Saturday 15 November 2014


 JML
Professional Audio



                                                                     3000 W continiuos power handling capacity
                                                                     99.2mm(4in)split winding copper voice coil
                                                            35-1000Hz response,96 dB sensitivity
                                                                      57mm peak to peak excursion before damage
                                                                            Double silicon spider with optimized compliance
                                                               Ventilated voice coil gap for reduced power compression
                                                                       Aluminium demoduling ring for very low distortion.
Specification


Nominal Diameter 460mm/18"
Nominal Impedance 8Ω 
Minimum Impedance 6.5Ω
Nominal Power Handling1 1500W
Continious Power Handling 2 3000W
Sensitivity (1W/1m)3 96.0dB
Frequency Range 35-1000Hz
Voice Coil Diameter 100mm (4 inch )
Winding Material Copper
Former Material Glass Fibre
Winding Depth 31 mm( 1.22 inch )
Magnet Gap Depth 15mm(0.59inch)
Flux Density Tesla 1.15Tesla

Graph




Design

Surround Shape Triple Roll
Cone Shape Radial
Magnet Material Ceramic
Spider Double Silicone
Pole Design T-Pole
Woofer Cone Treatment TWP Waterproof
 Both sides
Recommended encloser 200.0dm3 (7.06ft3)
Recommended tuning 32Hz

Parameters


Fs 32Hz
Re 3Ω
Qes 0.31
Qms 7.0
Qts 0.3
Vas 200.0dm3 (7.06ft3)
Sd 1680.0cm(260.4in2)
o
1.76%
Xmax 12.0mm
Xvar 14.0mm
Mms 245g
Bl 26.4Txm
Le 2.45mH
EBP 85Hz

 Mounting And Shipping Info

Overall Diameter                          460mm (18.0in)
Bolt Circle Diameter 442mm (17.4in)
Baffle Cutout Diameter 422.0mm (16.6in)
Depth 241mm (9.5in)
Flange and Gasket Thickness 16mm (0.61in)
Air Volume Occupied by Driver 11.0 dm3 (0.39 ft3)
Net Weight 15.1 kg (33.3lb)
Shipping Units
1
Shipping weight 16.6kg(36.6lb)
Shipping Box  500*500*250mm
(19.7*19.7*9.8in)


 JML
Professional Audio

Thursday 23 October 2014

JML JPD 1850 LF DRIVERS 18 Inches


JML
Professional Audio

JML JPD 1850 JMrofessionalAudio







1200 W continious program power capacity with 125mm (5 in) inside-outside voice coil, 35 - 2000 Hz response and 98 dB sensitivity.



Specification


Nominal Diameter 460mm/18"
Voice Coil Diameter 125mm/5.0"
Nominal Impedance 8Ω
Available In 8Ω
Power Rating 1200W(A.E.S)
Peak Power(6dB Crest Factor) 3200W(A.E.S)
Sensitivity(1w/1m) 98dB
Frequency Range 3Hz-2kHz
Recommended Enclosure Volume 90-220Litres
Resonance 33.15Hz
Voice Coil Winding Depth 28mm/1.1"
Magnet Gap Depth 12mm/0.47"
Flux Density Tesla 1.18Tesla
Magnet Material Ceramic
Voice Coil Material Copper
Former Material Glass Fibre
Dust Dome Material Paper
Suspension Material Fabric
Cone Surround Material Paper/Fabric


Thiele Small Parameters


Fs 33.15Hz
Re 5.2Ω
Qms 15.42
Qes 0.24
Qts 0.24
Le 1.33mh
L2 2.45mh
R2 5.3Ω
Vas 203.84Litres
Mms 215.24g
Sd 1164.16cm2
Cms 107µm/N
BL 30.99T/m
Xmax 11.05mm
Vd 1.28Litres
Ref. Efficiency 2.88%


Mounting and Shipping Information

Overall Diameter 474 mm
Width Across Flats 459 mm
Flange Height 14.5 mm
Depth (Excl. Flange) 175 mm
Magnet Diameter 280 mm
Chassis Shoulder Diameter 414.5 mm
Outer Bolt Circle 6 * MB on 455mm PCD
Inner Bolt Circle N/A
Nett Weight 22.8 Kg/50.26 lb.
Shipping Weight 26.6 Kg/58.64 lb.




























SPECIAL NOTE
JML Professional Audio


For orders and inquiry please visit our Contact Us page.


JML
Professional Audio