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12W7AE Subwoofer: Amplifier Recommendations.
HD750/1 (shown) or JX1000/1D
RECOMMENDED CONTINUOUS RMS POWER RANGE FOR ONE SUBWOOFER DRIVER:
500W 750W 1000W 2000W
4000W
250W
12 W7AE
12W7AE-3
Free Air Resonance (Fs): 27.2 Hz
Electrical “Q” (Qes): 0.514
Mechanical “Q” (Qms): 7.807
Total Speaker “Q” (Qts): 0.482
Equivalent Compliance (Vas): 2.33 cu. ft. (66.0 ltrs)
One-Way, Linear Excursion (Xmax)*: 1.15 in. (29 mm)
Thermal Power Handling (Pt): 1000 Watts Continuous
Reference Efficiency (no): 0.249 %
Efficiency (SPL @ 1W/1m): 86.2 dB
DC Resistance (Re): 2.47Ω
Effective Piston Area (Sd): 84 sq. in. (0.0542 sq. m)
Nominal Impedance (Znom):
* Xmax specifications are derived via one-way voice coil
overhang method with no correction factors applied.
Remote Level Control
Requires HD-RLC controller (sold separately).
Multiple ampliers can be controlled with
one controller by adding standard phone
cable splitter (not included). This is a true
subwoofer level control, not a “bass boost”.
Output Polarity:
Carefully listen to the sub-bass to mid-bass transition with music
that has strong mid-bass content. Select the switch position
which gives the smoothest, most natural mid-bass response. If
using multiple HD750/1’s on multiple subwoofers, make sure this
switch is set to the same position on all amplifiers.
Infrasonic Filter:
TurnO” for Sealed Enclosure.
Select “30Hz” for Ported Enclosure.
Input Sensitivity Controls:
Proper adjustment of
these controls is critical!
For virtually all aftermarket
head units, set “Input
Voltage” to “Low. See
Input Sensitivity Setting
Guide on pg. 14 for precise
setting instructions.
Filter Mode & Slope:
Set “Mode” switch to
LP. Set “Slope” switch to
24dB. Set “Filter Freq.
(Hz)” knob to “85”.
Lower settings are likely to
result in a poor transition
between the upper
response of the W7AE and
the lower response of the
mid-bass speakers.
JLAudio HD750/1:
These settings are intended as a
“baseline” for tuning your system.
Depending on your vehicle and
your preferences, some variation
in the crossover and bass control
settings may be necessary for
optimum performance.
= position of knob
= position of switch
= switch with two possible positions
= setting will vary (see sidebar)
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