Earthquake Sound Speaker Subzero 15 User Manual

1” = 2.54 cm  
1 cubic foot = 1728 cubic inches  
Grille Clearance: 2”  
SUBZERO-15  
2500 WATTS  
Displacement: .3 Cube Feet  
Winner of the 2004  
Design & Engineering Award  
INNOVATIONS  
#1 Sealed design for tight bass  
#2 Passive tuned design for deep bass small volume  
#3 Ported design  
23”  
17"  
14”  
15 "  
10 1/2”  
5”  
Drone Tuned Box  
VB = 3 ft3  
18”  
18”  
Subzero-15  
FB = optimized with  
SLAPS-15 passive  
Outer dimension shown using 3/4" thick MDF.  
Outer dimension shown using 3/4" thick MDF.  
Outer dimension shown using 3/4" thick MDF  
Bass head design for competition  
SUBZERO-15  
#4  
Cut out hole 369mm / 14 1/2"  
25”  
3”  
FOR 44Hz Tuning: Port length equals 26”  
FOR 60Hz Tuning: Port length equals 16 1/2”  
20”  
13 1/2"  
Mounting  
depth  
220mm  
8 3/4"  
18"  
Subzero-15  
Outer dimension shown using 3/4" thick MDF.  
Specifications are subject to change without notice  
HANDCRAFTED IN USA.  
 
Electro Mechanical Parameters  
Name = EARTHQUAKE SUB-ZERO 15 (broken in)  
Note = VI MEASURMENTS  
Model = TSL  
Xmax = 31.7500E-3 M  
Krm = 35.4970E-3 Ohm  
Erm = 800.0000E-3  
Kxm = 209.1940E-3 H  
Exm = 677.0000E-3  
Rms = 4.4866 N·S/M  
Mms = 369.4390E-3 Kg  
Cms = 114.6000E-6 M/N  
Vas = 129.6534E-3 M³  
Fo = 24.4600 Hz  
Domain = FreeAir  
Shape = Round  
Profile = Cone  
Fmd = 3.0000 KA  
Qmd = 1.0000  
Flp = 8.0000 KA  
Qlp = 2.0000  
Znom = 8.0000 Ohm  
Revc = 7.8000 Ohm  
Sd = 89.0000E-3 M²  
Mmd = 354.1806E-3 Kg  
Pmax = 1.0000E3 W  
Rtvc = 250.0000E-3 °C/W  
Xgap = 12.7000E-3 M  
Xcoil = 76.2000E-3 M  
Qms = 12.6551  
Qes = 0.3095  
Qts = 0.3021  
BL = 37.8262 T·M  
Levc = 12.4090E-3 H  
SPLo = 89.7098 dB  
No = 587.7000E-3 %  
 

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