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ALPHA- Serie 100W- 200W
Recommended for professional audio and bass guitar applications as a mid-range. Sealed basket makes this
woofer independent of enclosure design.
SPECIFICATION - Nominal Basket Diameter 8“, 203.2 mm
- Nominal Impedance 8 ohms
- Power Rating Watts 125 W / Music Program 250 W
- Resonance 514 Hz
- Usable Frequency Range 400 Hz - 4.8 kHz
- Sensitivity 100.9
- 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) 514 Hz
- DC Resistance (Re) 7.32
- Coil Inductance (Le) 0.34 mH
- Mechanical Q (Qms) 4.48
- Electromagnetic Q (Qes) 2.08
- Total Q (Qts) 1.42
- Compliance Equivalent Volume (Vas) 0.8 liters / 0.03 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 0cc
- Mechanical Compliance of Suspension (Cms) 0.01 mm/N
- BL Product (BL) 8.9 T-M
- Diaphragm Mass inc. Airload (Mms) 6.9 grams
- Efficiency Bandwidth Product(EBP) 247
- Maximum Linear Excursion (Xmax) 1.6 mm
- Surface Area of Cone (Sd) 205.9 cm²
- Maximum Mechanical Limit (Xlim) 3.0 mm
MOUNTING Information - Recommended Enclosure Volume
Sealed N/A
Vented N/A - Overall Diameter 8.22“, 208.8 mm
- Baffle Hole Diameter 7.19“, 182.5 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
- Pressed steel basket with closed back
- Paper Cone
- Paper cone edge
- Solid composition paper dust cap
| 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
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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
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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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Nominal Specifications
* Nominal Diameter 8“, 200 mm
* Overall Diameter 8.81/8.18“, 223.8/207.9 mm
* Bolt Circle Diameter 8.27“, 210 mm
* Baffle Cutout Diameter 7.24“, 184 mm
* Depth 4.59“, 116.7 mm
* Flange and Gasket Thickness 0.42“, 10.7 mm
Electrical Specifications
* Minimum Impedance 5.9 Ohm
* Nominal Impedance 8 Ohm
* Nominal Power Handling*** 200 W
* Maximum Power Handling**** 400 W
* Sensitivity (1W/1m) 92 dB
* Frequency Range 80 - 5000 Hz
* Voice Coil Diameter 2“, 52 mm
* Winding Material Aluminium
* Former Material Glass Fiber
* Winding Depth 0.76“, 19.3 mm
* Magnetic Gap Depth 0.27“, 7 mm
* Flux Density 1.05 T
THIELE & SMALL Parameters
* Resonant Frequency (fs) 74 Hz
* DC Resistance (Re) 5.1 Ohm
* BL Product (BL) 8.9 N/A
* Diaphragm Mass inc. Airload (Mms) 23 grams
* Mechanical Compliance of Suspension (Cms) 0.2 mm/N
* Rms 2 Kg/s
* Electromagnetic Q (Qes) 0.69
* Mechanical Q (Qms) 5.30
* Total Q (Qts) 0.61
* Compliance Equivalent Volume (Vas) 0.32 ft³, 9 dm³
* Surface Area of Cone (Sd) 27.5“², 177.3 cm²
* Maximum Linear Excursion (Xmax)* 8.48 mm
* Xdamage** 12.9 mm
* Coil Inductance (Le) 0.6 mH
* Diaphragm mass (Mmd) 21.6 g
* Eta Zero 0.5 %
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
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Recone kit for FPW8N8150
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