Why pay more? The GRS 3FR-4 is a great replacement driver for the widely-used, 3"-size full range drivers found commonly in home theater systems, table radios, “sound bars”, and multimedia speaker systems, among many other uses. It’s also useful as a replacement for 3" woofers.
A sturdy stamped steel frame with “pincushion”-shaped mounting flange supports a robust ferrite ceramic magnet, and the coated paper cone with foam surround delivers clear sound that you might not expect from a driver this affordable.
Product Details:
- Brand GRS
- Model 3FR-4
- Part Number 292-436
- UPC 848864015194
- Unit of Measure Each
- Weight 0.7
Product Specifications:
- Nominal Diameter 3"
- Power Handling (RMS) 10 Watts
- Power Handling (MAX) 20 Watts
- Impedance 4Ω
- Frequency Response 100 to 16,000Hz
- Sensitivity 88dB 2.83V/1m
- Voice Coil Diameter 0.75"
Thiele-Small Parameters:
- Resonant Frequency (Fs) 145Hz
- DC Resistance (Re) 3.5Ω
- Voice Coil Inductance (Le) 0.4mH
- Mechanical Q (Qms) 4.76
- Electromagnetic Q (Qes) 1.03
- Total Q (Qts) 0.85
- Compliance Equivalent Volume (Vas) 0.02ft³
- Mechanical Compliance of Suspension (Cms) 0.4mm/N
- BL Product (BL) 3T·m
- Diaphragm Mass Inc. Airload (Mms) 3g
- Maximum Linear Excursion (Xmax) 2mm
- Surface Area of Cone (Sd) 31.2cm²
Materials of Construction:
- Cone Material Paper
- Surround Material Foam
- Basket / Frame Material Steel
- Magnet Material Ferrite
Mounting Information:
- Overall Outside Diameter 3.75"
- Baffle Cutout Diameter 2.82"
- Depth 1.69"
- # Mounting Holes 4
Recommended Enclosure Volume:
- Sealed Volume 0.06ft³
- Sealed F3 135.1Hz
- Vented Volume 0.06ft³
- Vented F3 101.6Hz
Documentation and Downloads
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