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Ultra High Quality Sub-Woofer
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Massive Audio, Inc.
P.O. Box 252004
Los Angeles, CA 90025 U.S.A.
www.massiveaudio.com
Due to continuing product improvement futures and specifications may change without notice.
2008 Massive Audio, Inc.
Ver.1
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Introduction:
Congratulations!
And thank you fo r purchasing a “Massive Audio” Ultra High Quality
(QC) Series Subwoofer for your car audio system. You now own a
subwoofer of uncompromising design and engineering incorporating
the latest advances in motor structure, voice coil geometric winding
and cone structure. This handcrafted subwoofer is designed to deliver
the demands of serious “SQ” sound quality.
Q C Series subwoofers display a fine balance between high
quality, performance and reliability; all proven qualities of “Massive
Audio” products.
“Massive Audio” subwoofers are the result of American Craftsmanship
using only the highest quality components and quality
standards. In order to provide you with many years of listening
pleasure, we recommend you to have your new subwoofer installed by
an Authorized “Massive Audio Dealer.” This will ensure the proper
installation of your product, and will also increase the length of your
warranty to TWO YEARS.
(Please see the warranty section of for more details.)
Please take a moment to thoroughly read this manual to ensure that you
get the maximum benefit from this new addition to your car audio
system. When installed properly, this unit will provide years of
trouble-free performance.
Should your subwoofer ever need service or replacement due to theft,
please record the following information, which will help protect your
investment.
Model #: _______________________________________
Dealer’s Name: ___________________________________
Date of Purchase: __________________________________
Installation Shop and Date:__________________________
You will soon discover that
control
QC Series
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DESIGN FEATURES
Heavy powder coated cast aluminum basket:
Custom die-cast heavy duty basket made of 6041 high density aviation
grade aluminum, to minimize vibration. Heavy power coating to dampen
the basket to further minimize vibration and ringing noises.
Double stacked 180 oz. Ferrite magnets structures:
These high energy Y40 magnets will assure sufficient magnetic force
needed for high SPL output.
Chrome Plated top and bottom plates:
For enhance cosmetics and to help to help protect the metal from corrosion.
Poly Cotton Damper:
Poly-Cotton Damper W/ Woven Round Tinsel Lead Wire
for a more linear diaphragm motion.
V Cone:
Ultra light V cone with custom window cut-outs.
For fast accurate and high quality sound reproduction.
CAUTION!
Recommended power range per sub-woofer is
200W - 800W RMS. Exceeding this power range
may increase the likelihood of driver failure.
Subwoofers operated above the recommended
power are not covered under warranty.
1” tall roll santoprene surround:
Custom santoprene surround for maximum excursion and sound quality
bass reproduction.
Reinforced Aluminum Former:
Dual 2 Ohm, 3” 4 layer voice coil with 54mm winding length on a
reinforced aluminum former.
Ventilation plate:
Molded ABS plate with chrome finish to insure noise free ventilation
High X-max:
40 mm peak to peak x-max to insure high SPL sound reproduction
1600 Watts max 800Watts RMS
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CAUTION!
Pre-install preparation
This subwoofer has to play at a low frequency, Mid-volume
signal for at least 2 hours to loosen the suspension.
This is a requirement to get the best performance from
this sub-woofer.
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Wiring Configuration
Mono 1
Recommended for
SPL applications
Mono 4
Recommended for SQ
(sound quality) applications
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Two Subs 2
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Two Subs 0.5
Dual 2
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Transducer Parameter
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
2.2ft3 44.5 Hz 20 Hz - 250 Hz 200-800W 26 Hz 2 or 8 Ohms
H W D Hp Wp Lp Dp Lp
14" 39" 18" 12.5" 4" 14" 4 x 4" 14"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
4.4 ft3 44.06 Hz 20 Hz - 250 Hz 500-1600 26 Hz 1 or 4 Ohms
H W D Hp Wp Lp Dp Lp
14" 18" 20" 12.5" 1.75 12.5 2 X 4" 12"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
C
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Configurations Parallel 1 Sereis 4
Xmax/Over Hang 17.5 mm 17.5
Xmech/Suspension 30.5 mm 30.5
Watt@PEAK 1600 Watts 1600
Mounting Hole Diameter 11.25”
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1
NomZ 1 Ohm 4
Sd 0.0497 sqM 0.0497
Revc 0.95 Ohm 3.8
Levc 1 mH 1
BL 10.9 TxM 20.75
Vas 37.4 Liter 37.4
Cms 107 uM/N 107
Mms 254 Grams 254
Fo 30.5 Hz 30.5
Qms 7 7
Qes 0.392 0.417
Qts 0.371 0.393
no 0.261 % 0.245
SPL@1W 86.4 dB 86.1
SPL@2.83V 95.6 dB 89.33
Watt@RMS 800 Watts 800
Displacement 0.095 Ft3
Frame Diameter 12.25”
Mounting Depth 6.50”
Overall Depth 7.50”
QC 12 Ported box for one Sub
14”
14”
1.75”
12.5”
18”
12.5”
20”
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QC
*Poly-fill 80% of the volume in order to achieve a flatter frequency response. (less boomy).
