Celestion - NTR10-2520D 250W 8ohm LF Neodimio

Celestion - NTR10-2520D 250W 8ohm - LF Die Cast Chassis Loudspeaker - Neodimio
Altoparlante da 10" con chassis in fusione d'alluminio, magnete in neodimio, bobina da 2.5", potenza 250Watt, impedenza 8ohm

Caratteristiche
- 10" neodymium mid/bass unit offers 250Wrms (AES standard) power handling and 96dB sensitivity
- 2.5" 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 minimises distortion

Specifiche Generali
Nominal diameter: 254mm/10in
Power rating(1): 250Wrms
Nominal impedance: 8ohm
Sensitivity(2): 96dB
Frequency range: 55-3500Hz
Voice coil diameter: 64mm/2.5in
Chassis type: Cast aluminium
Magnet type: Neodymium
Coil material: Copper clad aluminium
Former material: Glass fibre
Cone material: Kevlar loaded paper
Surround material: Cloth sealed
Suspension: Single
Xmax(3): 4mm/0.16in
Gap depth: 8mm/0.32in
Voice coil winding width: 16mm/0.63in

Parametri di Thiele-Small
D: 0.21m/8.27in
Fs: 56.7Hz
Mms: 40.22g/1.42oz
Qms: 2.763
Qes: 0.411
Mmd: 36.57g/1.29oz
Qts: 0.358
Re: 6.11ohm
Vas: 33.28lt/1.17ft3
BI: 14.6Tm
Cms: 0.196mm/N
Rms: 5.184kg/s
Le (at 1kHz): 0.55mH

Informazioni di Montaggio
Overall diameter: 260mm/10.24in
Overall depth: 113mm/4.45in
Cut-out diameter: 232mm/9.13in
Mounting slot dimensions: 7.5mm x 6.5mm/0.3in x 0.26in
Number of mounting slots: 4
Mounting slot PCD range: 244-247mm/9.6-9.7in
Unit weight: 2.2kg/4.89lb

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)Measured on axis at 1W, 1m in 2
(3)Xmax derived from: (voice coil winding width-gap depth)/2.
(4)Small signal parameters measured after unit subjected to pre-conditioning signal.

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