| www.earthquakesound.com |
#1 in Sound Quality, #1 in SPL...
“In sound quality and low frequency extension, the Earthquake MAGMAs excel leaving all other woofers behind” May 1999 CA&E. “With nearly 22mm of linear excursion (four times longer than other sub), and a hefty 3”
May 1999 CA&E.
MAGMA12 |
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| 12 1/2” | |
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| 11 1/8” |
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5 7/8”
6 3/8”
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| 16.5" |
19" | #1 | 16" |
| Bass Heads |
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14" | MAGMA12 | PORT |
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| 3" |
MAGMA15
15 5/16"
14"
6 7/8"
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| 8" |
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| 22" |
23" | #1 | 16.5" |
| Bass Heads |
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18" | MAGMA15 | PORT |
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| 6" |
SPL
SLAPS
TUNED
V = 1.1 ft3 
FB = optimum using
LOW BASS SLAPS TUNED
V = 1.4 ft3 
FB = optimum using
SPL | LOW BASS |
SLAPS | SLAPS |
TUNED | TUNED |
V = 1.5 ft3 | V = 2.5 ft3 |
FB = optimum | FB = optimum |
using | using |
passive radiator | passive radiator |
SPL SEALED
V = 0.8 ft3 Q = 0.81 F3 = 42Hz Fc = 48Hz
NORMAL | LOW BASS |
SEALED | SEALED |
V = 1.0 ft3 | V = 1.2 ft3 |
Q = 0.76 | Q = 0.7 |
F3 = 42Hz | F3 = 41Hz |
Fc = 44Hz | Fc = 42Hz |
SPL | NORMAL | LOW BASS |
SEALED | SEALED | SEALED |
V = 1.5 ft3 | V = 2.0 ft3 | V = 2.5 ft3 |
Q = 1.2 | Q = 1.0 | Q = 0.9 |
F3 = 47Hz | F3 = 44Hz | F3 = 42Hz |
Fc = 63Hz | Fc = 57Hz | Fc = 53Hz |
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.