*Box dimensions are external using a 3/4” baffle.
*Approximate adjusting point for the subsonic filter, it should be adjusted until it is audible.
*For less air turbulence, round off inside and outside port edges and fill in the corner to avoid
sharp angles.
*Placing the port in the center of the box will further brace the enclosure.
*circular ports are calculated to fit the same enclosure as slotted port.
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39”
4”
18”
QC 12 Ported box for Two Subs
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Transducer Parameter
H W D Hp Wp Lp Dp Lp
18" 24" 18" 16.5 2.25" 14" 3 x 4" 14"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
3.5 ft3 43.3 Hz 18 Hz - 250 Hz 200-800W 24 Hz 2 or 8 Ohms
H W D Hp Wp Lp Dp Lp
20" 42" 20" 18.5" 5" 16" 6 x 4" 14"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
8 ft3 39 Hz 18 HZ - 250 Hz 500-1600 24 Hz 1 or 4 Ohms
Q
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Configurations Parallel 1 Sereis 4
Xmax/Over Hang 17.5 mm
Xmech/Suspension 30.5 mm
Watt@PEAK 1600 Watts
Mounting Hole Diameter 14.25”
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1
NomZ 1 Ohm
Sd 0.0798 sqM
Revc 0.95 Ohm
Levc 1 mH
BL 10.9 TxM
Vas 96.5 Liter
Cms 107 uM/N
Mms 299 Grams
Fo 28 Hz
Qms 7
Qes 0.427
Qts 0.402
no 0.479 %
SPL@1W 89.1 dB
SPL@2.83V 98.25 dB
Watt@RMS 800 Watts
Displacement 0.175 Ft3
Frame Diameter 15.25”
Mounting Depth 7.75”
Overall Depth 8.75”
4
0.0798
3.8
4
20.72
96.5
107
299
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7
0.466
0.437
0.439
88.62
91.85
17.5
30.5
800
1600
QC 15 Ported box for one Sub
18”
20”
2.25”
16.5”
24”
18.5”
18”
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QC
*Poly-fill 80% of the volume in order to achieve a flatter frequency response. (less boomy).
*Box dimensions are external using a 3/4” baffle.
*Approximate adjusting point for the subsonic filter, it should be adjusted until it is audible.
*For less air turbulence, round off inside and outside port edges and fill in the corner to avoid
sharp angles.
*Placing the port in the center of the box will further brace the enclosure.
*circular ports are calculated to fit the same enclosure as slotted port.
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42”
5”
20”
QC 15 Ported box for Two Subs
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WARRANTY
? Massive Audio, Inc. warrants all manufactured subwoofer
products to be free from defect in material and workmanship
for a period not to exceed
purchase when installed by an authorized “Massive Audio”
dealer. Units that are not installed by an authorized “Massive
Audio” dealer maintain a warranty not to exceed 90 days from
the original purchase date by the original purchaser.
? PrOducts that displays abuse such as burnt Voice Coils may
require purchase of a new recone kit.
? “Massive Audio” obligations under this warranty are limited to
repairing or replacing, at its own sole option, any such
defective products. This warranty does not apply to equipment
that has been damaged by accident, negligence, or
misapplication or has been altered or modified in anyway.
This warranty applies only to the original purchaser who must
have properly registered the product within 30 days of
purchase.
Except as provided herein, Massive Audio, Inc. makes no warranties or
representations, express or implied, including any warranty implied by
law, whether for merchantability or fitness for a particular purpose and
shall be effective only for the period that this express warranty is
effective. SEE THE WARRANTY REGISTRATION CARD TO
ADDITIONAL INFORMATION.
TWO YEARS*
from the date of
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NOTES
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6 12 3 1 6 9 6 1 0 3 0
QC
QC Series
E X P L O D E - V I E W
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