HIGH PERFORMANCE
SUBWOOFERS
MODELS AVW110, AVW111,
AVW121 and AVW122
OWNER’S MANUAL
Released 2-25-03
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each other in parallel, a 1-Ohm monaural output would result (See Fig. 2). On the
other hand, if your amplifier is rated for 4-Ohm operation in bridged or one-channel
operation, series-connect the woofer voice coils (See Fig. 3). If the amplifier is rated
for 8 Ohms, interconnect the voice coils of the woofer in series as shown to obtain an
8-Ohm monaural output (See Fig. 4).
The same applies for parallel wiring of a single, dual-voice coil 6-Ohm woofer, in
which a total impedance load of 3 Ohms will be seen at the amplifier.
SERIES/PARALLEL STEREO CONNECTION
Series wiring of each of two, dual voice-coil 4-Ohm woofers will result in a total
impedance load of 8 Ohms at each channel of the amplifier (See Fig. 5). Otherwise,
connect one woofer to each channel for 4-Ohm stereo operation (See Fig. 6), or two
parallel-wired woofers (one-per-channel) for 2-Ohm stereo operation (See Fig.7).
The same applies for series wiring of a single, dual-voice coil 6-Ohm woofer, in which
a total impedance load of 12 Ohms will be seen at the amplifier.
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INSTALLATION RECOMMENDATIONS
To realize the utmost in sound reproduction from your subwoofer(s), follow these
installation recommendations:
Use a quality large gauge wire to connect your subwoofer to the
amplifier
Use a subwoofer crossover to remove unwanted higher frequencies
Position the enclosure in the rear of the vehicle with the subwoofer
facing rearward to improve bass response and avoid cancellation
of audio frequencies
ENCLOSURE CONSTRUCTION RECOMMENDATIONS
To enhance subwoofer performance, the following general recommendations should
be addressed when constructing the speaker enclosure:
Use 3/4" MDF for your construction material
Glue all joint seams
Screw or nail all joints tight
Brace all walls
DESIGNING AND BUILDING YOUR SPEAKER ENCLOSURE
The following parameters are offered to assist you in designing your own enclosure.
There are many computer software programs available on the market that, along with
this information, will allow you to construct the type of enclosure that best suits your
needs.
To obtain the best possible results, we suggest you use our recommended enclosure
designs and have an automotive sound professional build your enclosure.
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Parameters
AVW111 AVW121 AVW110 AVW122
Fo (Hz)
Revc (Ohms)
Levc at 1kHz (mH)
Qms
36.44
2.7
35.84
1.6
30.33
1.6
32.42
2.7
1.44
4.27
0.54
0.48
31.98
86.44
12
0.97
5.72
0.46
0.43
61.23
89.67
14
1.19
4.27
0.32
0.29
39.06
87.19
12
1.48
4.07
0.57
0.50
68.84
87.99
14
Qes
Qts
Vas (Ltrs)
Spl @ 1W/1M (dB)
X-Max Linear
pk-pk (mm)
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Recommended Enclosure Volumes
AVW111 AVW121 AVW110 AVW122
SEALED
Minimum sealed (Cu. Ft)
Maximum sealed (Cu. Ft)
0.35
0.75
0.5
1.0
0.35
0.75
0.75
1.25
PORTED
Vented (Cu. Ft)
1.5
34
3
2
1.25
34
3
2.25
32
4
Vented to (Hz)
Port Diameter (“)
Port Length (“)
Number of Ports
34
4
8.5
1
11.5
1
7.5
1
12
1
SQUARE PORT INFO
Port Area (Sq/In)
Port Length (")
7
12
7
12
12
8.5
11.5
7.5
© 2003 Audiovox Electronics Corporation, Hauppauge, NY 11788
128-6685
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