Earthquake Sound Car Speaker DB R User Manual

Magma  
The Sound That Will MOVE You...  
DB-R  
Subwoofers  
Installation  
&
Reference  
Manual  
DBX-R  
Tremor-XR  
Earthquake Sound Corporation, 1215 O’Brien Drive, Menlo Park, CA, 94025. Ph (650) 327-3003. Fax (650) 327-0179.  
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OHM-LAW  
How To Wire Your Subwoofers.  
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MAGMA-Pro  
#1inSoundQuality, #1inSPL...  
“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” 4-layer dual voice coil; the  
MAGMAsmakesealedboxbassanoctavelowerthananyotherwoofer.”  
May 1999 CA&E.  
MAGMA15  
MAGMA12  
12 1/2”  
11 1/8”  
15 5/16"  
14"  
6 3/8”  
8"  
16.5"  
22"  
19"  
23"  
#1  
16"  
16.5"  
#1  
Bass Heads  
Bass Heads  
MAGMA12  
MAGMA15  
6"  
3"  
SPL  
LOW BASS  
SPL  
LOW BASS  
SLAPS  
SLAPS  
TUNED  
SLAPS  
TUNED  
SLAPS  
TUNED  
TUNED  
V = 1.4 ft3  
V = 1.1 ft3  
V = 1.5 ft3  
V = 2.5 ft3  
FB = optimum  
FB = optimum  
FB = optimum  
using SLAPS-15  
passive radiator  
FB = optimum  
using SLAPS-15  
passive radiator  
using SLAPS-12  
passive radiator  
using SLAPS-12  
passive radiator  
SPL  
NORMAL  
SEALED  
LOW BASS  
SEALED  
SPL  
NORMAL  
LOW BASS  
SEALED  
SEALED  
SEALED  
SEALED  
V = 2.0 ft3  
Q = 1.0  
V = 2.5 ft3  
Q = 0.9  
V = 1.0 ft3  
Q = 0.76  
V = 1.2 ft3  
Q = 0.7  
V = 1.5 ft3  
Q = 1.2  
V = 0.8 ft3  
Q = 0.81  
F3 = 44Hz  
Fc = 57Hz  
F3 = 42Hz  
Fc = 53Hz  
F3 = 42Hz  
Fc = 44Hz  
F3 = 41Hz  
Fc = 42Hz  
F3 = 47Hz  
Fc = 63Hz  
F3 = 42Hz  
Fc = 48Hz  
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.  
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DB-Street Pro  
DBR-15  
DBR-10  
DBR-12  
15 1/4”  
14”  
12 3/8”  
11”  
10 1/4”  
9 3/8”  
6 1/4”  
5 ½”  
5 ½”  
VB = 2.5 ft3  
FB = 45Hz  
VB = 1.0 ft3  
VB = 0.7 ft3  
FB = 45Hz  
PD = 3”  
PL = 8.5”  
FB = 45Hz  
PD = 3”  
PL = 7”  
#1 “SPL”  
PD = 4”  
#1 “SPL”  
Ported Box  
#1 “SPL”  
Ported Box  
Ported Box  
PL = 5”  
VB = 4.0 ft3  
FB = 35Hz  
PD = 4”  
PL = 4”  
VB = 1.25 ft3  
FB = 35Hz  
VB = 1.75 ft3  
FB = 40Hz  
PD = 4”  
#1 Low Bass  
Ported Box  
PD = 3” #1 Low Bass  
#1 Low Bass  
Ported Box  
PL = 10”  
Ported Box  
PL = 10”  
VB = 1.5 ft3  
Q = 1.2  
F3 = 55Hz  
Sealed Box  
Fc = 76Hz  
VB = 0.9 ft3  
Q = 1.3  
F3 = 53Hz  
Fc = 74Hz  
VB = .75  
Q = .85  
F3 = 47Hz  
Fc = 56Hz  
#2 “SPL”  
#2 Low Bass  
sealed Box  
#2 “SPL”  
Sealed Box  
4TH ORDER  
Band Pass  
VB = 3.0 ft3  
Q = .9  
VB = .8 ft3  
Q = .87  
F3 = 55Hz  
Fc = 38Hz  
VB = 1.0 ft3  
#2 Low Bass  
VB = 1.7 ft3  
Q = .9  
F3 = 45Hz  
FB = 55Hz  
PD = 4”  
PL = 4”  
F3 = 45Hz  
Fc = 54Hz  
Sealed Box  
#2 Low Bass  
Sealed Box  
Fc = 57Hz  
4TH ORDER  
Band Pass  
7TH ORDER  
Band Pass  
4TH ORDER  
Band Pass  
VB = 3.0 ft3  
Q = .9  
FO = 55Hz  
Fc = 34Hz  
VB = 3.0 ft3  
VB = 1.8 ft3  
Q = .95  
F3 = 56Hz  
Fc = 35Hz  
VB = .75 ft3  
VB = 2.8 ft3  
FB = 30Hz  
PD = 4”  
VB = 1.4 ft3  
FB = 55Hz  
Two ports at  
4” x 4” each  
FB = 70Hz  
PD = 4”  
PL = 8”  
FB = 60Hz  
PD = 5”  
PL = 7”  
PL = 12”  
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.  
