Sonance THINLINETM - Manual (Page 6)

6
SONANCE THINLINE™ TL and SSTR
Stereo (2-Channel)
• Place the left and right speakers anywhere from 6 feet to 10 feet apart, with the main listening position as close to midway between the speakers as
possible.
• The speakers should be at least 2 feet away from the side walls.
• The main listening position should be between 4 and 10 feet away from the speakers.
• In most cases pivoting the tweeter of each speaker directly towards the main listening position will help maximize the stereo soundstage.
Use the left and right speaker placement in
Figures 3 and 4 as a guide.
SELECTING THE PROPER SPEAKER WIRE
For the best sound we recommend that you use premium Sonance
MediaLinQ ® speaker cable, which also complies with UL fire rating codes.
You may also experiment with audiophile brands of speaker cable and
interconnects, but be sure to check local codes governing wire that may
be installed within walls or ceilings. Different brands of wire can have
different sonic characteristics, and some may be more compatible with the
sonic “signature” of your various audio system components.
For the best sound you should never use thin-gauge speaker wire – it will
constrict the sound and diminish bass response. Extra resistance in the
speaker wire can make a speaker sound less dynamic and reduce
definition of the bass frequencies. In extreme cases, it can even attenuate
high frequencies. Also, amplifier power is wasted in thin wire with extra
resistance, reducing your system’s maximum output level. To prevent
degrading sound quality, the total wire resistance should be less than 10%
of the speaker’s impedance. This means that for an 8-ohm speaker, the
total resistance of the wire should be less than 0.8 ohms. Refer to Figure 5 when selecting the proper wire gauge for your system.
PREPARING THE INSTALLATION LOCATION
Building a Back Box into the Ceiling Bay
Sonance ThinLine speakers are designed to provide exceptionally musical performance in a wide variety of enclosure volumes. You can get the very best
performance from your speakers by partitioning a section of the ceiling bay to form a sealed back box with a specific internal volume. Building such an
enclosure will create a dramatic improvement in your speakers’ bass performance and power handling.
Ideal back box volume requirements:
ThinLine TL623
R
: 1.5 ft 3 ThinLine TL621
R
: 1.0 ft 3
ThinLine TL622 R : 1.2 ft 3 ThinLine TL623 SSTR : 1.5 ft 3
Wire resistance in Ohms vs. length of cable run
Distance in Feet 50' 100' 150' 200' 250' 300'
1.04
.65
.41
.26
.16
.10
18 gauge
16 gauge
14 gauge
12 gauge
10 gauge
20 gauge 2.07
1.30
.82
.52
.32
.20
3.11
1.96
1.22
.77
.49
.31
4.14
2.61
1.63
1.03
.65
.41
5.18
3.26
2.04
1.29
.81
.51
6.22
3.91
2.45
1.55
.97
.61
F i g u r e 5 : S p e a k e r W i r e R e s i s t a n c e T a b l e