Professional Loudspeakers
Your Global Driver Solutions Partner
Celestion International Ltd, Claydon Business Park, Great Blakenham, Ipswich IP6 ONL, UK
Celestion adopts a progressive policy and reserve the right to alter drive unit specifications and/or appearance without prior notice 08/05
TF1530
General Specifications
Nominal diameter (mm/in)...................................... 381/15
Power rating (AES, W rms) ......................................... 400
Nominal impedance (
Ω
) ................................................. 8
Voice coil diameter (mm/in)........................................ 76/3
Magnet type............................................................ Ferrite
Magnet weight (kg/oz)............................................2.44/86
Chassis type ................................................. Pressed steel
Sensitivity (dB) .............................................................. 99
Frequency range (Hz)........................................... 40-3000
Coil material ............................................... Round copper
Former material .................................................. Polyimide
Cone material ..................................... Kevlar loaded paper
Surround material .......................................... Cloth-sealed
Suspension ............................................................. Single
Xmax (mm/in)...................................................... 2.0/0.08
Gap depth (mm/in)............................................... 8.0/0.31
Voice coil winding width (mm/in) ....................... 12.0/0.47
Small Signal Parameters
D (m/in) .......................................................... 0.33/12.99
Fs(Hz) .......................................................................... 45
Mair (g/oz) ......................................................14.15/0.499
Mmd (g/oz) ...................................................... 77.70/2.74
Qms .......................................................................... 4.20
Qes ........................................................................... 0.42
Qts ........................................................................... 0.38
Re(
Ω
) ...................................................................... 5.70
Vas (lt/ft3) ........................................................ 141.2/4.99
Bl (Tm) ................................................................... 18.70
Cms (mm/N) .............................................................. 0.14
Rms (kg/s) ................................................................. 6.13
Le(mH).......................................................................1.08
Mounting Information
Overall diameter (mm/in) .................................. 385/15.16
Overall depth (mm/in).......................................... 163/6.42
Cut-out diameter (mm/in).................................. 352/13.86
Mounting slot dimensions (mm/in)..... 9.2 x 6.2/0.36 x 0.24
Number of mounting slots ............................................... 8
Mounting PCD range (mm/in) ............................ 369/14.56
Unit weight (kg/lb)................................................ 6.1/13.4
Packed Dimensions & Weight
Single pack size W x D x H (mm/in)...........410 x 410 x 180
............................................................ /16.1 x 16.1 x 7.1
Single pack weight (kg/lb) ...................................... 8/17.6
Multi pack (45) size W x D x H (mm/in) .... 1200 x 1000 x 980
.......................................................... /47.2 x 39.4 x 38.6
Multi pack (45) weight (kg/lb) .............................. 370/816
• High output bass and mid range driver
• Large magnet for high sensitivity and greater power handling
• High temperature copper voice coil wound on polyimide for
increased reliability
• Double roll surround for greater excursion control
• Superb price/performance ratio
Frequency Response and Impedance Curves
FREQUENCY (Hz) Measured - 1W @ 1m, 2π
