Harman Speaker MS 10SD2 User Manual

MS SERIES  
dual voice-coil subwoofer  
MS-10SD2  
MS-10SD4  
MS-12SD2  
MS-12SD4  
MS-15SD2  
OWNER’S MANUAL  
 
2. You must use both coils of a dual voice-coil woofer connected  
either in series or in parallel.  
SUGGESTED ENCLOSURES  
MoDELS SEaLED BoX  
VEnTED BoX  
3. Most amplifiers deliver exactly the same amount of power bridged  
into a 4-ohm load as they do running a 2-ohm stereo load.  
Internal Volume  
Internal Volume Qty.  
Duct(s) Diameter x Length  
MS-10SD2 0.78 ft3 (22L)  
1.13 ft3 (32L)  
1
2.95 in x 9.84 in (7.5cm x 25cm)  
To design a subwoofer system that maximizes available amplifier power,  
keep the following rules in mind:  
MS-10SD4 0.78 ft3 (22L)  
MS-12SD2 0.95 ft3 (27L)  
MS-12SD4 0.95 ft3 (27L)  
1.13 ft3 (32L)  
1.7 ft3 (48L)  
1.7 ft3 (48L)  
1
1
1
2.95 in x 9.84 in (7.5cm x 25cm)  
3.94 in x 8.66 in (10cm x 22cm)  
3.94 in x 8.66 in (10cm x 22cm)  
1. The total system impedance of woofers in parallel can be calculated  
using this formula:  
MS-15SD2 1.27 ft3 (36L)  
2.12 ft3 (60L)  
2
3.94 in x 14.96 in (10cm x 38cm)  
1
1
w2  
Impedance =  
– The suggested enclosure volumes are related to only one speaker, including woofer and duct(s)  
displaced volume.  
– For enclosures with more than one speaker, it is necessary to multiply the suggested volume and  
duct(s) by the quantity of speakers.  
1
w1  
1
w3  
...  
+
+
where w is the nominal impedance of the woofer.  
2. The total system impedance of voice coils (or woofers) in series can  
be calculated using this formula:  
ENCLOSURES INTERNAL VOLUME  
CALCULATION INSTRUCTIONS  
Impedance = w1 + w2 + w3 ...  
rECTanguLar BoX  
A x B x C  
TraPEZoiD rECTanguLar BoX  
The diagrams below show parallel and series speaker connections.  
C + D  
2
1000  
Internal Volume =  
(
)
Figure 1. Parallel connection  
Figure 2. Series connection  
A x B x  
1000  
Internal Volume =  
– A, B and C are internal dimensions.  
www.jbl.com  
3
 
rESPonSE CurVES (0º anD 45º) in a TEST EnCLoSurE  
inSiDE an anEChoiC ChaMBEr, 1w/1M  
harMoniC DiSTorTion CurVES MEaSurED aT 10%  
noMinaL PowEr inPuT  
MS-10SD2  
MS-10SD4  
MS-12SD2  
4
 
iMPEDanCE anD PhaSE CurVES MEaSurED  
in FrEE air  
SoFTwarE SiMuLaTED rESPonSE CurVE  
MS-10SD2  
MS-10SD4  
MS-12SD2  
5
 
rESPonSE CurVES (0º anD 45º) in a TEST EnCLoSurE  
inSiDE an anEChoiC ChaMBEr, 1w/1M  
harMoniC DiSTorTion CurVES MEaSurED aT 10%  
noMinaL PowEr inPuT  
MS-12SD4  
MS-15SD2  
6
 
iMPEDanCE anD PhaSE CurVES MEaSurED  
in FrEE air  
SoFTwarE SiMuLaTED rESPonSE CurVE  
MS-12SD4  
MS-15SD2  
www.jbl.com  
7
 
