4-inch Drivers
04F038C01
The 04F038C01 is a compact 4-inch ferrite full-range driver for bookshelf speakers, soundbars and portable audio. It delivers 40 W nominal power with 86 dB sensitivity and a 110 Hz–18 kHz frequency response, using a 38.5 mm CCAW voice coil in a pressed-steel basket. Ferrite magnet, pressed steel basket. Suitable for compact two-way and column systems.
Specifications
- Nominal Diameter
- 4" / 100 mm
- Rated Impedance
- 8 ohm
- Sensitivity (1W/1m)
- 86 dB
- Frequency Range
- 110 Hz - 18 kHz
- Voice Coil Diameter
- 38.5 mm
- Net Weight
- 1.09 kg
The 04F038C01 is a 4-inch ferrite full-range driver designed for compact loudspeaker systems. Key specifications are listed in the table on this page. Full Thiele-Small parameters available on request – contact contact@brave-audio.com.
GENERAL SPECIFICATIONS
Nominal Diameter | 4" / 100 mm |
Rated Impedance | 8 ohm |
Nominal Power Handling | 40 W |
Program Power | 80 W |
Sensitivity (1W/1m) | 86 dB |
Frequency Range | 110 Hz - 18 kHz |
Minimum Impedance (Zmin) | 5.6 ohm |
Voice Coil Diameter | 38.5 mm |
Voice Coil Material | CCAW |
Former Material | Fibre Glass |
VC Winding Depth | 10.2 mm |
Number of Layers | 2 |
Basket | Pressed Steel |
Magnet | Ferrite, 90 x 15 mm |
MOUNTING INFORMATION
Overall Diameter | 102 x 102 mm |
Bolt Circle Diameter | 110 mm |
Bolt Hole Diameter | 5 mm |
Baffle Cut-out Diameter | 93.5 mm |
Overall Depth | 68 mm |
Net Weight | 1.09 kg |
Shipping Weight | 21.6 kg / 18 pcs |
Shipping Carton Size | 360 x 350 x 180 mm |
THIELE-SMALL PARAMETERS
Fs (Resonance Frequency) | 110 Hz |
Re (DC Resistance) | 5.6 ohm |
Qms (Mechanical Factor) | 9.22 |
Qes (Electrical Factor) | 0.80 |
Qts (Total Factor) | 0.736 |
Mms (Moving Mass) | 6.52 g |
BL Factor | 5.66 T.m |
Vas (Equivalent Air Load) | 1.29 liters |
Sd (Piston Area) | 52.81 cm2 |
Xmax (Linear Excursion) | 2.1 mm |
Half-space Efficiency | 0.2 % |
