Polk Audio SR104DVC, SR 124 Nominal Diameter 10in .4cm 12in .48cm Overall Diameter, 10.26in .06cm

SPECIFICATIONS
	SR104	SR104DVC	SR124	SR124DVC
Nominal Diameter	10in. (25.4cm)	10in. (25.4cm)	12in. (30.48cm)	12in. (30.48cm)
Overall Diameter	10.26in. (26.06cm)	10.26in. (26.06cm)	12.45in. (31.62cm)	12.45in. (31.62cm)
Mounting Hole Diameter	9.1in. (23.11cm)	9.1in. (23.11cm)	11in. (27.94cm)	11in. (27.94cm)
Bolt Hole Circle	9.64in. (24.49cm)	9.64in. (24.49cm)	11.68in. (29.67cm)	11.68in. (29.67cm)
Magnet Diameter	7in. (17.78cm)	7in. (17.78cm)	7in. (17.78cm)	7in. (17.78cm)
Mounting Depth	7in. (17.78cm)	7in. (17.78cm)	7.6in. (19.3cm)	7.6in. (19.3cm)
Driver Displacement	0.12 cu. ft. (3.34L)	0.12 cu. ft. (3.34L)	0.14 cu. ft. (3.96L)	0.14 cu. ft. (3.96L)
Frequency Response	25-200Hz	25-200Hz	20-200Hz	20-200Hz
Thermal Power Handling	700W	700W	700W	700W
Peak Power Handling	1400W	1400W	1400W	1400W
Nominal Impedance	4 Ohms	Dual 4 Ohms	4 Ohms	Dual 4 Ohms
Sensitivity (2.83V)	87dB	90dB@2 Ohms,	88dB	91dB@2 Ohms,
		84dB@8 Ohms		85dB@8 Ohms
Net Weight	24.5 lb. (11.1kg)	24.5 lb. (11.1kg)	26.5 lb. (12.0kg)	26.5 lb. (12.0kg)
THIELE-SMALL PARAMETERS
	SR104	SR104DVC	SR124	SR124DVC
Fs	35Hz	36Hz	29Hz	30Hz
Qts	0.47	0.55	0.53	0.55
Qes	0.5	0.6	0.58	0.6
Qms	6.8	8.0	6.9	8.0
Vas	22L	22L	53L	53L
Xmax Linear (One Way)	0.64in.	0.64in.	0.64in.	0.64in.
	16.25mm	16.25mm	16.25mm	16.25mm
Re	3.5 Ohms	7.0 Ohms (series)	3.5 Ohms	7.0 Ohms (series)
		1.75 Ohms (parallel)		1.75 Ohms (parallel)
Mms	164g	155g	200g	183g
Cms	125um/N	125um/N	155um/N	150um/N
Bl	15.5T-m	19T-m (series)	15.5T-m	19T-m (series)
		9.3T-m (parallel)		9.3T-m (parallel)
Sd	346.36 sq.cm.	346.36 sq. cm.	499 sq. cm.	499 sq. cm.
	53.69 sq. in	53.69 sq. in.	77.35 sq. in.	77.35 sq. in.

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