Celestion TN range TN1230 Технические характеристики
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TN1230
• 12" mid/bass driver with 3.0" voice coil, providing 300Wrms (AES)
continuous power handling
• FEA optimised neodymium magnet assembly design for lower
weight and reduced harmonic distortion
• "M-Roll" surround provides progressive excursion control yielding
a smooth response curve at extremes of frequency range
• Kevlar-impregnated cone with sealed surround and damping
contributes to lower distortion
• Rigid chassis design for maximum energy transfer,
and vented magnet assembly for efficient cooling
Frequency Response and Impedance Curves
110
90
70
Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
+44 (0)1473 835300 [email protected] www.celestionprofessional.com
Celestion adopts a progressive policy and reserve the right to alter drive unit specifications and/or appearance without prior notice 08/05
70
50
30
Measured - 1W @ 1m, 2π
General Specifications
Nominal diameter (mm/in) .......................................305/12
Power Rating (AES, W rms) ..........................................300
Nominal impedance ( Ω ) ...................................................8
Voice coil diameter (mm/in) ...................................76.2/3.0
Magnet type.....................................................Neodymium
Chassis type ..................................................Pressed steel
Sensitivity (dB) ...............................................................97
Frequency range (Hz) ............................................50-4000
Coil material..................................................Round copper
Former material ...................................................Polyimide
Cone material.......................................Kevlar loaded paper
Surround material............................................Cloth-sealed
Suspension...............................................................Single
Xmax (mm/in) ...................................................3.75/0.148
Gap depth (mm/in)..............................................10.0/0.39
Voice coil winding width (mm/in)..........................17.5/0.69
Small Signal Parameters
D (m/in)............................................................0.26/10.24
F
(Hz) ........................................................................49.0
s
M
(g/oz)........................................................53.04/1.86
md
M
g/oz)............................................................6.92/0.24
air
Q
............................................................................5.46
ms
Q
.............................................................................0.28
es
Q
.............................................................................0.27
ts
R
( Ω ) ........................................................................5.13
e
V
(lt/ft
) ..........................................................70.27/2.76
3
as
BI (Tm) .......................................................................18.3
C
(mm/N) ................................................................0.18
ms
R
(kg/s) ...................................................................3.38
ms
L
(mH).......................................................................0.94
e
Mounting Information
Overall Diameter (mm/in)....................................309/12.17
Overall depth (mm/in)...........................................132/5.20
Cut out diameter (mm/in) ...................................283/11.14
Mounting slot dimensions (mm/in) .........................7.9/0.31
Number of mounting slots ................................................4
Mounting slot PCD (mm/in).................................297/11.69
Unit weight (kg/lb)...................................................2.0/4.4
Packed Dimensions & 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) .......................................2.4/5.3
Multipack (60) size W x D x H (mm/in).....1008 x 980 x 860
.........................................................../39.7 x 38.6 x 33.9
Multipack (60) weight (kg/lb) .................................146/322
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