Features
Xmax = 14mm one-way by 70% BL
RMS Power = 500-watts (300-watts 8”)
Vented magnetic gap
Vented pole piece with optimized geometry (solid pole for 8”)
Black Aluminum 2.5” voice coil former for superior heat dissipation (2” coil for 8”)
High Temperature 4-Layer copper voice coil wire
Spring Loaded Terminals
Stitched-On “Mini-XL” Tinsel Leads to prevent fatigue and failure
Bolted-on Spider Pack
Bolt-through motor design to ensure maximum longevity and ruggedness against mechanical failures
High strength stamped steel frame
Optimized for ported enclosures
T/S SPECS
Ev4 15″ D2
Ev4 15″ D4
RE (Ohms)
4.0
6.1
FS (Hz)
32.2
31.3
VAS (L)
75.1
85.5
Qes
0.53
0.62
Qms
4.79
4.32
Qts
0.48
0.54
Le (mH)
2.55
3.59
BL (NA)
21.8
23.8
Mms (Grams)
312.9
291.5
Cms (uM/N)
0.08
0.09
Sens (dB @ 1w/1m)
88.6
88.1
ENCLOSURE SPECIFICATIONS
Sealed Enclosure
2.5 cu ft
Ported Enclosure
3.25 cu ft
Recommended Tuning
32Hz
Recommended Port Area
52 sq in
Displacement
0.14 cu ft
Depth
7.25″
Outside Diameter
15.125″
Cut-Out
13.875″