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
2008 Massive Audio, Inc.
Ver.1
Due to continuing product improvement futures and specifications may change without notice.
Introduction:
Congratulations!
And thank you for purchasing a “Massive Audio” Ultra High Quality
(TW) 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. You will soon discover that
TW 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 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:__________________________
TW Series
control
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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.
1” tall roll santoprene surround:
Custom santoprene surround for maximum excursion and sound quality
bass reproduction.
Reinforced Aluminum Former:
Dual 4 Ohm, 2.5” 4 layer voice coil with 50mm winding length on a
reinforced aluminum former.
Ventilation plate:
Molded ABS plate with chrome finish to insure noise free ventilation
High X-max:
24 mm peak to peak x-max to insure high SPL sound reproduction
1000 Watts max 500Watts RMS
DESIGN FEATURES
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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.
Pre-install preparation
CAUTION!
Custom tolled steel basket with heavy powder coating:
Y40 High flux Ferrite magnets:
These high energy Y40 magnets will assure sufficient magnetic force
needed for high SPL output.
Heavy gauge stamped steel basket, to minimize vibration.
Heavy powder coating to dampen the basket, to minimize vibration and
ringing noises.
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CAUTION!
Recommended power range per sub-woofer is
200W - 500W RMS. Exceeding this power range
may increase the likelihood of driver failure.
Subwoofers operated above the recommended
power are not covered under warranty.
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Wiring Configuration
Two Subs 4
Two Subs 1
Mono 2
Mono 8
Dual 4
Recommended for
SPL applications
Recommended for SQ
(sound quality) applications
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Transducer Parameter
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Configurations Parallel 2 Series 8
NomZ 2 Ohm 8
Sd 0.01318 sqM 0.01318
Revc 1.5 Ohm 6
Levc 1 mH 1
BL 10.2 TxM 19
Vas 18 Liter 18
Cms 125 uM/N 125
Mms 167 Grams 167
Fo 34.8 Hz 34.8
Qms 5 5
Qes 0.529 0.586
Qts 0.478 0.525
no 0.138 % 0.125
SPL@1W 83.6 dB 83.16
SPL@2.83V 90.88 dB 84.41
Xmax/Over Hang 10 mm 10
Xmech/Suspension 24.5 mm 24.5
Watt@RMS 500 Watts 500
Watt@PEAK 1000 Watts 1000
Displacement 0.05 Ft3
Frame Diameter 10.50”
Mounting Hole Diameter 9.50”
Mounting Depth 5.50”
Overall Depth 6.25”
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TW 10 Ported box for one Sub
TW 10 Ported box for Two Subs
12”
16”
16”
4”
3”
12”
32”
16”
10.5”
2”
*Poly-fill 80% of the volume in order to achieve a falter 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.
H W D Hp Wp Lp Dp Lp
12" 16" 16" 4" 3" 12" 4" 12"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
1.28 ft3 44.79 Hz 22 Hz - 250 Hz 40-500W 28 Hz 2 or 8 Ohms
H W D Hp Wp Lp Dp Lp
12" 32" 16" 10.5" 2" 11" 2 x 4" 11"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
2.32 ft3 45.79 Hz 22 Hz - 250 Hz 100-1000 28 Hz 1 or 4 Ohms
Transducer Parameter
Configurations Parallel 2 Sereis 8
NomZ 2 Ohm
8
Sd 0.05047 sqM
Revc 1.5 Ohm
Levc 1 mH
BL 10.2 TxM
Vas 45 Liter
Cms 125 uM/N
Mms 186 Grams
Fo 33 Hz
Qms 5
Qes 0.56
Qts 0.5
no 0.33 %
SPL@1W 86.4 dB
SPL@2.83V 93.7 dB
Xmax/Over Hang 10 mm
Xmech/Suspension 24.5 mm
Watt@RMS 500 Watts
Watt@PEAK 1000 Watts
0.05047
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125
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0.608
0.542
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87.25
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500
1000
Displacement 0.065 Ft3
Frame Diameter 12.25”
Mounting Hole Diameter 11.50”
Mounting Depth 5.75”
Overall Depth 6.50”
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*Poly-fill 80% of the volume in order to achieve a falter 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.
TW 12 Ported box for one Sub
TW 12 Ported box for Two Subs
14”
18”
18”
12.5”
1.5”
14”
38”
18”
12.5”
3.5”
H W D Hp Wp Lp Dp Lp
14" 18" 18" 12.5" 1.5" 12" 4" 6"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
1.97 ft3 44.98 Hz 20 Hz - 250 Hz 40-500W 26 Hz 2 or 8 Ohms
H W D Hp Wp Lp Dp Lp
14" 38" 18" 12.5" 3.5" 11" 4 x 4" 14
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
4.36 44.78 Hz 20 Hz - 250 Hz 100-1000 26 Hz 1 or 4 Ohms
Displacement 0.067 Ft3
Frame Diameter 15.25"
Mounting Hole Diameter 14.25"
Mounting Depth 6.75"
Overall Depth 7.50”
Configurations Parrellel 2 Series 8
NomZ 2 Ohm 8
Sd 0.08118 sqM 0.08118
Revc 1.5 Ohm 6
Levc 1 mH 1
BL 10.2 TxM 19
Vas 117 Liter 117
Cms 125 uM/N 125
Mms 230 Grams 230
Fo 29.7 Hz 29.7
Qms 5 5
Qes 0.6 0.622
Qts 0.536 0.553
no 0.492 % 0.475
SPL@1W 89 dB 88.97
SPL@2.83V 96.4 dB 90.22
Xmax/Over Hang 10 mm 10
Xmech/Suspension 24.5 mm 24.5
Watt@RMS 500 Watts 500
Watt@PEAK 1000 Watts 1000
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Transducer Parameter
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TW 15 Ported box for one Sub
TW 15 Ported box for Two Subs
18”
24”
18”
16.5”
2”
18”
42”
21”
16.5”
5”
*Poly-fill 80% of the volume in order to achieve a falter 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.
H W D Hp Wp Lp Dp Lp
18" 24" 18" 16.5" 2" 12" 2 x 4" 9"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
3.54 ft3 39 Hz 18 Hz - 250 Hz 40-500W 24 Hz 2 or 8 Ohms
H W D Hp Wp Lp Dp Lp
18" 42" 21" 16.5" 5" 14" 6 x 4" 12.5"
BOX DIMENSIONS SLOTED PORT CIRCULAR PORT
VOLUME TUNNING FREQUENCY POWER SUBSONICS INPEDENCE
7.54 ft3 39.7 Hz 18 Hz - 250 Hz 100-1000 24 Hz 1 or 4 Ohms
WARRANTY
? Massive Audio, Inc. warrants all manufactured subwoofer
products to be free from defect in material and workmanship
for a period not to exceed
TWO YEARS*
from the date of
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 k
it.
? “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.
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