KAPPA-15A American Standard Series Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar. SPECIFICATION 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 […]
KAPPA-15A American Standard Series
Recommended for professional audio in a vented mid-bass or bass enclosure. Also suitable for bass guitar.
SPECIFICATION
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
THIELE & Small Parameters
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
DELTA-15A Series Standard American
Recommended for professional audio as a mid-bass or vocal wedge in a sealed enclosure. Also suitable as a
mid-bass or woofer in vented enclosures.
SPECIFICATION
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.
Nominal diameter
15in/381mm
Power Rating
400W
Sensitivity
98dB
Frequency Range
42-3500Hz
Voice coil
diameter
3in/76.2mm
Magnet type
Neodymium
Weight
2.6kg/5.7lb
99dB sensitivity
400Wrms continuous power handling (measured to AES Standard)
Saturated gap technology for lower harmonic distortion
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