Celestion - TN1230 300W 8ohm LF Neodimio

Celestion - TN1230 300W 8ohm - LF Pressed Steel Chassis Loudspeaker - Neodimio
Altoparlante da 12" con chassis in acciaio stampato, magnete in neodimio, bobina da 3", potenza 300Watt, impedenza 8ohm

Caratteristiche
- 12" Bass and mid-range speaker driver unit provides 300Wrms (AES standard) power handling and 97dB sensitivity
- 3" high-temperature copper voice coil wound on polyimide for increased reliability
- 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-loaded cone with sealed surround and damping contributes to lower distortion
- Rigid chassis design for maximum energy transfer

Specifiche Generali
Nominal diameter: 305mm/12in
Power rating(1): 300Wrms
Sensitivity(2): 97dB
Nominal impedance: 8ohm
Frequency range: 50-4000Hz
Voice coil diameter: 75mm/3in
Chassis type: Pressed steel
Magnet type: Neodymium
Coil material: Round copper
Former material: Polyimide
Cone material: Kevlar loaded paper
Surround material: Cloth-sealed
Suspension: Single
Xmax(3): 3.75mm/0.148in
Gap depth: 10mm/0.39in
Voice coil winding width: 17.5mm/0.69in

Parametri di Thiele-Small
D: 0.26m/10.24in
Fs: 54.8Hz
Mms: 56.11g/1.98oz
Qms: 3.11
Qes: 0.30
Mmd: 49.19g/1.74oz
Qts: 0.28
Re: 5.33ohm
Vas: 59.86lt/2.11ft3
BI: 18.45Tm
Cms: 0.15mm/N
Rms: 6.22kg/s
Le (at 1kHz): 0.94mH

Informazioni di Montaggio
Overall diameter: 309mm/12.17in
Overall depth: 132mm/5.20in
Cut-out diameter: 283mm/11.14in
Mounting slot dimensions: Ø7.9mm/0.31in
Number of mounting slots: 4
Mounting PCD range: 297mm/11.69in
Unit weight: 2.0kg/4.4lb

Note
(1)Tested for two hours using a continuous, band-limited pink noise signal as per AES standard.
Power calculated on minimum impedance. Loudspeaker tested in free air.
(2)Continuous Power Rating is defined as 3dB greater than the AES rating.
(3)Measured on axis at 1W, 1m in 2pi anechoic environment.
(4)Xmax derived from: (voice coil winding width-gap depth)/2.
(5)Small signal parameters measured after unit subjected to pre-conditioning signal.

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