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Installation booklet
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www.earthquakesound.com
Introduction
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Thank you for purchasing the Magma subwoofer – the world’s 6 back plate holes to create massive cooling in the gap
leading subwoofer in power, SPL and accuracy.
Upon its release, the Magma toppled DB drag records one by one
Back in 1995, Earthquake Sound Corporation led the industry like a bowling ball rolling through the lane. For over 12 years, the
in making the world’s true extra long stroke subwoofer by Magma reigns over the competitions in sound quality, power and
unleashing the Magma subwoofer line. The Magma introduces accuracy. While Magma performance pushed the boundaries, the
many innovations to the audiophile community, as follows: newly released Magma 12X ripped 'em apart.
st
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1 super wide edge surround to allow LONG EXCURSIONS
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1-1/4” spider mounting height to allow for 2.5” PEAK TO
PEAK MECHANICAL EXCURSIONS
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Stacked magnet with huge bump back plate to create high Thank you,
excursion MOTOR Joseph Sahyoun, President
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Light-mass flat piston to REDUCE CONE DISTORTION
while maintaining high speed
NOTE: While this booklet may provide you with the necessary tools to build a solid good sounding
enclosure for your subwoofer, Earthquake Sound recommends that you invest wisely and have our
professionally trained Earthquake dealers help you optimize your enclosure design and the rest of
your audio system.
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Designs & Engineering Honors
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Poly-ether draw surround with thick single layer for longer life and max excursion
Edge reinforced inverted dust cap for lower cone distortion
3mm stiff non-pressed fiber cone for faster response and lighter mass
MAX OD spider for more spider area and more linear spring constant
Super thick motor to assist long excursion – 2” thick
PBPä (Perforated Back Plate) that circulate cold air into the gap
Patented TCT (Turbo Cooled Technology) forced cooled motor–
in with the cold air and out with the hot air
ä
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SUBWOOFER: MAGMA12X
23.8 Hz
0.642
1.641
.461
3
2.58 ft
73.27 liters
1.5 in
38 mm
83.7 dB SPL
2
81in
2
0.0053 m
5.8W
Dual 4W
600W
6.7 in
170 mm
11.1 in
283 mm
3
0.080 ft
Free Air Resonance (Fs):
Electrical “Q” (Qes):
Mechanical “Q” (Qms):
Total Speaker “Q” (Qts):
Equiv. Compliance (Vas):
One-way, Linear Excursion:
(Xmax)
Efficiency (1W/1m):
Effective Piston Area (Sd):
DC Resistance (Re):
Nominal Impedance:
Power Handling (continuous):
Mounting Depth:
Mounting Hole Diameter:
Driver Displacement:
2.4 liters
Specifications
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7.1 in • 180 mm
6.7 in • 170 mm
11.1 in • 283 mm
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www.earthquakesound.com
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Five (5) Year Limited Warranty: CAR AUDIO PRODUCTS Damaged to speaker cabinet and cabinet finish due to misuse, abuse, or use of improper
Earthquake Sound warrants to the original purchaser that all Factory Sealed New Audio Products cleaning materials/methods.
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to be free of defects in material and workmanship, under normal and proper use, for a period of five (5) Bent speaker frame, broken speaker connectors, holes in speaker cone, surround and dust cap,
years from the date of purchase (as shown on the original bill of sale with serial number affixed/written burnt speaker voice coil.
!
on it). The five (5) year limited warranty period is valid only if the product is purchased from and Fading, deterioration of speaker components and finish due to improper exposure to elements.
!
properly installed by an authorized Earthquake Sound dealer/installer, and the warranty Products/parts damaged due to poor packaging or abusive shipping conditions.
registration card is properly completed and mailed to Earthquake Sound Corporation.
(D) Service Request:
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Products that are purchased from non-authorized dealer are not covered by warranty. To receive product(s) service, contact Earthquake Sound’s service department at (510) 732-1000
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If the product is not installed by an authorized dealer, then only a ninety (90) day warranty and request an RMA (Return Material Authorization) number. Items shipped without a valid RMA
period applies. number will be refused. Make sure you provide us with your complete/correct shipping address
(NO P.O. Box), a valid phone number and a brief description of the problem you are experiencing
(A) Five (5) Year Limited Warranty Plan Coverage Guidelines: with the product(s). In most cases, our technicians might be able to resolve the problem over the
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First year: Earthquake pays for labor, parts and ground freight (only in US mainland, not phone, thus eliminating the need to ship the product(s).
including Alaska, Puerto Rico and Hawaii) back to customer.
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Second, third, fourth & fifth year: Earthquake pays labor only. Customer must pay for parts, (E) Shipping Instructions:
re-packing (if needed) and freight both ways. Product(s) must be packaged in its original protective box(es) to minimize transport damage,
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Earthquake agrees to repair or replace – at our option – all such defective products/parts. otherwise a re-packing charge may apply). Shipper claims regarding items damaged in transit must
be presented to carrier. Earthquake Sound Corporation reserves the right to refuse products that
(B) Warning: are improperly packed. Copy of original bill of sale must accompany the product(s) being returned
Products (sent in for repair) that are tested by Earthquake technicians and deemed to have no for service. We encourage you to include a written description of the problem along with the
problem will not be covered by the five (5) year limited warranty. Customer will be charged a package. Ship product(s) to:
minimum of one (1) hour of labor (ongoing rate) plus shipping and handling charges. Earthquake Sound Corporation
2727 McCone Avenue. Hayward, CA 94545
(C) Warranty Limitations: You are responsible for the cost of shipping and insurance for the product(s). Please be sure to
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Defective products/parts have not been altered or repaired by other than an Earthquake factory write the RMA number on every box.
approved technician.
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Products/parts were not subjected to negligence, improper use or accident, damaged by (F) Disputes Resolution:
improper line voltage, used in incompatible products, or have its serial number or any part of it All disputes – between client(s) and Earthquake Sound Corporation – resulting from the five (5)
altered, defaced or removed, or have been used in any way that is contrary to Earthquake’s year limited warranty policy must be resolved according to the laws and regulations of the county of
written instructions. Alameda, California.
[Valid in US Mainland Only]
5 Year Limited Warranty Guidelines
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Suggested Enclosure Designs
18”
457mm
14”
356mm
13”
330mm
660mm
38mm
26”
1.5”
14”
356mm
406mm
16”
13”
12.5”
330mm
318mm
737mm
29”
Ported/Vented Box
[designed using 3/4” thick wood]
Sealed Box
[designed using 3/4” thick wood]
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www.earthquakesound.com
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Suggested Enclosure Designs
15”
381mm
18.75”
33”
476.25mm
838.2mm
10.75”
273.05mm
A
B
C
101.6mm
50mm
4”
2”
6.5”
165.1mm
14.5”
368.3 mm
13.5”
342.9 mm
13.5”
342.9 mm
13.5”
342.9 mm
5”
127mm
10.25”
260.35mm
A
B
C
Ported/Vented Box
[designed using 3/4” thick wood]
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The sound that will MOVE you
Earthquake Sound reserves the right to amend details of the specifications without notice.
ã Copyright - Earthquake Sound Corporation
Earthquake Sound Corporation
2727 McCone Avenue. Hayward, CA 94545. USA
Phone: 510-732-1000 Fax: 510-732-1095
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