| Content |
General
|
| Product type |
Cone driver |
| Brand |
Sica |
| Reference |
8E2CS |
| Product code |
Z005110C |
Informations
|
| Nominal impedance |
4 ohm |
| Dimensional category |
8.5 inch |
| Manufacturer sensitivity |
96.7 dB |
| Calculated sensitivity |
95.59 dB |
| Nominal power handling |
130 W |
| Max power handling |
260 W |
Fundamental parameters
|
| Sd |
213.8 cm² |
| Mms |
19.5 gr |
| Cms |
280 µm/N |
| Le |
0.53 mH |
| Re |
3.07 ohm |
| BL |
10.33 T.m |
Small signal parameters
|
| Fs |
68.1 Hz |
| Qes |
0.24 |
| Qms |
9.71 |
| Qts |
0.23 |
| Vas |
18 L |
Datas
|
| Flux density |
1 T |
| Xmax |
±1.5 mm |
| EBP |
284 Hz |
| Fs / Qts |
296 Hz |
| Vas * Qts² |
0.96 L |
| Efficiency |
2.27 % |
| Calculated efficiency |
2.28 % |
| Weight |
~3.2 kg |
Dimensions
|
| Voice coil diameter |
2 inch |
| Outside diameter |
210 mm |
| Baffle cutout diameter |
179.5 mm |
| Depth |
91 mm |
| Front thickness |
8.5 mm |
| Depth after front |
82.5 mm |
| Diamètre aimant (mm) |
134 mm |
Shape & Materials
|
| Front chape |
Cylindrical |
| Magnet type |
Ferrite |
| Winding material |
Copper |
| Voice coil former |
Kapton |
| Surround shape |
Double roll |
| Surround material |
Cloth |
| Dome material |
Paper |
|
- 95.5 dB sensitivity 1 W / 1 m
- 200 W + 80 W Power Handling
- 2" + 1.75" Aluminum Sandwich Voice Coil
- Single Point Source providing coherent Wave Front
- 90° conical Dispersion
- Optimal for compact 2-way Systems
- Ligh weight Carbon Fiber Diaphragm
|
Nominal Specifications - Nominal Diameter 8“, 200 mm
- Overall Diameter 8.81/8.18“, 223.7/207.9 mm
- Bolt Circle Diameter 8.27“, 210 mm
- Baffle Cutout Diameter 7.20“, 183 mm
- Depth 3.88“, 98.5 mm
- Flange and Gasket Thickness 0.43“, 10.8 mm
Electrical Specifications - Minimum Impedance 7 Ohm
- Nominal Impedance 8 Ohm
- Nominal Power Handling*** 200 W
- Maximum Power Handling**** 400 W
- Sensitivity (1W/1m) 95 dB
- Frequency Range 70 - 5000 Hz
- Voice Coil Diameter 2“, 52 mm
- Winding Material Aluminium
- Former Material Glass Fiber
- Winding Depth 0.65“, 16.5 mm
- Magnetic Gap Depth 0.31“, 8 mm
- Flux Density 1.15 T
THIELE & SMALL Parameters - Resonant Frequency (fs) 65 Hz
- DC Resistance (Re) 5.7 Ohm
- BL Product (BL) 13.5 N/A
- Diaphragm Mass inc. Airload (Mms) 25,3 grams
- Mechanical Compliance of Suspension (Cms) 0.24 mm/N
- Rms 3.38 Kg/s
- Electromagnetic Q (Qes) 0.32
- Mechanical Q (Qms) 3.1
- Total Q (Qts) 0.29
- Compliance Equivalent Volume (Vas) 0.46 ft³, 12.9 dm³
- Surface Area of Cone (Sd) 30.38“², 196 cm²
- Maximum Linear Excursion (Xmax)* 6.92 mm
- Xdamage** 15.7 mm
- Coil Inductance (Le) 0.46 mH
- Diaphragm mass (Mmd) 23.7 g
- Eta Zero 1.06 %
Notes
- *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
- **Maximum excursion before permanent damage
- ***2 Hours Test According to AES 2-1984 Rev. 2003
- ****Maximum power is defined as 3dB greater than nominal power
|
Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
8 "
Nominal Diameter
200 mm
Voice Coil
1.46 "
Voice Coil
37 mm
Overall diameter
209.2 mm
Pitch Circle Diameter
196.9 mm
Cut- out Measurement
178 mm
Mounting holes
8
Diameter of fixing holes
6 mm
Depth
89 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
130 W
maximum rated load
260 W
Sensitivity (1 W / 1 m)
95 dB
Frequency response
60 - 5000 Hz
Voice Coil Material
Aluminum
Magnet
Ferrite
Depth of the magnetic gap
6 mm
Thiele & Small Parameter
Fs (Resonance Frequency)
80 Hz
Re (DC resistance)
5.9 Ohm(s)
Qms (mechanical quality)
13
Le (inductance of the voice coil)
0.44 mH
Qes (electrical quality)
0.66
Qts (overall quality)
0.63
Vas (equivalent volume)
13.6
Mms (moving mass)
15 g
BL (power factor)
8.2 T/m
Xmax (maximum displacement)
4.67 mm
Cms (elasticity of the suspension)
0.36 mm/N
Sd (membrane area)
191 cm²
Rms (mechanical loss resistance)
0.6 kg/s
Weight
2,2 kg
| ALPHA- Serie 100W- 200W
Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a vented
satellite enclosure.
