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Fostex 3” FULL RANGE
FF85K Recommended Back Loaded Horn Type Enclosure Plans
Tall Boy Design using (2x) FW137 Woofers and (4x) FF85K Full Range
KENAF paper/ fiber composite cone
UDR surround "Up/Down surround"
Aluminum center cap
Frequency response from 122 Hz to 32 kHz
Flange 83 mm
Cut-out 71 mm
Depth 49 mm
Znom 8 ohm
Re 7.08 ohm
Le@1kHz - mH
fs 122 Hz
Qms 5.54
Qes 0.52
Qts 0.47
Mms 1.8 g
Cms 0.001 mm/N
Sd 0.0028 m2
BL 4.33 N/A
Vas 1.07 ltrs
Xmax 0.55 mm peak
VC Ø 20 mm
Sensitivity
1W / 1m 88 dB
Nom. Power 10 W
Net weight 565 g
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