Ds18 Srw12.4d 12 Inch Shallow Subwoofer Owner's Manual (+ PDF)

DS18 SRW12.4D 12 Inch Shallow Subwoofer Owner’s Manual

Contents hide

1 SRW12.4D Dimensions

2 SPECIFICATIONS

3 MOTOR

4 THIELE & SMALL PARAMETERS

5 MEASUREMENTS

6 Documents / Resources

6.1 References

7 Related Posts

SRW12.4D Dimensions

SPECIFICATIONS

Nominal Diameter 12″
Nominal Impedance 4+4 Ohm
RMS Power Handling 220W
MAX Power Handling 440W
Sensitivity (1w/1m) 88 dB
Frequency Response 6-250Hz
Recommended Low Pass Crossover 80Hz

MOTOR

Voice Coil Diameter 2″ / 50.8mm
VC Former Material Aluminum
Winding Material SV
Cone Material Paper
Dust Cap Material Paper
Surround Material Rubber
Basket Material Steel
Basket Color and Finish Glossy Red
Magnet Material Ferrite
Magnet Weight 45 oz
Displacement Volume 2.12L/0.074ft3

THIELE & SMALL PARAMETERS

Equivalent Volume	Vas	26.6L / 0.93ft3
Excursion (one way)	Xmax	15 mm
Free Air Resonance	Fs	54 Hz
Mechanical Factor	Qms	4.235
Electrical Factor	Qes	1.234
Total Factor	Qts	0.956
Mechanical Mass	Mms	127.67g
Mechanical Compliance	Cms	0.067 mm/N
BL Factor	BL	15.6
Voice Coil Inductance	Le	1.582 mH
Cone Area	Sd	530.93 Cm2
DC Resistance	Re	3.4+3.4 Ohm
Efficiency Bandwidth Product	EBP	43.7
Mechanical Mass Without Air	Mmd	113.85g

MEASUREMENTS

Overall Diameter 12.44” / 316mm
Overall Depth 4.13” / 105mm
Front Mount Baffle Cutout 10.98” / 279mm
Mounting Depth 3.54” / 90mm
Motor Diameter 5.51″ / 140mm

Recommended Box Dimension

Single Subwoofer Sealed Box

Parameters

Box External Dimensions (WxHxD): 33.46”x 15.75”x 4.89”
Material Thickness: 0.51” / 13 mm
Net Internal Volume: 1.00 ft3

Wood Cuts	Qty
Top-Bottom (WxH): 33.46”x4.89”	2
Front-Rear (WxH): 33.46”x14.72	2
Left-Right Derecho (WxH): 3.87”x14.72”	2

Single Subwoofer Ported Box

Parameters

Box External Dimensions (WxHxD): 35.43”x 17.72”x 5.79”
Material Thickness: 0.51” / 13mm
Net Internal Volume: 1.50 ft3
Tuning Frequency: 45 Hz
Port Area: 7.06 inch2
Pipe Inner Diameter: 3.00”
Pipe Length: 3.32”