Woofer 6.5" Paper Cone, Aluminum Phase Plug
Soft dome tweeter 27mm
Neodymium Magnet
Aluminum Die Cast Basket
Impedance : 4 Ohm
Sesitivity : 91 dB
Rated Power : 90 Watts
Frequency Response : 55Hz -25Khz
ราคา 28,500 บาท
6.5 WF | |||||||||||||
Electrical Parameters | |||||||||||||
Re | 3.3 | Ohm | electrical voice coil resistance at DC | ||||||||||
Le | 0.321 | mH | frequency independent part of voice coil inductance | ||||||||||
L2 | 0.334 | mH | para-inductance of voice coil | ||||||||||
R2 | 0.94 | Ohm | electrical resistance due to eddy current losses | ||||||||||
Cmes | 572.13 | μF | electrical capacitance representing moving mass | ||||||||||
Lces | 18.27 | mH | electrical inductance representing driver compliance | ||||||||||
Res | 12.52 | Ohm | resistance due to mechanical losses | ||||||||||
fs | 49.2 | Hz | driver resonance frequency | ||||||||||
Mechanical Parameters | |||||||||||||
(using laser) | |||||||||||||
Mms | 17.531 | g | mechanical mass of driver diaphragm assembly including air load and voice coil | ||||||||||
Mmd (Sd) | 15.882 | g | mechanical mass of voice coil and diaphragm without air load | ||||||||||
Rms | 2.447 | kg/s | mechanical resistance of total-driver losses | ||||||||||
Cms | 0.596 | mm/N | mechanical compliance of driver suspension | ||||||||||
Kms | 1.68 | N/mm | mechanical stiffness of driver suspension | ||||||||||
Bl | 5.536 | N/A | force factor (Bl product) | ||||||||||
Lambda s | 0.039 | suspension creep factor | |||||||||||
Loss factors | |||||||||||||
Qtp | 0.464 | total Q-factor considering all losses | |||||||||||
Qms | 2.216 | mechanical Q-factor of driver in free air considering Rms only | |||||||||||
Qes | 0.585 | electrical Q-factor of driver in free air considering Re only | |||||||||||
Qts | 0.463 | total Q-factor considering Re and Rms only | |||||||||||
Other Parameters | |||||||||||||
Vas | 13.9716 | l | equivalent air volume of suspension | ||||||||||
n0 | 0.274 | % | reference efficiency (2 pi-radiation using Re) | ||||||||||
Lm | 86.58 | dB | characteristic sound pressure level (SPL at 1m for 1W @ Re) | ||||||||||
Lnom | 87.41 | dB | nominal sensitivity (SPL at 1m for 1W @ Zn) | ||||||||||
rmse Z | 2.83 | % | root-mean-square fitting error of driver impedance Z(f) | ||||||||||
rmse Hx | 2.52 | % | root-mean-square fitting error of transfer function Hx (f) | ||||||||||
Series resistor | 0 | Ohm | resistance of series resistor | ||||||||||
Sd | 128.68 | cm2 | diaphragm area | ||||||||||
Electrical Parameters | |||||||||||||
Re | 3.88 | Ohm | electrical voice coil resistance at DC | ||||||||||
Le | 0.031 | mH | frequency independent part of voice coil inductance | ||||||||||
L2 | 0 | mH | para-inductance of voice coil | ||||||||||
R2 | 0 | Ohm | electrical resistance due to eddy current losses | ||||||||||
Cmes | 116.07 | μF | electrical capacitance representing moving mass | ||||||||||
Lces | 0.1 | mH | electrical inductance representing driver compliance | ||||||||||
Res | 2.54 | Ohm | resistance due to mechanical losses | ||||||||||
fs | 1498 | Hz | driver resonance frequency | ||||||||||
Mechanical Parameters | |||||||||||||
(using laser) | |||||||||||||
Mms | 0.592 | g | mechanical mass of driver diaphragm assembly including air load and voice coil | ||||||||||
Mmd (Sd) | 0.568 | g | mechanical mass of voice coil and diaphragm without air load | ||||||||||
Rms | 2.007 | kg/s | mechanical resistance of total-driver losses | ||||||||||
Cms | 0.019 | mm/N | mechanical compliance of driver suspension | ||||||||||
Kms | 52.41 | N/mm | mechanical stiffness of driver suspension | ||||||||||
Bl | 2.258 | N/A | force factor (Bl product) | ||||||||||
Lambda s | 3.507 | suspension creep factor | |||||||||||
Loss factors | |||||||||||||
Qtp | 1.676 | total Q-factor considering all losses | |||||||||||
Qms | 2.775 | mechanical Q-factor of driver in free air considering Rms only | |||||||||||
Qes | 4.234 | electrical Q-factor of driver in free air considering Re only | |||||||||||
Qts | 1.676 | total Q-factor considering Re and Rms only | |||||||||||
Other Parameters | |||||||||||||
Vas | 0.0015 | l | equivalent air volume of suspension | ||||||||||
n0 | 0.117 | % | reference efficiency (2 pi-radiation using Re) | ||||||||||
Lm | 82.9 | dB | characteristic sound pressure level (SPL at 1m for 1W @ Re) | ||||||||||
Lnom | 83.03 | dB | nominal sensitivity (SPL at 1m for 1W @ Zn) | ||||||||||
rmse Z | 10.71 | % | root-mean-square fitting error of driver impedance Z(f) | ||||||||||
rmse Hx | 43.96 | % | root-mean-square fitting error of transfer function Hx (f) | ||||||||||
Series resistor | 0 | Ohm | resistance of series resistor | ||||||||||
Sd | 7.55 | cm2 | diaphragm area |