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Specications
No sound from
speakers
No sound from
one speaker
Very little bass
and/or imaging
Speaker wire not
connected
Speaker selector on
amplifier is not on
Balance control on receiver
or pre-amp is not centered
Speaker wire not
securely connected
Speakers are wired
out of phase
Make sure wire is connected at
both the speaker and the ampli-
fier observing proper polarity
Activate proper selector on
amplifier
Place balance control in the
center
Check all connections at amplifier
and speakers
Check entire system for proper
polarity and make adjustments as
necessary
Probable Cause:Situation: Solution:
Troubleshooting
Model:
System Type:
Frequency Response:
Sensitivity:
Recommended Power:
Woofers:
Tweeters:
Crossover Frequencies:
Crossover Slope:
Impedance:
Cabinet Material:
Cabinet Finish:
Baffle and Grille:
Baffle Dimensions:
Finished Dimensions:
Weight:
SI-663
In-wall/LCR Dual 2-way Speaker
50Hz-20kHz ±3dB
90dB Main, 88dB Center and
92dB Combined (2.83V @ 1 Meter)
75-200 Watts Main, 75-150 Watts
Center and 75-400 Watts Combined
Three 6½” (165mm) Aluminum Cone
Two 1” (25mm) Silk Dome
3,000Hz
12dB/Octave
6 Ohms Main, 6 Ohms Center and
4 Ohms Combined
Medium Density Fiberboard (MDF)
Black
Baffle Black; Grille Black or White.
Enclosure sold separately.
Baffle: 8” W x 32” H
(203mm W x 812mm H)
14” W x 56” H x 3-1/2” D
(356mm W x 1422mm H x 89mm D)
59 lbs. (26.76 Kg)
SI-663/R
In-wall/LCR Dual 2-way Speaker
50Hz-20kHz ±3dB
90dB Main, 88dB Center and
92dB Combined (2.83V @ 1 Meter)
75-225 Watts Main, 75-175 Watts Center
and 75-450 Watts Combined
Three 6½” (165mm) Reference Aluminum Cone
Two 1” (25mm) Reference Silk Dome
3,000Hz
12dB/Octave
6 Ohms Main, 6 Ohms Center and
4 Ohms Combined
Medium Density Fiberboard (MDF)
Black
Baffle Black; Grille Black or White.
Enclosure sold separately.
Baffle: 8” W x 32” H
(203mm W x 812mm H)
14” W x 56” H x 3-1/2” D
(356mm W x 1422mm H x 89mm D)
61 lbs. (27.67 Kg)