Επαγγελματικό Μεγάφωνο 12” LSN12/4 χάρτινου κώνου με υφασμάτινη ενίσχυση
Τύπος: Επαγγελματικό Subwoofer
Διάμετρος: 12” – 30cm
Χάρτινος Κώνος Με Υφασμάτινη Ενίσχυση
Ακροδέκτες Press Type
Ισχύς RMS: 500Watt
Ισχύς MAX: 1000Watt
Αντίσταση: 4Ω
Ευαισθησία: 97dB
Απόκριση Συχνοτήτων: 56 – 3500Hz
Διάμετρος Πηνίου Φωνής: 100mm – 4”
Διάμετρος Εσοχής: 28.5cm
Βάρος Μαγνήτη: 125oz
Βάθος Τοποθέτησης: 12cm
Βάρος: 9.8kg
Παράμετροι:
Fs: 56Hz
Qes: 0.33
Qms: 8.10
Qts: 0.32
For use in 2-way or compact 3-way systems, the 1225 bass and mid range driver has a high sensitivity and excellent power handling characteristics.
General specifications
Nominal diameter (mm/in)
305/12
Power Rating (AES, W rms)
250
Nominal impedance (Ω)
8
Voice coil diameter (mm/in)
63.5/2.5
Magnet type
Ceramic
Magnet weight (kg/oz)
1.2/42
Chassis type
Pressed steel
Sensitivity (dB)
97
Frequency range (Hz)
40-4000
Coil material
Round copper
Former material
Polyimide
Cone material
Kevlar loaded paper
Surround material
Cloth-sealed
Suspension
Single
Xmax (mm/in)
2.4/0.09
Gap depth (mm/in)
8.0/0.31
Voice coil winding width (mm/in)
12.7/0.50
Small Signal Parameters
D (m/in)
0.26/10.24
Fs (Hz)
63
Mmd (g/oz)
39.60/1.40
Mair
Qms
6.70
Qes
0.54
Qts
0.50
Re (Ω)
5.13
Vas (lt/ft3)
54.5/1.92
BI (Tm)
13.20
Cms (mm/N)
0.14
Rms (kg/s)
2.76
Le (mH)
Mounting Information
Overall diameter (mm/in)
309/12.17
Overall depth (mm/in)
130/5.12
Cut-out diameter (mm/in)
283/11.14
Mounting slot dimensions (mm/in)
Ø 7.9/0.31
Number of mounting slots
4
Mounting slot PCD range (mm/in)
297/11.69
Unit weight (kg/lb)
4.1/9.0
Packed Dimensions and Weight
Single pack size W x D x H (mm/in)
330 x 330 x 150/13.0 x 13.0 x 5.9
Single pack weight (kg/lb)
3/6.6
Multipack (60) size W x D x H (mm/in)
1080 x 980 x 880/42.5 x 38.6 x 34.6
Multipack (60) weight (kg/lb)
190/419
Μεγάφωνο subwoofer 12“, 1000W, 95dΒ, 11.8kg
2000 W continuous program power capacity
100 mm (4 in) copper voice coil
45 – 1000 Hz response
95 dB sensitivity
Aluminium demodulating ring allows a very low distortion figure
Double silicone spider with optimized compliance
Ventilated voice coil gap for reduced power compression
BETA- 12A Series Standard American
Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also
works well for PA in a sealed or bandpass enclosure.
SPECIFICATION
Nominal Basket Diameter 12", 304.8 mm
Nominal Impedance 8 ohms
Power Rating Watts 250 W / Music Program 500 W
Resonance 47 Hz
Usable Frequency Range 43 Hz - 3.8 kHz
Sensitivity 98
Magnet Weight 38 oz.
Gap Height 0.312", 7.92 mm
Voice Coil Diameter 2", 50.8 mm
THIELE & Small Parameters
Resonant Frequency (fs) 47 Hz
DC Resistance (Re) 5.0
Coil Inductance (Le) 0.64 mH
Mechanical Q (Qms) 6.00
Electromagnetic Q (Qes) 0.50
Total Q (Qts) 0.46
Compliance Equivalent Volume (Vas) 120.1 liters / 4.2 cu. ft.
Peak Diaphragm Displacement Volume (Vd) 237 cc
Mechanical Compliance of Suspension (Cms) 0.29 mm/N
The B&C 12NW100 speaker is designed to produce bass, it is typically a 12 inch usable as a bass power speaker in a subwoofer for a compact system often transported. The 12NW100 will delight you with bass-reflex or band-pass load, its significant admissible electrical power makes it a real machine for producing bass, however, special care must be taken with the amplification dedicated to it.
2000 W continuous program power capacity
100 mm (4 in) copper voice coil
45 - 1500 Hz response
96 dB sensitivity
FEA optimized Neodymium magnet assembly
Double silicone spider with optimized compliance
Ventilated voice coil gap for reduced power compression
General
Product type
Cone driver
Brand
B&C Speakers
Reference
12NW100
Product code
ALT12NW1008
Informations
Nominal impedance
8 ohm
Dimensional category
12.5 inch
Frequency coverage type
Sub, Low, Midbass
Manufacturer sensitivity
96 dB
Calculated sensitivity
93.76 dB
Nominal power handling
1000 W
Bandwidth
45÷1500 Hz
Fundamental parameters
Sd
531 cm²
Mms
119 gr
Le
1.9 mH
Re
5.1 ohm
BL
28 T.m
Small signal parameters
Fs
42 Hz
Qes
0.21
Qms
3.6
Qts
0.2
Vas
44 L
Datas
Xmax
±9 mm
Calculated Xmax
±10.5 mm
EBP
200 Hz
Zmin
6.2 ohm
Fs / Qts
210 Hz
Vas * Qts²
1.76 L
Efficiency
1.7 %
Calculated efficiency
1.5 %
Weight
~8.2 kg
Recommended load volume
50 L
Fréquence d'accord liée à la charge
50 Hz
Dimensions
Voice coil diameter
4 inch
Winding depth
25 mm
Gap height
12 mm
Outside diameter
319 mm
Baffle cutout diameter
281 mm
Front thickness
13 mm
Depth after front
124 mm
Shape & Materials
Front chape
Cylindrical
Magnet type
Neodymium
Basket masterial
Aluminium
Winding material
Copper
Voice coil former
Glass fiber
12” neodymium woofer offers 300Wrms (AES) continuous power handling and 98dB sensitivity
3” high temperature Inside/Outside voice coil efficiently dissipates heat, preventing sensitivity loss through thermal compression
M-roll surround provides progressive excursion control, yielding a smooth response even at extremes of frequency range
Extremely lightweight design combined with a highly efficient magnet assembly results in exceptional power-to-weight ratio
Intelligent heat management in both chassis and magnet assembly design further minimizes distortion
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