Witam, czy ktos pomoże przeliczyc wymiary portu bas reflex prostokatnego. Producent zaleca skrzynie 9.9 L strojona na 35Hz z portem okraglym o srednicy 51mm i dlugosci 457m. Parametry glosnika : Free Air Resonance (Fs): 35.14 HzElectrical “Q”(Qes):0.501Mechanical “Q” (Qms):7.071Total Speaker “Q”(Qts):0.467Equivalent Compliance (Vas):0.54 ft³15.29 litresOne-way, Linear Excursion (Xmax)*:0.375 in10 mmEfficiency (1W/1m)**:83.24 dB SPLEffective Piston Area (Sd):32.02 in²0.021 m²DC Resistance (Re):3.77 ohmNominal Impedance:4 ohmPower Handling (continuous):250