REDCATT 35FR

4Ω

Full-range

Nominal diameter	3.5″ / 93 mm
Resonance	67 Hz
Q factor	0.34
Sensitivity	82.9 dB
Linear excursion	± 6.1 mm
Program Power	50 W

REDCATT 35FR Full-range

Specifications

Sensitivity (1W, 1m, infinite baffle) SPL1W 82.9dB

Thiele & Small parameters

Resonance frequency (free air) fS 67Hz
Mechanical quality factor QMS 4.35
Electrical quality factor QES 0.37
Total quality factor QTS 0.34

Large signal parameters

Maximum linear excursion (one way) xmax 6.1mm
Air volume displaced at xmax VD 24cm³
Power handling P 25W
Program power Pmax 50W

Voice Coil

Nominal impedance Z 4Ω
DC resistance RE 3.5Ω
Inductance (1kHz) LE 0.14mH
VC Diameter 25.4mm
Winding height HVC 6.9mm
Winding material Copper
Former material Aluminum

Magnet

Force factor Bl 5.46N/A
Motor constant Bl/√RE 2.92N/√W
Air gap height HAG 8mm
Material Ferrite

Diaphragm

Effective diameter 70mm
Effective area SD 38.5cm²
Moving mass MMS 7.5g
Moving mass (without air load) MMD 7.3g
Material Paper

Suspensions

Stiffness KMS 1.33N/mm
Compliance CMS 754µm/N
Equivalent volume to the compliance VAS 1.6L
Mechanical resistance RMS 0.73N·s/m
Surround material Rubber
Spider material Nomex

Dimensions

Nominal diameter 3.5″
93mm
Overall diameter 93mm
Baffle cutout diameter 85mm
Mounting depth 51mm
Volume occupied by the driver (estimated) 0.33L
Net weight 0.85kg

REDCATT 35FR SPL & Impedance

REDCATT 35FR Dimensions

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