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I am selling my Beyma SCK-50 Component speakers for a BMW. They are 5 1/4's. Speakers are in great shape and only used for 7 months with a JL Audio 400/4 amp. I have front and rear sets. Should fit any 5 series and 3 series. I paid $250 for each pair. I am selling both pairs for $300. I had them in my last 530i and they were so crispy and clear. Better than my last pair of JL audio components and my MB Quarts. If you want to upgrade your sound system and have that high end sound without the drama, these are the way to go. Each pair comes with cross over and 2 tweeters.
Nominal diameter Nominal impedance Power handling / maximum Sensitivity Frequency range Resonant frequency, fs D.C. voice coil resistance, Re Mechanical quality factor, Qms Electrical quality factor, Qes Total quality factor, Qts Equivalent air volume to Cms, Vas Efficiency, ho (%) Effective surface area, Sd Xmax 130 mm. 5.25 in. 4 ohms 70 W RMS / 140 W 90 dB 1w @ 1m 60 - 9000 Hz 70 Hz 3.3 ohms. 3.4 1.4 1 5.5 l 0.2 85 cm2 |
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