SPECiFiCaTionS  
Nominal diameter:  
MS-10SD2  
10 in (254mm)  
2+2 ohms  
MS-10SD4  
10 in (254mm)  
4+4 ohms  
MS-12SD2  
12 in (305mm)  
2+2 ohms  
MS-12SD4  
12 in (305mm)  
4+4 ohms  
MS-15SD2  
15 in (381mm)  
2+2 ohms  
Nominal impedance:  
Minimum impedance @ 105Hz:  
4.5 ohms  
9 ohms  
4.4 ohms  
8.7 ohms  
4.2 ohms  
Power handling  
Peak:  
1,200W  
600W  
300W  
250W  
1,200W  
600W  
300W  
250W  
1,800W  
900W  
450W  
350W  
1,800W  
900W  
450W  
350W  
1,800W  
900W  
450W  
350W  
Continuous music1:  
NBR2:  
AES3:  
Sensitivity (1W @ 1m):  
87dB SPL  
3.8dB  
87dB SPL  
3.8dB  
87dB SPL  
4.5dB  
87dB SPL  
5.0dB  
87dB SPL  
3.6dB  
Power compression @ 0dB (nom. power):  
Power compression @ –3dB (nom. power)/2:  
Power compression @ –10dB (nom. power)/10:  
Frequency response @ –10dB:  
2.8dB  
2.8dB  
2.5dB  
3.3dB  
2.3dB  
2.7dB  
2.7dB  
0.5dB  
1.8dB  
1.0dB  
40Hz – 400Hz  
40Hz – 400Hz  
30Hz – 400Hz  
30Hz – 400Hz  
30Hz – 1kHz  
ThiELE-SMaLL ParaMETErS  
Fs:  
34Hz  
1.30 ft3 (37L)  
0.39  
34Hz  
1.38 ft3 (39L)  
0.48  
35Hz  
1.73 ft3 (49L)  
0.73  
37Hz  
1.66 ft3 (47L)  
0.86  
29Hz  
4.58 ft3 (130L)  
0.82  
Vas:  
Qts:  
Qes:  
0.40  
0.49  
0.78  
0.93  
0.87  
Qms:  
16.49  
18.56  
10.08  
10.45  
13.25  
Ho (half space):  
Sd:  
0.35%  
0.30%  
0.27%  
0.27%  
0.36%  
51.16 in2 (0.03301m2) 51.16 in2 (0.03301m2) 78.59 in2 (0.0507m2) 78.59 in2 (0.0507m2) 128.52 in2 (0.083m2)  
Vd (Sd x Xmax):  
12.08 in3 (198cm3)  
12.08 in3 (198cm3)  
20.08 in3 (329cm3)  
0.25 in (6.5mm)  
1.15 in (29.3mm)  
21.6 in3 (354cm3)  
32.88 in3 (539cm3)  
0.25 in (6.5mm)  
1.15 in (29.3mm)  
X
max (max. excursion (peak) with 10% distortion):  
0.23 in (6mm)  
0.23 in (6mm)  
0.27 in (7mm)  
Xlim (max. excursion (peak) before physical damage):  
0.77 in (19.5mm)  
0.77 in (19.5mm)  
1.15 in (29.3mm)  
Atmospheric conditions at TS parameter measurements  
Temperature:  
Atmospheric pressure:  
Humidity:  
77ºF (25ºC)  
1.047mb  
51%  
77ºF (25ºC)  
1.047mb  
51%  
77ºF (25ºC)  
1.047mb  
51%  
77ºF (25ºC)  
1.047mb  
51%  
77ºF (25ºC)  
1.047mb  
51%  
1Power handling specifications refer to normal speech and/or music program material, reproduced by an amplifier producing no more than 5% distortion.  
Power is calculated as true RMS voltage squared divided by the nominal impedance of the loudspeaker.  
2NBR Standard (10,303 Brazilian Standard).  
3AES Standard (60Hz – 600Hz).  
– Thiele-Small parameters are measured after a two-hour power test using half AES power. A variation of ±17% is allowed.  
8
 
