User's Manual
3
Parameters HFi12S4 HFi12D4
W iring Single Series Co ils
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 W atts
Maxx 600 600 W atts
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
In ch e s/ M illim e t e rs
Port Length 5.6 / 142.2 5 / 127
In ch e s/ M illim e t e rs
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
In ch e s/ M illim e t e rs
Port Length 5 / 127 4.6 / 116.84
In ch e s/ M illim e t e rs
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