Wavecor FR070WA04

4Ω Neo 4Ω Ferrite 8Ω Neo

8Ω Ferrite

Mid-range

Nominal diameter	2.75″ / 70 mm
Resonance	117 Hz
Q factor	0.98
Sensitivity	82.7 dB
Program Power	20 W

Wavecor FR070WA04 Mid-range

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 82.7dB
Frequency response 117 - 20000Hz

Thiele & Small parameters

Resonance frequency (free air) fS 117Hz
Mechanical quality factor QMS 12.70
Electrical quality factor QES 1.07
Total quality factor QTS 0.98

Large signal parameters

Power handling P 10W
Program power Pmax 20W

Voice Coil

Nominal impedance Z 8Ω
DC resistance RE 6.4Ω
Inductance (1kHz) LE 0.11mH
VC Diameter 22mm
Winding height HVC 7mm

Magnet

Force factor Bl 2.9N/A
Motor constant Bl/√RE 1.15N/√W
Air gap height HAG 3mm
Weight 0.115kg

Diaphragm

Effective diameter 52mm
Effective area SD 21cm²
Moving mass MMS 1.9g
Moving mass (without air load) MMD 1.8g

Suspensions

Stiffness KMS 1.03N/mm
Compliance CMS 970µm/N
Equivalent volume to the compliance VAS 0.61L
Mechanical resistance RMS 0.11N·s/m

Dimensions

Nominal diameter 2.75″
70mm
Volume occupied by the driver (estimated) 0.11L
Net weight 0.29kg

Wavecor FR070WA04 SPL & Impedance

Wavecor FR070WA04 Dimensions

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fS	114 Hz
SD	21 cm²
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