SPECIFICATION
- Nominal Basket Diameter 8“, 203.2 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 125 W / Music Program 250 W
- Resonance 73 Hz
- Usable Frequency Range 58 Hz - 5 kHz
- Sensitivity 94
- Magnet Weight 20 oz.
- Gap Height 0.25“, 6.35 mm
- Voice Coil Diameter 1.5“, 38.1 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 73 Hz
- DC Resistance (Re) 5.3
- Coil Inductance (Le) 0.44 mH
- Mechanical Q (Qms) 4.6
- Electromagnetic Q (Qes) 0.68
- Total Q (Qts) 0.59
- Compliance Equivalent Volume (Vas) 17.7 liters / 0.6 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 67 cc
- Mechanical Compliance of Suspension (Cms) 0.28 mm/N
- BL Product (BL) 7.8 T-M
- Diaphragm Mass inc. Airload (Mms) 17 grams
- Efficiency Bandwidth Product (EBP) 107
- Maximum Linear Excursion (Xmax) 3.2 mm
- Surface Area of Cone (Sd) 210.0 cm²
- Maximum Mechanical Limit (Xlim) 7.1 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 5-7 liters / 0.18-0.25 cu. ft.
Vented 16.7-25.5 liters / 0.59-0.90 cu. ft.
- Overall Diameter 8.24“, 209.2 mm
- Baffle Hole Diameter 7.13“, 181 mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.22“, 5.5 mm
- Mounting Holes B.C.D. 7.75“, 196.9 mm
- Depth 3.25“, 83 mm
MATERIALS of Construction
- Copper voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
|
50 mm (2 in) copper voice coil
70 - 3000 Hz response
94 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Shorting copper cap for extended HF response
400 W continuous program power capacity
Ventilated voice coil gap for reduced power compression
Compatible with NEXO PS8
- Specifications
- Nominal diameter200 mm (8.0 in)
- Nominal impedance8 Ω
- Minimum impedance6.6 Ω
- Nominal power handling *200 W
- Continuous power handling *400 W
- Sensitivity (1W/1m) *94.0 dB
- Frequency range65 - 3000 Hz
- Voice coil diameter51 mm (2.0 in)
- Winding materialCopper
- Former materialGlass Fibre
- Winding depth17 mm (0.65 in)
- Magnetic gap depth8 mm (0.31 in)
- Flux density1.05 T
- Design
- Surround shapeDouble Roll
- Cone shapeExponential
- Magnet materialNeodymium Inside Slug
- SpiderSingle
- Pole designStraight Pole
- Woofer cone treatmentTWP Waterproof Both Sides
- Recommended enclosure14.0 dm3 (0.49 ft3)
- Recommended tuning65 Hz
- Parameters *
- Fs66 Hz
- Re5.3 Ω
- Qes0.41
- Qms3.6
- Qts0.37
- Vas14.0 dm3 (0.5 ft3)
- Sd220.0 cm2 (34.1 in2)
- η₀1.0 %
- Xmax7.0 mm
- Xvar7.0 mm
- Mms28 g
- Bl12.4 Txm
- Le0.5 mH
- EBP160 Hz
- Mounting And Shipping Info
- Overall diameter225 mm (8.8 in)
- Bolt circle diameter210 mm (8.3 in)
- Baffle cutout diameter187.0 mm (7.4 in)
- Depth90 mm (3.5 in)
- Flange and gasket thickness11 mm (0.4 in)
- Air volume occupied by driver1.1 dm3 (0.04 ft3)
- Net weight1.8 kg (4.0 lb)
- Shipping units1
- Shipping weight2.2 kg (4.8 lb)
- Shipping box300x160x180 mm (11.8x6.3x7.1 in)
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