Calculator for Bass Reflex (Vented) Cabinet

Bass Reflex Cabinet (Vented Cabinet) according to Hoge			Internal volume with one decimal Please enter decimal separator as "."
------------------------------ Driver -------------------------------			-------- Bass Reflex Tube --------
Resonance Frequency fs in Hz:	Equivalent volume of compliance Vas in litre:	Driver's total Q factor Qts:	Diameter in cm: *)	No of Tubes:*)
	Cabinet volume in litres:
	Cut-off frequency f3 (-3dB) in Hz:
	Cut-off frequency f8 (-8dB) in Hz:
	Efficiency in dB (1W/1m):
*) Please note: The bass reflex tube should have at least 1/3 of the driver's diameter to prevent singing noise (for two tubes ¼, for 3 tubes 1/5, for four 1/6). .	Length of bass reflex tube(s) in cm
	Diameter of bass reflex tube(s) in cm
	No of bass reflex tubes
	Total area of bass reflex tube(s) in cm2
			Ql
This set-up provides the highest precision and a flat frequency response (according to Hoge)
© Lautsprechershop Daniel Gattig GmbH, 2004. All rights reserved - Warranty excluded

Total Q factor Qts correction
Resistors, cables or a coils that are being used to connect a loudspeaker show a DC resistance. This DC resistance has an influence on total Q facto Qts and, therefore, needs to be considered. The following calculator makes it a little bit easier for you; the result is automatically entered into to calculator at the top.

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