Rockford Fosgate FNX2405 - Manual (Page 9)

Midrange Model Number FNX2404 FNX2405 FNX2406U FNX2406
Nominal Diameter 4" 51⁄4" 6" 61⁄2"
Nominal Impedance 4
Ω
4
Ω
4
Ω
4
Ω
Frequency Response 50Hz–8kHz 40Hz–6kHz 40Hz–6kHz 35Hz–5kHz
Fs (Hz) 104Hz 87Hz 61Hz 72Hz
Qes .920 .732 .507 .902
Qms 4.360 4.083 3.330 4.226
Qts .735 .621 .440 .743
Vas (ft3/liter) .07/2.0 .13/3.9 .31/8.8 .72/20.3
Xmax (in/mm) .11/2.9 .15/3.7 .15/3.7 .15/3.7
Sensitivity 85.9dB 87.5dB 87.9dB 88.5dB
RMS Power Handling 70 Watts 70 Watts 70 Watts 70 Watts
Mounting Diameter 90.48mm 113.50mm 129mm 139.06mm
(3
9⁄16
") (4
15⁄32
") (5
1⁄16
") (5
1⁄2
")
Mounting Depth 54mm (2
1⁄8
") 60mm (2
3⁄8
") 48mm (1
7⁄8
") 65mm (2
9⁄16
")
– 6 –
S
PECIFICATIONS
(Specifications are subject to change without notice)