| Content | 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
- Nominal Basket Diameter 15“, 381 mm
- Nominal Impedance 4 ohms
- Power Rating Watts 400 W / Music Program 800 W
- Resonance 40 Hz
- Usable Frequency Range 48 Hz - 4 kHz
- Sensitivity 100
- Magnet Weight 56 oz.
- Gap Height 0.375“, 9.53 mm
- Voice Coil Diameter 2.5“, 63.5 mm
THIELE & Small Parameters
- Resonant Frequency (fs) 40 Hz
- DC Resistance (Re) 6.3
- Coil Inductance (Le) 0.64 mH
- Mechanical Q (Qms) 8.05
- Electromagnetic Q (Qes) 0.57
- Total Q (Qts) 0.53
- Compliance Equivalent Volume (Vas) 270.7 liters / 9.56 cu.ft
- Peak Diaphragm Displacement Volume (Vd) 233 cc
- Mechanical Compliance of Suspension (Cms) 0.26 mm/N
- BL Product (BL) 13.2 T-M
- Diaphragm Mass inc. Airload (Mms) 62 grams
- Efficiency Bandwidth Product (EBP) 70
- Maximum Linear Excursion (Xmax) 2.7 mm
- Surface Area of Cone (Sd) 864.6 cm²
- Maximum Mechanical Limit (Xlim) 11.1 mm
MOUNTING Information
- Recommended Enclosure Volume
Sealed 37-42.5 liters/1.3-1.5 cu.ft.
Vented 82-161.4 liters/2.9-5.7cu.ft.
- Overall Diameter 15.15“, 384.8 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 6.05“, 154 mm
MATERIALS of Construction
- Aluminum voice coil
- Polyimide former
- Ferrite magnet
- Vented core
- Pressed steel basket
- Paper Cone
- Cloth cone edge
- Solid composition paper dust cap
|
Neodymium coaxial speaker with 15" woofer, 8Ω,
400W Nominal, 800W continuous, 99dB
(1W/1m) and horn 80W Nominal, 160W
continuous, 105dB (1W/1m), response
frequency 40-18000Hz, dispersion 80 degrees,
5,6Kg.
| 800 W continuous program power capacity |
|
| 80° nominal coverage |
|
| 40 – 18000 Hz response |
|
| 99 dB sensitivity |
|
|
Single Neodymium magnet assembly
| Nominal Diameter |
380 mm (15 in) |
| Nominal Impedance |
8 ohm |
| Minimum Impedance |
6.0 ohm (LF)
8.0 ohm (HF) |
| Frequency Range |
40 - 18000 Hz |
| Dispersion Angle |
80° |
| LF Unit |
|
| Sensitivity (1W/1m) |
99 dB |
| Nominal Power Handling |
400 W |
| Continuous Power Handling |
800 W |
| Voice Coil Diameter |
76 mm (3 in) |
| Winding Material |
Copper |
| HF Unit |
|
| Sensitivity (1W/1m) |
105 dB |
| Nominal Power Handling |
80 W |
| Continuous Power Handling |
160 W |
| Voice Coil Diameter |
75 mm (3 in) |
| Winding Material |
Aluminium |
| Diaphragm Material |
Polyester/Titanium |
| Recom. Crossover |
1.2 kHz |
| Overall Diameter |
393 mm (15.5 in) |
| Bolt Circle Diameter |
374 mm (14.7 in) |
| Baffle Cutout Diameter |
353 mm (13.9 in) |
| Depth |
198 mm (7.8 in) |
| Flange and Gasket Thickness |
16 mm (5/8 in) |
| Net Weight |
5.6 kg (12.3 lb) |
| Shipping Weight |
7.0 kg (15.4 lb) |
| Shipping Box |
450x450x290 mm
(17.7x17.7x11.4 in) |
|
| 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. | LF B&C Speakers 15-PS76 Subwoofer Speaker 15 inch 1100W, 99dB
| Product type |
Cone driver |
| Brand |
B&C Speakers |
| Reference |
15PS76 |
| Product code |
ALT15PS768 |
Informations
|
| Nominal impedance |
8 ohm |
| Dimensional category |
15.5 inch |
| Frequency coverage type |
Sub, Low, Midbass |
| Manufacturer sensitivity |
99 dB |
| Calculated sensitivity |
96.92 dB |
| Nominal power handling |
550 W |
| Bandwidth |
40÷2000 Hz |
Fundamental parameters
|
| Sd |
855 cm² |
| Mms |
106 gr |
| Le |
1.3 mH |
| Re |
5 ohm |
| BL |
22.1 T.m |
Small signal parameters
|
| Fs |
38 Hz |
| Qes |
0.28 |
| Qms |
5.2 |
| Qts |
0.26 |
| Vas |
164 L |
Datas
|
| Xmax |
±7.5 mm |
| Calculated Xmax |
±7.6667 mm |
| EBP |
136 Hz |
| Zmin |
6.3 ohm |
| Fs / Qts |
146 Hz |
| Vas * Qts² |
11.09 L |
| Efficiency |
3.3 % |
| Calculated efficiency |
3.09 % |
| Weight |
~8.7 kg |
Dimensions
|
| Voice coil diameter |
3 inch |
| Winding depth |
19 mm |
| Gap height |
11 mm |
| Outside diameter |
393 mm |
| Baffle cutout diameter |
354 mm |
| Front thickness |
16 mm |
| Depth after front |
155 mm |
Shape & Materials
|
| Front chape |
Cylindrical |
| Magnet type |
Ferrite |
| Basket masterial |
Aluminium |
| Winding material |
Copper |
| Voice coil former |
Glass fiber |
| Surround material |
Cloth |
EAN 8059300642818 |
| 1400 W continuous program power capacity |
|
| 100 mm (4 in) copper voice coil |
|
| 35 – 2000 Hz response |
|
| 97 dB sensitivity |
|
| Double silicone spider with optimized compliance |
| Recommended for professional audio mid-range applications in a sealed cabinet, or as a mid-bass in a ventedsatellite enclosure.
Product type
Loudspeaker Chassis
Overall diameter
384.8 mm
Pitch Circle Diameter
369.9 mm
Cut- out Measurement
352.3 mm
Diameter of fixing holes
6.4 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
200 W
Sensitivity (1 W / 1 m)
97 dB
Frequency response
46 - 3500 Hz
Voice Coil Material
copper
Depth of the magnetic gap
6.35 mm
Fs (Resonance Frequency)
41 Hz
Re (DC resistance)
5.88 Ohm(s)
Qms (mechanical quality)
7.23
Le (inductance of the voice coil)
0.84 mH
Qes (electrical quality)
1.53
Qts (overall quality)
1.26
Vas (equivalent volume)
260
BL (power factor)
7.7 T/m
Xmax (maximum displacement)
3.8 mm
Cms (elasticity of the suspension)
0.25 mm/N
Sd (membrane area)
856.3 cm²
|
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