18" højttalerenhed, RCF LF18X401

18" højttalerenhed, RCF LF18X401

Fin stand, pillet ud af reservekasse som nærmest ikke er blevet brugt. Går dejligt dybt. Privat kontantsalg.
Nypris hos thomann: 2.400,-
Min pris: 1.000,-
Kontakt per sms, opkald besvares ikke.

Nominal Basket Diameter 18" / 460mm
Impedance 8 ohms
AES Power Rating 1,500 Watts
Program Power 3,000 Watts
Frequency Response 25Hz - 1.0kHz
Sensitivity (1W/1m) 97.5dB
Voice Coil Diameter 4" / 100mm
Max. Excursion Before Damage 2" / 50mm
Voice Coil Winding Depth 1.18" / 30mm
Top Plate Thickness .6" / 15mm
Number Of Layers 2

MATERIALS
Voice Coil Material Copper
Cone Material No Pressed Pulp
Cone Design Straight
Surround Material Polycotton
Surround Design Triple Roll

MOUNTING INFORMATION

Overall Diameter 18.3" / 465mm
Bolt Circle Diameter 17.4"-17.6"" / 442-447mm
Baffle Cutout Diameter 16.7" / 424mm
No. Of Mounting Holes 8
Mounting Hole Diameter 0.26" / 6.5mm
Overall Depth 7.4" / 188mm
Flange Thickness .55" / 14mm
Volume Displaced By Driver 6.5 Liters / .23ft^3
Net Weight 13.3 kg. / 29.3 lbs.
Shipping Weight 14.3 kg. / 31.5 lbs.

THIELE-SMALL PARAMETERS
Resonant Frequency (fs) 30 Hz
Impedance (Re) 5.4 ohms
Coil Inductance (Le) 2.5mH
Electromagnetic Q (Qes) .31
Mechanical Q (Qms) 7.4
Total Q (Qts) .30
Compliance Equivalent Vol. (Vas) 274 Liters/9.68cu. ft.
Voice Coil Overhang (Xmax) 11.5mm
BL Factor 26.5T-M
Effective Moving Mass (Mms) 215 grams
Surface Area of Cone(Sd) .122 m2
Reference Efficiency 2.3%