aDDiTionaL ParaMETErS  
ßL:  
MS-10SD2  
13.3Tm  
MS-10SD4  
16.6Tm  
MS-12SD2  
12.6Tm  
MS-12SD4  
16.3Tm  
MS-15SD2  
13.2Tm  
Flux density:  
0.8T  
0.9T  
0.6T  
0.7T  
0.6T  
Voice-coil diameter:  
1.92 in (49mm)  
101.7 ft (31m)  
0.00358 1/ºC  
534.2ºF (279ºC)  
1.92 in (49mm)  
101.7 ft (31m)  
0.00372 1/ºC  
534.2ºF (279ºC)  
2.51 in (64mm)  
104.22 ft (31.8m)  
0.00388 1/ºC  
458.6ºF (237ºC)  
2.51 in (64mm)  
129.6 ft (39.5m)  
0.00344 1/ºC  
564.8ºF (296ºC)  
2.51 in (64mm)  
104.22 ft (31.8m)  
0.00388 1/ºC  
465.8ºF (241ºC)  
Voice-coil winding length:  
Wire temperature coefficient of resistance (∂25):  
Maximum voice-coil operation temperature:  
Өvc (max. voice-coil operation temp./max. power):  
2.15ºF/W (–16.6ºC/W) 2.15ºF/W (–16.6ºC/W) 1.31ºF/W (–17.1ºC/W) 1.61ºF/W (–16.9ºC/W) 1.31ºF/W (–17.1ºC/W)  
Hvc (voice-coil winding depth):  
0.79 in (20mm)  
0.31 in (8mm)  
3.7 ohms  
0.79 in (20mm)  
0.31 in (8mm)  
7.4 ohms  
0.83 in (21mm)  
0.31 in (8mm)  
3.7 ohms  
0.87 in (22mm)  
0.31 in (8mm)  
7.7 ohms  
0.82 in (21mm)  
0.31 in (8mm)  
3.7 ohms  
Hag (air gap height):  
Re:  
Mms:  
Cms:  
Rms:  
0.2 lb (91.6g)  
240µm/N  
0.19 lb (85.8g)  
250µm/N  
0.33 lb (149g)  
130µm/N  
0.3 lb (136.4g)  
130µm/N  
0.47 lb (223.1g)  
130µm/N  
1.2kg/s  
1kg/s  
3.3kg/s  
3.1kg/s  
3.1kg/s  
non-LinEar ParaMETErS  
Le @ Fs (voice-coil inductance @ Fs):  
5.297mH  
2.4352mH  
1.2227mH  
0.34 ohms  
6.96 ohms  
100.11 ohm  
2.9 mohm  
18.2mH  
11.644mH  
3.6917mH  
1.3332mH  
0.91 ohms  
11.12 ohms  
102.04 ohm  
17.2 mohm  
72.2mH  
6.193mH  
3.076mH  
1.639mH  
0.26 ohms  
8.75 ohms  
203.32 ohm  
0.9 mohm  
19.3mH  
9.692mH  
5.2016mH  
2.944mH  
6.594mH  
3.2527mH  
1.7867mH  
0.23 ohms  
8.91 ohms  
200.89 ohm  
1 mohm  
Le @ 1kHz (voice-coil inductance @ 1kHz):  
Le @ 20kHz (voice-coil inductance @ 20kHz):  
Red @ Fs:  
Red @ 1kHz:  
Red @ 20kHz:  
Krm:  
0.43 ohms  
15.18 ohms  
397.46 ohm  
1.1 mohm  
27.4mH  
Kxm:  
18.7mH  
www.jbl.com  
9
 
