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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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JBL 124-58001-00 Woofer from JBL for control 28 speaker. - JBL Control 28 Factory Speaker Woofer Part # 124-58001-00
- This is a complete brand new JBL, Control 28 woofer
- Voice coil: 1-1/2" (25mm)
- Diameter: 8-1/4" (210mm) 9-1/4" (235mm) diagonally
- Impedance: 8 ohm, DCR: 6 ohm
- Poly cone with rubber edge
- Fits JBL Driver and Cabinet Models:
JBL: Control 28, Control 28T, Control 28T60, Control 28WH, 123-10002-00, 1231000200124-58001-00, 1245800100
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Recone kit γιά το FPW8N8150
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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
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- 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
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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 6.5 Ohm
* Nominal Impedance 8 Ohm
* Nominal Power Handling*** 150 W
* Maximum Power Handling**** 300 W
* Sensitivity (1W/1m) 94 dB
* Frequency Range 80 - 6300 Hz
* Voice Coil Diameter 2“, 52 mm
* Winding Material Aluminium
* Former Material Glass Fiber
* Winding Depth 0.53“, 13.5 mm
* Magnetic Gap Depth 0.31“, 8 mm
* Flux Density 1 T
THIELE & SMALL Parameters
* Resonant Frequency (fs) 76 Hz
* DC Resistance (Re) 5.8 Ohm
* BL Product (BL) 9.86 N/A
* Diaphragm Mass inc. Airload (Mms) 20.9 grams
* Mechanical Compliance of Suspension (Cms) 0.2 mm/N
* Rms 2.11 Kg/s
* Electromagnetic Q (Qes) 0.59
* Mechanical Q (Qms) 4.72
* Total Q (Qts) 0.53
* Compliance Equivalent Volume (Vas) 0.42 ft³, 11.9 dm³
* Surface Area of Cone (Sd) 31“², 200 cm²
* Maximum Linear Excursion (Xmax)* 5.42 mm
* Xdamage** 12 mm
* Coil Inductance (Le) 0.55 mH
* Diaphragm mass (Mmd) 19.4 g
* Eta Zero 0.85 %
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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