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the necessary data to calculate the proper box and port
size. We have also provided the dealer with several opti-
mum enclosure dimensions.
Connection
Speaker Cable
Speaker cable is not supplied with these subwoofers. We
strongly recommend using a high quality speaker cable to
connect your subwoofers to the amplifier. Your
Sound-
stream dealer has a variety of high quality speaker cables;
ask for their recommendation.
The Soundstream Reference Series Subwoofers have been
supplied with premium connection terminals. These termi-
nals do not require any type of wire fitting.
CAUTION: Before connecting speaker to the woofers,
be sure that the system’s power if off!
Proper Phasing
When connecting the speaker cable to the subwoofer, be
sure the positive terminal of the amplifier is connected to the
positive terminal of the speaker, and the negative terminal
of the amplifier is connected to the negative terminal of the
speaker.
The terminals of your subwoofers are Red for positive (+)
and Black for negative. Speaker cable is typically coded by
color or by markings on the jacket.
If you have any questions as to whether your subwoofer is
in phase, verify by ear. The correct polarity produces the
most bass; incorrect polarity produces a strangely dislo-
cated sound image on mono material. A positive (+) DC
voltage applied to the positive (+) terminal will produce a
forward excursion of the cone.
Crossover Points
If you are using these speakers as a subwoofer, you will
want the crossover point to be set at
100 HZ of less.
If you
are using them as a woofer, set the crossover point at 1000
Hz
or less. The optimum crossover frequency choices
depend on three factors: the slope of your crossover
network, enclosures used for
your subwoofers, and the
acoustics of your car. because of interior dimensions, most
automobiles have a strong resonance in the 100 Hz-200 Hz
mid-bass region, which causes the
boomy,
muddy bass
typical of many installations. Therefore, we suggest you use
an electric crossover with the ability to stagger the high and
low bass frequencies
such as the Soundstream
SXl
,
DXl
,
or
DX3.
By spacing crossover points (that is, placing the low fre-
quency crossover point at a lower frequency than the high
frequency crossover point), you can create a dip in the
output response of the system that will compensate for the
peak caused by the resonance. Flat response is the ultimate
result. (If the low and high frequency crossover points were
set at the same frequency, the system output might be flat
but the audible result would be a severe peak.) With opti-
mum crossover settings utilized, equalization is often
unnecessary. (The fewer links in the audio chain, the
better.)
Service
Your Soundstream subwoofer is protected by a limited
warranty. Please read the warranty statement supplied with
this manual.
Should any problems occur, contact your dealer, or you
may contact Soundstream directly at (800) 999-l 350
(Monday-Friday
8:30am-5:OOpm
Pacific Time).
DO NOT send your subwoofer to Soundstream without
first obtaining a return authorization number.
This will
facilitate repairs and will allow us to return your unit in the
shortest possible time.
Specifications
SSlO
ss12 ss15
Recommended maximum
power handling, program (watts)
250
300
1000
Sensitivity,
dB
SPL
(1 meter/l watt)
92.0
93.0
98.0
Nominal Impedance (ohms)
4
4
8
Frequency Response (Hz)
30-l
000 26-1000
30-l
000
Woofer size
1 0”
12”
1 5”
Maximum mounting depth
3-718” 4-314” 6-314”
Free air resonance (Hz)
33
32
35
Mounting cutout
9”
11”
14”
Approximate weight (Ibs)
11.5
13.0
22..0
Mounting height
5/w
518”
l/4”
Design and specifications subject to change without notice
SOUNDSTREAM@
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