Radio Shack PRO-CSW800 User Manual
PRO-CSW800 8" Car Subwoofer
11 × 11 × 9
Inches (HWD)
.50 Cubic Feet (.47 net)
A (2) — 11
×
11" (one with 7
16
diameter cutout)
B (2) — 11
×
9
HW
C (2) — 9
×
9
HW
F3: 63 Hz
Ripple: 0 dB
Excursion Limited Power Handling: 79 Watts
11 × 11 × 14
Inches (HWD)
.75 Cubic Feet (.70 net)
A (2) — 11
×
11" (one with 7
16
diameter cutout)
B (2)
11
×
14
HW (one with 2
diameter cutout)
C (2)
9
×
14
HW
F3: 46Hz
Ripple: 1.3 dB
Excursion Limited Power Handling: 96 Watts
Tuning Frequency: 37 Hz
Cat. No.
40-1017
Your RadioShack PRO-CSW 800 8" Car Subwoofer lets
you increase the bass response of your vehicle’s sound
system. When mounted inside an enclosure, your subwoofer’s high-output, low-distortion design prov id es qual ity bass sound reproduction. T he sub woofer’s long-travel
voice coil lets it handle high input power with ease.
To connect the subwoofer to your stereo amplifier’s
Note:
wires, you need 2 banana plugs such as Cat. No. 278306 (not supplied).
CHOOSING AN ENCLOSURE
ENCLOSURE SIZES
After you choose an enclosure type for your subwoofer,
for the best results, build the enclosure to the dimensions
recommended in this section.
Acoustic Suspension (sealed)
C
"
B
A
C
B
1
/
2
1
/
1
"
1
1
/
"
2
A
"
/
"
2
/
"
2
To get the best performance from your subwoofer, you
must mount it inside an enclosure. An enclosure m akes
your subwoofer more efficient and improves its sound
quality.
Some common enclosure designs are:
• Acoustic suspension (sealed)
• Ported reflex (vented)
• Single reflex bandpass (vented)
For more information about a single reflex bandpass enclosure, see “Single Reflex Bandpass (vented)” on
Page 2.
To learn more about and build an acoustic suspension or
ported reflex enclosure, we recommend you use the book
Building Speaker System s
(Cat. No. 62-1087A, available
at your local RadioShack store) along with this Owner’s
Manual. That book has com plet e in format ion ab out build ing enclosures, including obtaining construction materials, and design and construction tips.
Check with RadioShack Unlimited for a pre-built
Note:
enclosure for this subwoofer.
Ported Reflex (vented)
C
A
"
1
—
/
"
"
4
1
—
B
A
C
B
1
/
4
1
/
"
"
1
/
/
"
2
"
4
© 1998 Tandy Corporation.
RadioShack is a registered trademark used by Tandy Corporation.
All Rights Reserved.
Single Reflex Bandpass (vented)
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Speaker
Wire
Endcap
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D
C
B
A
You can mount an optional spe aker plate on your
Note:
enclosure (such as Cat. No. 274-630) to mak e it easy to
connect the subwoofe r to your stereo amplif ier. This lets
you connect the subwoofer to the plate, then connect the
plate to your stereo amplifier.
Follow these steps to connect the subwoofer directly to
your sound system.
A
D
C
11 × 11 × 201/4 Inches (HWD)
1.02 Cubic Feet (.50 Sealed/.52 Vented)
Inside Distance from Baffle to End Panel of
—
"
HW
91/
2
B (1)
C (2)
Sealed Side of Enclosure
—
11 × 11 Inches
A (2)
—
"
"
2
91/
—
11" × 201/
2
× 91/
(with 71/
"
4
HW (with cutout for 3 in. vent)
—
D (2)
91/
"
2
× 201/
"
16
diameter cutout)
"
4
Tuning Frequency: 73 Hz
F3: 46–111 Hz
Ripple: 0 dB
Excursion Limited Power Handling: 54 Watts
A single reflex bandpass enclosure combines the features of acoustic suspension and ported reflex designs. In
this type of enclosure, one side of the subwoofer is
mounted in an acoustic suspension en closure, while the
other side is mounted in a ported reflex enclosure.
A single reflex bandpass enclosure controls the movement of the speaker’s cone at low frequencies (like an
acoustic suspension enclosure), and has the ability to
sacrifice efficiency for deeper bass or vice versa. The frequency response of the sing le reflex bandpass enclosure
is controlled by the volume of the enclosure.
1. Run one wire from eac h of t he subwoofer’s terminals
to the stereo amplifier.
2. Separate each wire’s two conductors at both ends for
a length of about 2 inches, then strip the insulation
from the ends of each con ductor to expos e
1
/2 inch of
wire.
2 inches
2 inches
1
1/2 inch
/2 inch
3. Twist the endcap from a banana plug (not supplied)
to remove it, route one of the speaker’s wires through
the endcap, then fold the exposed wire around the
top of the endcap.
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4. Screw the banana plug back onto the endcap as
shown here.
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Due to the complexity of its construction, a single reflex
bandpass enclosure can be difficult to design and build. If
you are inexperienced at building enclosures, we recommend that you build an acous t ic sus pension or port ed reflex enclosure.
CONNECTING THE SUBWOOFER TO
YOUR STEREO AMPLIFIER
We recommend you use 12-gauge or thicker wire (such
as Cat. No. 278-1268, not supplied ) to connect the subwoofer to your stereo am plifier. For the maximum bass
response and the best overall performance, be sure to
connect + to + and
2
to –.
–
5. Repeat Steps 3 and 4 for each of the subwoofer’s
wires.
6. Press the banana plugs into the subwoofer’s terminals to connect them.
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