


Details
Model |
STLF-1804-4
|
Resonance |
34Hz |
Nominal Basket Diameter |
18" |
Frequency Response
|
34Hz - 2kHz |
Nominal Impedance |
4Ω |
Sensitivity |
98dB |
Power Rating
|
800W RMS |
Magnet Weight |
100oz |
Program Power |
1600W Program |
Voice Coil Diameter |
4" VC |
Thiele & Small Parameters
Resonant Frequency (fs) |
34Hz |
Compliance Equivalent Volume (Vas) |
161.63 liters |
DC Resistance (Re) |
3.6Ω |
Mechanical Compliance of Suspension (Cms) |
68.61 mm/N |
Mechanical Q (Qms) |
3.201 |
BL Product (BL) |
16.855 Tm |
Electromagnetic Q (Qes) |
0.755 |
Diaphragm Mass Inc. Airload (MMs) |
243.73 g |
Total Q (Qts) |
0.611 |
Surface Area of Cone (Sd) |
1288 cm2 |
Mounting Information
Efficiency Bandwidth |
51
|
Baffle Hole Diameter |
16.5", 420mm |
Sealed |
367.3 liters / 12.96 cu.ft. |
Installation Position Diameter |
17.6", 448mm |
Vented |
489.8 liters / 17.26 cu.ft. |
Mounting Holes Diameter |
8-0.24"x0.35", 6x9mm |
Overall Diameter |
18.0", 458mm |
Net Weight |
20.8lbs, 9.34kg |
Depth |
7.52", 191mm |
|
|
Materials of Construction
Coil Construction |
Round copper |
Cone Composition |
Paper cone |
Coil Former |
Aluminum |
Cone Edge Composition |
Cloth edge |
Magnet Composition |
Ferrite |
Dust Cap Composition |
Paper cap |
Basket Materials |
Steel |
|
|
Dimension & Weight
Product Width (in.) |
∅18.0" |
Package Width (in.) |
19.3" |
Product Height (in.) |
7.5" |
Package Height (in.) |
9.3" |
Product Depth (in.) |
--" |
Package Depth (in.) |
19.3" |
Product Weight (lb.) |
20.8 lbs |
Package Weight (lb.) |
25.5 lbs |
Warranty/Certifications
Manufacturer Warranty |
1 year |