Goldwood 4″ Shielded Poly Woofer 4 ohm
$21.00
Description
Goldwood 4″ Shielded Poly Woofer 4 Ohm
The poly-laminated paper cone, treated foam surround, and polymer dustcap give these drivers a very smooth frequency response with minimal cone breakup. The shielded magnet structure of this driver makes it great for A/V applications.
Product Specifications:
- Nominal Diameter: 4-1/2″
- Power Handling (RMS): 40 Watts
- Power Handling (max): 70 Watts
- Impedance: 4 ohms
- Frequency Response: 70 to 13,000 Hz
- Sensitivity: 86 dB 1W/1m
- Voice Coil Diameter: 1″
- Magnet Weight: 10 oz.
Thiele-Small Parameters:
- Resonant Frequency (Fs): 139.8 Hz
- DC Resistance (Re): 3.7 ohms
- Voice Coil Inductance (Le): 0.1 mH
- Mechanical Q (Qms): 7.19
- Electromagnetic Q (Qes): 2.2
- Total Q (Qts): 1.69
- Compliance Equivalent Volume (Vas): 0.04 ft.³
- Mechanical Compliance of Suspension (Cms): 0.24 mm/N
- BL Product (BL): 2.84 Tm
- Diaphragm Mass Inc. Airload (Mms): 5.2g
- Maximum Linear Excursion (Xmax): 1.5 mm
- Surface Area of Cone (Sd): 53.52 cm²
Materials of Construction:
- Cone Material: Treated Paper
- Surround Material: Foam
- Magnet Material: Ferrite
Mounting Information:
- Overall Outside Diameter: 5″ outside edge to edge, 4.15″
- Baffle Cutout Diameter: 4″
- Depth: 2.5625″
- # Mounting Holes: 4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion):
- Sealed Volume: 0.02 ft.³
- Sealed F3: 161 Hz
- Vented Volume: 0.66 ft.³
- Vented F3: 71 Hz
Additional information
| Weight | 4 lbs |
|---|---|
| Dimensions | 8 × 8 × 6 in |
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