aDDiTionaL inForMaTion  
Magnet material:  
MS-10SD2  
Barium ferrite  
2.73 lb (1.24kg)  
MS-10SD4  
Barium ferrite  
2.73 lb (1.24kg)  
MS-12SD2  
Barium ferrite  
3.525 lb (1.6kg)  
MS-12SD4  
Barium ferrite  
3.525 lb (1.6kg)  
MS-15SD2  
Barium ferrite  
3.525 lb (1.6kg)  
Magnet weight:  
Magnet diameter x depth:  
5.79 in x 0.71 in  
5.79 in x 0.71 in  
6.65 in x 0.74 in  
6.65 in x 0.74 in  
6.65 in x 0.74 in  
(147mm x 18mm)  
(147mm x 18mm)  
(169mm x 19mm)  
(169mm x 19mm)  
(169mm x 19mm)  
Magnetic assembly weight:  
Frame material:  
7.32 lb (3.32kg)  
Aluminum  
7.32 lb (3.32kg)  
Aluminum  
9.04 lb (4.1kg)  
Aluminum  
9.04 lb (4.1kg)  
Aluminum  
9.04 lb (4.1kg)  
Aluminum  
Frame finish:  
Black epoxy  
Black epoxy  
Black epoxy  
Black epoxy  
Black epoxy  
Voice-coil material:  
Voice-coil former material:  
Cone material:  
Copper  
Kapton®  
Copper  
Copper  
Copper  
Copper  
Kapton  
Fiberglass  
Fiberglass  
Fiberglass  
Polypropylene  
0.07 ft3 (2.2L)  
8.95 lb (4.06kg)  
10.32 lb (4.68kg)  
13.2 in x 11.4 in x 6.9 in  
Polypropylene  
0.07 ft3 (2.2L)  
8.95 lb (4.06kg)  
10.32 lb (4.68kg)  
13.2 in x 11.4 in x 6.9 in  
Polypropylene  
0.13 ft3 (3.78L)  
11.9 lb (5.44kg)  
13.84 lb (6.28kg)  
15.3 in x 13.6 in x 7.9 in  
Polypropylene  
0.13 ft3 (3.78L)  
11.9 lb (5.44kg)  
13.84 lb (6.28kg)  
15.3 in x 13.6 in x 7.9 in  
Polypropylene  
0.18 ft3 (5.1L)  
13 lb (5.96kg)  
15.63 lb (7.1kg)  
18.1 in x 16.3 in x 8.9 in  
Volume displaced by woofer:  
Net weight:  
Gross weight:  
Carton dimensions (W x D x H):  
(335mm x 290mm x 175mm) (335mm x 290mm x 175mm) (390mm x 345mm x 200mm) (390mm x 345mm x 200mm) (460mm x 415mm x 225mm)  
MounTing inForMaTion  
Number of bolt-holes:  
8
8
8
8
8
Bolt-hole diameter:  
0.25 in x 0.31 in  
(6.5mm x 8mm)  
0.25 in x 0.31 in  
(6.5mm x 8mm)  
0.25 in x 0.31 in  
(6.5mm x 8mm)  
0.25 in x 0.31 in  
(6.5mm x 8mm)  
0.25 in x 0.31 in  
(6.5mm x 8mm)  
Bolt-circle diameter:  
9.57 in (243mm)  
9.05 in (230mm)  
8.97 in (228mm)  
9.57 in (243mm)  
9.05 in (230mm)  
8.97 in (228mm)  
11.5 in (292mm)  
11 in (280mm)  
10.9 in (277mm)  
11.5 in (292mm)  
11 in (280mm)  
10.9 in (277mm)  
14.4 in (367mm)  
13.8 in (353mm)  
13.7 in (350mm)  
Baffle cutout diameter (front mount):  
Baffle cutout diameter (rear mount):  
Connectors:  
Silver-plated push terminals Silver-plated push terminals Silver-plated push terminals Silver-plated push terminals Silver-plated push terminals  
Polarity:  
Positive voltage applied to  
the positive terminal (red)  
Positive voltage applied to  
the positive terminal (red)  
Positive voltage applied to  
the positive terminal (red)  
Positive voltage applied to  
the positive terminal (red)  
Positive voltage applied to  
the positive terminal (red)  
gives forward cone motion. gives forward cone motion. gives forward cone motion. gives forward cone motion. gives forward cone motion.  
Minimum clearance between the back  
of the magnetic assembly and the  
enclosure wall:  
3 in (75mm) 3 in (75mm) 3 in (75mm) 3 in (75mm) 3 in (75mm)  
10  
 
DIMENSIONS  
MS-10SD2, MS-10SD4  
MS-12SD2, MS-12SD4  
MS-15SD2  
Ø10.74"  
(Ø273mm)  
Ø12.8"  
(Ø326mm)  
Ø15.8"  
(Ø403mm)  
0.25" x 8 (8x)  
(6.5mm x 8 (8x))  
0.25" x 8 (8x)  
(6.5mm x 8 (8x))  
0.25" x 8 (8x)  
(6.5mm x 8 (8x))  
Ø9.56"  
(Ø243mm)  
Ø11.5"  
(Ø292mm)  
Ø14.4"  
(Ø367mm)  
5.7"  
(145mm)  
6.73"  
(171mm)  
7.71"  
(196mm)  
6.25"  
(159mm) (228mm)  
8.97"  
7.2"  
10.9"  
7.2"  
13.7"  
(183mm) (277mm)  
(183mm) (350mm)  
www.jbl.com  
11  
 
HARMAN Consumer, Inc.  
8500 Balboa Boulevard, Northridge, CA 91329 USA  
© 2011 HARMAN International Industries, Incorporated. All rights reserved.  
JBL is a trademark of HARMAN International Industries, Incorporated, registered  
in the United States and/or other countries. Kapton is a registered trademark of  
E.I. du Pont de Nemours and Company. Features, specifications and appearance  
are subject to change without notice.  
 

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