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Product Details
Dayton Audio DCS165-4 6-1/2″ Classic Subwoofer 4 Ohm

Dayton Audio’s rugged DCS165-4 6-1/2″ subwoofer has all of the performance-enhancing attributes you would expect from a larger high-output subwoofer. With a vented pole piece and 4 ohm, 4-layer voice coil, this driver can handle up 100 watt RMS. The non-pressed paper cone is reinforced with Kevlar to increase stiffness, which promotes linear travel through the limits of its excursion. In addition, the pole piece includes a copper cap that keeps inductance to a minimum. The DCS165-4 driver is ideal for use in small multimedia speakers, portable speakers, or even automotive systems where space is at a minimum.

Product Specifications
Nominal Diameter
6-1/2″

Power Handling (RMS)
100 Watts
 
Power Handling (max)
200 Watts

Impedance
4 ohms
 
Frequency Response
36 to 1,100 Hz

Sensitivity
87.4 dB 2.83V/1m
 
Voice Coil Diameter
1.51″
Thiele-Small Parameters
Resonant Frequency (Fs)
35.7 Hz

DC Resistance (Re)
3.4 ohms
 
Voice Coil Inductance (Le)
1.43 mH

Mechanical Q (Qms)
6.62
 
Electromagnetic Q (Qes)
0.36

Total Q (Qts)
0.34
 
Compliance Equivalent Volume (Vas)
0.42 ft.³

Mechanical Compliance of Suspension (Cms)
0.5 mm/N
 
BL Product (BL)
9.15 Tm

Diaphragm Mass Inc. Airload (Mms)
39.5g
 
Maximum Linear Excursion (Xmax)
6 mm

Surface Area of Cone (Sd)
124.7 cm²
 
Materials of Construction
Cone Material
Paper / Kevlar

Surround Material
Rubber
 
Voice Coil Wire Material
Copper

Voice Coil Former
Kapton® / Polyimide
 
Basket / Frame Material
Steel

Magnet Material
Ferrite
 
Mounting Information
Overall Outside Diameter
6.57″

Baffle Cutout Diameter
5.62″
 
Depth
3.25″

# Mounting Holes
8
 
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume
0.2 ft.³

Sealed F3
80 Hz
 
Vented Volume
0.5 ft.³

Vented F3
42 Hz