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Parameters HFi12S4 HFi12D4
Wiring Single Series Coils
NomZ 4.2 8.88 Ohm
Sd 0.05 0.05 sqM
Revc 3.5 7.4 Ohm
BL 10.85 13.92 TxM
Vas 104.86 107.4 Liter
Cms
278.74 285.49 uM/N
Mmd 109.41 97.39 Grams
Mms 116.12 104.1 Grams
Fs 27.98 29.2 Hz
Qms 5.12 4.64
Qes 0.607 0.729
Qts 0.542 0.63
no 0.366 0.354 %
SPL@1W 87.7 87.68 dB
Xmax 11 11 mm
Rms 300 300 Watts
Maxx 600 600 Watts
Box Volume 1.25 / 35.4 1.25 / 35.4
Cubic Feet / Liters
Qtc 0.96 0.94
F3 46 46
Hz
Box Volume 2.15 / 60.88 2.15 / 60.88
Cubic Feet / Liters
Qtc 0.87 0.8
F3 40 41
Hz
Box Volume 1.65 / 46.72 1.75 / 49.55
Cubic Feet / Liters
Fb 40 40
Hz
Port Size (inside diameter) 3 / 76.2 3 / 76.2
Inch es/ M illim et ers
Port Length 5.6 / 142.2 5 / 127
Inch es/ M illim et ers
F3 39 39
Hz
Box Volume 2.5 / 70.79 2.5 / 70.79
Cubic Feet / Liters
Fb 33 34
Hz
Port Size (inside diameter) 3 / 76.2 3 / 76.2
Inch es/ M illim et ers
Port Length 5 / 127 4.6 / 116.84
Inch es/ M illim et ers
F3 32 33
Hz
NOTE: All above box volumes are internal values and already include subwoofer and port displacement.
The F3 value represents the -3db cut off of the enclosure in Hz.
Polyfill may be added to sealed enclousres to reach the desired Q-Value.
HIFONICS HF SERIES SUBWOOFERS
CLOSED BOX DESIGNS (SEALED)
Standard Tight Bass
FEATURES ARE SUBJECT TO CHANGE WITHOUT NOTICE
Optimal Sound Quality-Flat Response
Standard Tight Bass
Optimal Sound Quality-Flat Response
VENTED BOX DESIGNS (ROUND PORT)
enclosures