Specifications

M-104D
Optimum Sealed Vol. Standard Metric
Gross Vb Internal 0.75 cu.ft 21.24 Liters
F3 (-3dB Cutoff) 45Hz 45Hz
Poly-Fill Yes Yes
Qtc .822 .822
Pe (Watts-Rms) 100-325 Watts 100-325 Watts
Acceptable Volumes (.75-1.25 cu. ft) (21.24-35.4 Liters)
Optimum Ported Vol. Standard Metric
Gross Vb Internal 1.25 cu.ft 35.4 Liters
Circular Port 3” x 8.4” D 7.62cm x 21.38cm D
Fb (Box Tuning) 38Hz 38Hz
F3 (-3dB Cutoff) 33Hz 33Hz
Pe (Watts-Rms) 100-325 Watts 100-325 Watts
Subsonic Filter Setting If Applicable 34Hz 34Hz
M-124
Optimum Sealed Vol. Standard Metric
Gross Vb Internal 1.25 cu.ft 35.4 Liters
F3 (-3dB Cutoff) 42Hz 42Hz
Poly-Fill Yes Yes
Qtc .954 .954
Pe (Watts-Rms) 100-375 Watts 100-375 Watts
Acceptable Volumes (1.0-3.75 cu. ft) (28.32-106.19 Liters)
Optimum Ported Vol. Standard Metric
Gross Vb Internal 2.0 cu.ft 56.63 Liters
Circular Port 4” x 11” D 10.16cm x 27.94cm D
Fb (Box Tuning) 35Hz 35Hz
F3 (-3dB Cutoff) 33Hz 33Hz
Pe (Watts-Rms) 100-375 Watts 100-375 Watts
Subsonic Filter Setting If Applicable 33Hz 33Hz