3 vejs filter til PA Beyma / RCF |
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JH
Enthusiast Joined: 23 Aug 2009 Location: Nivå Online Status: Offline Posts: 142 |
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Topic: 3 vejs filter til PA Beyma / RCF Posted: 19 Apr 2013 at 20:21 |
Hasselstream,
Jeg tror du skal bruge et mellemtone horn imellem diskant og 8 tommer RCF for at få lyden til at hænge sammen, og for at undgå forvrænging fra diskant og resonanser fra mellemtone.
Hilsen JH
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Hasselstream
Newbie Joined: 25 Jan 2012 Location: Vejen Online Status: Offline Posts: 15 |
Quote Reply Posted: 11 Apr 2013 at 16:39 |
Data:
RCF L8L750 •Nominal Diameter: 200 / 8 mm/inch •Rated Impedance: 16 O •Power handling capacity: 150 W AES •Sensitivity: 98.7 dB •Frequency Range: 90 Hz ÷ 7000 Hz Beyma CP-21/F 25W/8 Ohms, 140º x 40º dispersion (HxW), 1.5" voice coil, Cut Off 4,5kHz. Weight: 1.75kg Beyma - 15K200 Nominal Basket Diameter 15" / 380mm Impedance 8 ohms RMS Power Rating 300 Watts Program Power 600 Watts Frequency Response 25Hz - 2.0kHz Sensitivity (1W/1m) 98dB Voice Coil Diameter 4" / 100mm Recom. Enclosure Volume 2.12-5.3 ft3 / 60-150 Liters Voice Coil Length 21 mm Air Gap Height 9 mm X Damage (peak to peak) 28 mm BL Factor 20.5 N/A Magnetic Assembly Weight 19.846 lb. / 9 kg. Baffle Cutout Diameter- - Front Mount 13.85" / 352mm - Rear Mount 13.97" / 355mm Volume Displaced By Driver 0.25 ft3 / 7 Liters Overall Depth 5.31" / 135mm Net Weight 22.92 lb. / 10.4 kg. Thiele-Small Parameters Resonant Frequency (fs) 27 Hz Impedance (Re) 6.3 ohms Coil Inductance (Le) 1.2 mH Mechanical Q (Qms) 9.01 Electrical Factor(Qes) .27 Total Q (Qts) .26 Comp. Equivelant Vol. (Vas) 12.18 ft3 / 345 Liters Voice Coil Overhang (Xmax) 7.5 mm Surface Area of Cone (Sd)m2 0.0880m2 Reference Efficiency 2.5% Displacement Volume (Vd) 660 cm3 |
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Hasselstream
Newbie Joined: 25 Jan 2012 Location: Vejen Online Status: Offline Posts: 15 |
Quote Reply Posted: 11 Apr 2013 at 16:37 |
Hej herinde.
Jeg har købt mig nogle enheder og et delfilter. Beyma k-200 15" RCF L8750 8" Beyma CP 21F 1,5" Link til billeder af enheder samt delfilter. I linket er der også et billede af de tidligere kasser, hvor beyma k200 sad i et horn (scoop) og mallemtone og diskant sad i et kabinet for sig. Jeg skal bruge disse toppe i sammen spil med cubo 15 horn kasser. toppe skal trækkes af en behringer inuke 3000 og bundene også af en inuke 3000. Cx3400 delfilter skal dele top og bund. Jeg vil gerne vide om det nuværende filter kan bruges i et par nye kasser hvori bas, mellemtone og diskant sidder i samme kasse. (mellemtone i eget kammer) Og toppene må gerne kunne bruges alene som en all around højttaler. Link til mit cubo 15 projekt. de er færdige. På forhånd tak for hjælpen. |
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