B & C Speakers 15-PS76 Μεγάφωνο subwoofer 15ʼʼ, 1100W, 99dΒ

Woofer 15 400WRMS 99dB
 
High efficiency 15" woofer with a very flat frequency
response up to 2 kHz and high power handling (800W). Good
LF performance, smooth voice response, and compatibility
with compact bass-reflex enclosures, the 15 PK 40 achieves
perfect balance in two-way systems.

Specifications
Nominal Diameter 380 mm (15 in)
Nominal Impedance 8 Ω
Minumum Impedance 6.2 Ω
Power Handling
(50 –500 Hz)
Nominall 400 W
Continuous Program2 800 W
Sensitivity (1W/1m)3 99 dB
Frequency Range 50-2000 Hz
Voice Coil Diameter 76 mm (3 in)
Winding Material Copper
Former Material Glass Fibre
Winding Depth 16 mm (5/8 in)
Magnetic Gap Depth 9 mm (11/32 in)
Flux Density 1.1 T

Thiele & Small Parameters4
Fs 47 Hz
Re 5.1 Ω
Qes 0.33
Qms 5.1
Qts 0.31
Vas 140 dm3 (4.9 ft3)
Sd 855 cm2 (132.5 in2)
η0 4.2%
X max ± 4 mm
X var ± 6 mm
Mms 84 g
Bl 19.7 T·m
Le 2.3 mH

Mounting and Shipping Information
Overall Diameter 394 mm (15.5 in)
Bolt Circle Diameter 374 mm (14.6 in)
Baffle Cutout Diameter 355 mm (13.9 in)
Depth 162 mm (6.4 in)
Flange and Gasket Thickness 16 mm (5/8 in)
Net Weight 8.3 kg (18.3 lb)
Shipping Weight 9.6 kg (21.1 lb)
Shipping Box 450x450x200 mm
(17.7x17.7x8 in)
1 2 hours test made with continuous pink noise signal (6 dB crest factor) within the
specified range. Power calculated on rated minimum impedance. Loudspeaker in
free air.
2 Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
3 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. Average
SPL from 200 to 2000Hz.
4 Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning
test.

Recommended for professional audio as a mid-bass or floor monitor in a sealed enclosure. Also suitable as a woofer in vented, bass guitar or PA enclosures.

 15 υψηλής ισχύος, low frequency, 600W AES vented gap cooling, 16Ω

The 2226J 15" low frequency transducer represents the results of JBL's latest engineering research in high power transducer design. For increased power handling while reducing power compression, a unique direct voice coil-to-air heat dissipation method called Vented Gap Cooling has been used. This process pumps air through the magnetic gap and directly over and around the voice coil to provide immediate heat transfer and reduction in operating temperature. Through the use of new computer-aided magnet optimization and analysis techniques comes a new weight-optimized Symmetrical Field Geometry (SFG) magnet structure, resulting in a reduction of overall driver weight and a significant reduction in harmonic distortion. This new magnet structure offers much of the weight advantage of rare earth magnet structures without their prohibitive cost. Specifications: *Power handling: 600 watts RMS *Voice coil diameter: 4" *Nominal impedance: 16 ohms *Frequency Range: 30-2,500 Hz *Magnet assembly weight: 15 lbs. *Fs: 40 Hz *SPL: 97 dB 1W/1m *Vas: 6.2 cu. ft. *Qms: 5.0 *Qes: 0.33 *Qts: 0.31 *Xmax: 7.6 mm *Dimensions: Overall Diameter: 15-1/4“, Cutout Diameter: 14“, Mounting Depth: 5-1/2“.

KAPPA-15A American Standard Series

Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar.

• Nominal Basket Diameter 15“, 381 mm
• Nominal Impedance 16 ohms
• Power Rating Watts 450 W / Music Program 900 W
• Resonance 33 Hz
• Usable Frequency Range 52 Hz - 2.3 kHz
• Sensitivity 100.5
• Magnet Weight 80 oz.
• Gap Height 0.375“, 9.53 mm
• Voice Coil Diameter 3“, 76.2 mm

• Resonant Frequency (fs) 33 Hz
• DC Resistance (Re) 5.22
• Coil Inductance (Le) 1.05 mH
• Mechanical Q (Qms) 8.90
• Electromagnetic Q (Qes) 0.33
• Total Q (Qts) 0.32
• Compliance Equivalent Volume (Vas) 321.3 liters / 11.35 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 343 cc
• Mechanical Compliance of Suspension (Cms) 0.31 mm/N
• BL Product (BL) 15.7 T-M
• Diaphragm Mass inc. Airload (Mms) 76 grams
• Efficiency Bandwidth Product (EBP) 98
• Maximum Linear Excursion (Xmax) 4.0 mm
• Surface Area of Cone (Sd) 856.3 cm²
• Maximum Mechanical Limit (Xlim) 11.6 mm

• Recommended Enclosure Volume
  Sealed N/A
  Vented 45-113 liters/1.6-4 cu.ft.
• Overall Diameter 15.16“, 384.9 mm
• Baffle Hole Diameter 13.77“, 349.6 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.25“, 6.4 mm
• Mounting Holes B.C.D. 14.56“, 369.9 mm
• Depth 6.13“, 156 mm

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap

Μεγάφωνο woofer νεοδυμίου 15“, 500W,
99.5dΒ, 4.6kg