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DB-Xtreme  
DBXR-10D & DBXR-10  
DBXR-8D  
8”  
7 1/4”  
10 5/8”  
9 3/8”  
5 1/2”  
6 3/8”  
(External Dimensions using 3/4" MDF)  
(External Dimensions using 3/4" MDF)  
#1 Bass head design for competition  
#1Bass head design for competition  
15"  
14"  
15 1/2"  
15 1/2"  
11"  
13"  
DBX8D  
DBX10D  
#2 Port tuned design for deep bass  
16"  
#2Port tuned design for deep bass  
14"  
11 "  
15 "  
Port  
Port  
DBX8D  
DBX10D  
4" diameter  
8 1/2" long  
3" diameter  
7" long  
#3Sealed design for tight bass  
11 1/4 "  
10"  
#3 Sealed design for tight bass  
11 1/4 "  
12"  
DBX8D  
DBX10D  
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.  
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DB-Xtreme  
DBXR-12D & DBXR-12  
DBXR-15D  
12 5/8”  
11 1/8”  
15 5/8”  
14”  
6 3/8”  
7 3/8”  
#1Bass head design for competition  
19"  
#1Bass head design for competition  
16 1/2"  
22"  
23"  
16 1/2"  
16"  
DBX15D  
DBX12D  
#1Passive tuned design for  
#1Passive tuned design for  
Drone Tuned Box  
VB = 2 1/2 ft3  
FB = optimized with  
SLAPS-12 passive  
Drone Tuned Box  
VB = 2 1/2 ft3  
FB = optimized with  
SLAPS-15 passive  
#2Port tuned design for deep bass  
19"  
#2Port tuned design for deep bass  
23"  
12 1/2"  
13 1/2"  
9"  
9"  
9"  
#2  
DBX12D  
DBX15D  
#3Sealed design for tight bass  
14"  
#3  
Sealed design for tight bass  
17"  
15 "  
10 3/4 "  
DBX15D  
DBX12D  
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.  
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TREMOR-Xtreme  
TremorX-8  
TremorX-10  
8 1/2”  
7 1/4”  
10 3/8”  
9”  
5 3/4”  
5 3/4”  
#1Bass head design for competition  
#1Bass head design for competition  
15"  
14"  
15 1/2"  
11"  
15 1/2"  
13"  
TremorX8  
TremorX10  
#2Port tuned design for deep bass  
#2 Port tuned design for deep bass  
16"  
14"  
11 "  
#2  
15 "  
Port  
Port  
4" diameter  
TremorX10  
3" diameter  
7" long  
TremorX8  
8 1/2" long  
#3 Sealed design for tight bass  
#3 Sealed design for tight bass  
10"  
12"  
11 1/4 "  
11 1/4 "  
TremorX8  
TremorX10  
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.  
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TREMOR-Xtreme  
12 3/8”  
11”  
TremorX-15  
15 ½”  
13 3/4”  
TremorX-12  
6 3/8”  
6 1/2”  
#1Bass head design for competition  
#1Bass head design for competition  
22"  
16 1/2"  
19"  
23"  
16"  
16 1/2"  
TremorX15  
TremorX12  
Passive tuned design for  
deep bass small volume  
Passive tuned design for  
deep bass small volume  
#1  
#1  
Drone Tuned Box  
VB = 2 1/2 ft3  
FB = optimized with  
SLAPS-12 passive  
Drone Tuned Box  
VB = 2 1/2 ft3  
FB = optimized with  
SLAPS-15 passive  
Port tuned design for deep bass  
#2  
Port tuned design for deep bass  
#2  
19"  
23"  
13 1/2"  
9"  
12 1/2"  
9"  
TremorX15  
TremorX12  
Sealed design for tight bass  
#3  
#3 Sealed design for tight bass  
17"  
14"  
15 "  
10 3/4 "  
TremorX15  
TremorX12  
Specifications are subject to change without notice. Dimensions shown are external Dimensions using 3/4" MDF.  
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