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Manufacturer Part Number: 290-308
Overview: These silver polymer cone woofers feature a cosmetic stamped steel frame, vented and bumped back plate, and high-quality rubber surround. The relatively shallow profile, polymer construction, and T/S parameters make them great for automotive environments.
These silver polymer cone woofers feature a cosmetic stamped steel frame, vented and bumped back plate, and high-quality rubber surround. The relatively shallow profile, polymer construction, and T/S parameters make them great for automotive environments.
Nominal Diameter: 6-1/2"
Power Handling (RMS): 80 Watts
Power Handling (max): 170 Watts
Impedance: 4 ohms
Frequency Response: 35 to 5,000 Hz
Sensitivity: 90 dB 2.83V/1m
Voice Coil Diameter: 1"
Magnet Weight: 20 oz.
Resonant Frequency (Fs): 55 Hz
DC Resistance (Re): 3.7 ohms
Voice Coil Inductance (Le): 0.3 mH
Mechanical Q (Qms): 3.79
Electromagnetic Q (Qes): 0.87
Total Q (Qts): 0.71
Compliance Equivalent Volume (Vas): 0.55 ft.?
Mechanical Compliance of Suspension (Cms): 0.57 mm/N
BL Product (BL): 4.61 Tm
Diaphragm Mass Inc. Airload (Mms): 14.6g
Maximum Linear Excursion (Xmax): 2.5 mm
Surface Area of Cone (Sd): 139.7 cm²
Materials of Construction
Cone Material: Poly
Surround Material: Rubber
Basket / Frame Material: Steel
Magnet Material: Ferrite
Overall Outside Diameter: 7"
Baffle Cutout Diameter: 5.875"
# Mounting Holes: 4
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
Sealed Volume: 1 ft.?
Sealed F3: 66 Hz
Vented Volume: 1.53 ft.?
Vented F3: 35 Hz
Goldwood GW-S650/4 6-1/2" Poly Cone Woofer 4 Ohm
Part Number: 290-308
Product Category: Woofers
Unit of Measure: EA
Product Rating: (26 Reviews)
Weight: 2.8 lbs.
California Prop 65 Warning: California residents only. Please note per Proposition 65 that this product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
NOTE: International/PO BOX deliveries are not available.
This product does not ship to the APO address and the following state(s): HI, AK, PR.
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