The LPF is fixed at 120 Hz Adjust the LF Selector Swit...

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