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<blockquote data-quote="Sythlord79" data-source="post: 3062165" data-attributes="member: 573500">Im a noob and trying to compare Subwoofers. I was wondering what each of these specs mean. Does it tell me accuracy? how much air pressure I&#039;d feel? what do these numbers mean exactly? I was hoping to have a better sense of what the differences between subs when comparing. I just randomly picked this sub&#039;s specs as an example. Thanks!Nominal Impedance (Znom): 4 ohmThermal Power Handling (Pt): 400WDriver Displacement: 0.096 cu. ft. / 2.72 litersFree Air Resonance (Fs): 23.66 HzElectrical “Q” (Qes): 0.465Mechanical “Q” (Qms): 6.774Total Speaker “Q” (Qts): 0.435Equivalent Compliance (Vas): 4.793 cu. ft. / 135.74 litersOne-Way, Linear Excursion (Xmax)*: 0.610 in. / 15.5 mmReference Efficiency (no): 0.371%Efficiency (1W/1m)**: 87.90 dB SPLEffective Piston Area (Sd): 103.850 sq. in. / 0.0670 sq. m.DC Resistance (Re): 3.569 ohmNet Weight: 17.75 lbs. / 8.05 kg</blockquote>

[QUOTE="Sythlord79, post: 3062165, member: 573500"] Im a noob and trying to compare Subwoofers. I was wondering what each of these specs mean. Does it tell me accuracy? how much air pressure I'd feel? what do these numbers mean exactly? I was hoping to have a better sense of what the differences between subs when comparing. I just randomly picked this sub's specs as an example. Thanks! Nominal Impedance (Znom): 4 ohm Thermal Power Handling (Pt): 400W Driver Displacement: 0.096 cu. ft. / 2.72 liters Free Air Resonance (Fs): 23.66 Hz Electrical “Q” (Qes): 0.465 Mechanical “Q” (Qms): 6.774 Total Speaker “Q” (Qts): 0.435 Equivalent Compliance (Vas): 4.793 cu. ft. / 135.74 liters One-Way, Linear Excursion (Xmax)*: 0.610 in. / 15.5 mm Reference Efficiency (no): 0.371% Efficiency (1W/1m)**: 87.90 dB SPL Effective Piston Area (Sd): 103.850 sq. in. / 0.0670 sq. m. DC Resistance (Re): 3.569 ohm Net Weight: 17.75 lbs. / 8.05 kg [/QUOTE]

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