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10"- 500W

Professional Woofer 10 N2,5 - 8 Ω Code Z005701

GENERAL CHARACTERISTICS Nominal Overall Diameter ................. 268 mm Nominal Voice Coil Diameter .............. 65 mm Magnet Weight ............................... 220 g Flux Density................................... 1.34 T Weight ......................................... 2.2 Kg

Ω Hz

Ω W W dB

n° 8 holes 6x9 on Ø247.0

Ø268.0

Ø 232.0

g µm/N Wb/m lt. mm % cm2 Ω mH

40.0

8.0 104.0

CONSTRUCTIVE CHARACTERISTICS Magnet................................. Neodymium Voice Coil Winding................... Aluminium Voice Coil Former.................... Kapton Cone ................................... Paper Surround............................... Treated Cloth Dust Dome ............................ Solid Paper Basket ................................. Aluminium Die-Cast

64.0

4.0

THIELE-SMALL PARAMETERS Voice Coil DC Resistance ........... RE 5.44 Resonance Frequency ............... fs 60.7 Mechanical Q Factor................. QMS 10.29 Electrical Q Factor................... QES 0.31 Total Q Factor........................ QTS 0.31 Mechanical Moving Mass ............ MMS 30.8 Mechanical Compliance ............. CMS 220 Force Factor .......................... B×l 14.27 Equivalent Acoustic Volume........ VAS 37.7 Maximum Linear Displacement .... XMAX +/-2.0 2.58 Reference Efficiency ................ η0 Diaphragm Area ...................... SD 346.3 Losses Electrical Resistance........ RES 177.6 Voice Coil Inductance @ 1kHz ..... LE 0.50

ELECTRICAL CHARACTERISTICS Nominal Impedance........................... 8 Musical Power ................................. 500 Rated Power* .................................. 250 Sensitivity @ 1 W, 1 m ....................... 98.0

98.0

*rated power measured with 2 hours test with pink noise signal, 6 dB crest factor, loudspeaker mounted on enclosure Thiele-Small parameters measured with LASER system

Frequency Response on IEC Baffle (DIN 45575) @ 1 W, 1 m - Impedance 500

+110

+105 200

+100

+95

d

100

+90 50

B S

+85

P L

+80

20

+75 10 +70 5 +65 3 +60 20

50

100

200

500

Hz

1k

2k

5k

10k

Due to continuing product improvement, the features and the design are subject to change without notice. SICA Altoparlanti s.r.l. - ITALY – website: www.sica.it - E-mail: lab@sica.it - Tel. +39-071-7958072 - Fax +39-071-7959006

20k

24/11/06


10N2,5

GRAPHICS AND MEASUREMENTS

10” speaker – 2,5”voice coil

Force factor Bl (X) Bl [N/A] -Xprot < X < Xprot

17.5

Xp- < X < Xp+

Bl (-X)

KLIPPEL 15.0

+110 +105 +100

12.5

+95

10.0

d +90 B +85 S P +80 L

7.5

+75

5.0

+70 2.5

+65 +60 20

0.0 -5 -4 << Coil in

-3

-2

-1

0 X [mm]

1

2

3

4 5 coil out >>

50

100

200

500

1k

2k

5k

10k

20k

Hz

Frequency Response: enclosure volume 35l, port tuning 67Hz (thick curve on axis, thin curve 30° off axis)

Bl(X): force factor variation with voice coil displacement

Electrical inductance Le (X)

Increase of voice coil temperature Delta Tv(t) and electrical input power(t)

Le [mH] 0.60

Nominal Power

Xp- < X < Xp+

Voice coil temperature

KLIPPEL

0.55

350 500

0.50

Nominal Power [W]

0.45 0.40 0.35 0.30 0.25

300

400

250 200

300

150 200 100

0.20

100

0.15

50

0.10

0

0.05

0 0

12

25

39

52

0.00

79

92

105

119

t [sec] -5 -4 << Coil in

-3

-2

-1

0 X [mm]

1

2

3

4 5 coil out >>

Le: electrical inductance variation with voice coil displacement

Power test done with intermittent excitation, ON interval 2min, duty cycle 50%, pink noise signal 6dB crest factor with frequency range 50-2000Hz.

Mechanical compliance Cms (X)

Stiffness of suspension Kms (X) Cms [mm/N]

Kms [N/mm] 10

65

-Xprot < X < Xprot

Xp- < X < Xp+

Kms (-X)

KLIPPEL

9

0.250

-Xprot < X < Xprot

Xp- < X < Xp+

Cms (-X)

KLIPPEL

0.225

8

0.200

7

0.175

6

0.150

5

0.125

4

0.100

3

0.075

2

0.050

1

0.025 0.000

0 -5 -4 << Coil in

-3

-2

-1

0 X [mm]

1

2

3

4 5 coil out >>

Kms: stiffness of suspension variation with voice coil displacement

-5 -4 << Coil in

-3

-2

-1

0 1 X [mm]

2

3

4

5 coil out

Cms: mechanical compliance variation with voice coil displacement

Voicec Coil Temperature [°C]

-Xprot < X < Xprot

Alt.Neodymium Sica 10 500W 8R Fs 60,7 Hz - Manual Sonigate  

Ø268.0 Ø 232.0 40.0 98.0 4.0 +110 +100 +105 +60 +65 +70 +75 +80 +85 +90 +95 500 100 200 d B 10 20 50 S P L n° 8 holes 6x9 on Ø247.0 3 5 Ω 40...

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