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6寸半HiFi扬声器,请高手指点一下

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Name	Value	Unit	Comment
Electrical Parameters
Re	6.89	Ohm	electrical voice coil resistance at DC
Le	1.100	mH	frequency independent part of voice coil inductance
L2	1.469	mH	para-inductance of voice coil
R2	5.59	Ohm	electrical resistance due to eddy current losses
Cmes	252.20	µF	electrical capacitance representing moving mass
Lces	64.74	mH	electrical inductance representing driver compliance
Res	45.14	Ohm	resistance due to mechanical losses
fs	39.4	Hz	driver resonance frequency

Mechanical Parameters
(using laser)
Mms	16.381	g	mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)	15.54	g	mechanical mass of voice coil and diaphragm without air load
Rms	1.439	kg/s	mechanical resistance of total-driver losses
Cms	1.00	mm/N	mechanical compliance of driver suspension
Kms	1.00	N/mm	mechanical stiffness of driver suspension
Bl	8.06	N/A	force factor (Bl product)
Lambda s	0.066		suspension creep factor

Loss factors
Qtp	0.37		total Q-factor considering all losses
Qms	2.82		mechanical Q-factor of driver in free air considering Rms only
Qes	0.43		electrical Q-factor of driver in free air considering Re only
Qts	0.37		total Q-factor considering Re and Rms only

Vas	24.0958	l	equivalent air volume of suspension
n0	0.329	%	reference efficiency (2 pi-radiation using Re)
Lm	87.37	dB	characteristic sound pressure level

rmse Z	3.76	%	root-mean-square fitting error of driver impedance Z(f)
rmse Hx	2.30	%	root-mean-square fitting error of transfer function Hx (f)

Series resistor	0.00	Ohm	resistance of series resistor
Sd	130.70	cm	diaphragm area

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Name	Value	Unit	Comment
Electrical Parameters
Re	6.94	Ohm	electrical voice coil resistance at DC
Le	0.708	mH	frequency independent part of voice coil inductance
L2	0.546	mH	para-inductance of voice coil
R2	1.53	Ohm	electrical resistance due to eddy current losses
Cmes	266.95	µF	electrical capacitance representing moving mass
Lces	70.44	mH	electrical inductance representing driver compliance
Res	91.38	Ohm	resistance due to mechanical losses
fs	36.7	Hz	driver resonance frequency

Mechanical Parameters
(using laser)
Mms	11.256	g	mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)	10.371	g	mechanical mass of voice coil and diaphragm without air load
Rms	0.461	kg/s	mechanical resistance of total-driver losses
Cms	1.670	mm/N	mechanical compliance of driver suspension
Kms	0.60	N/mm	mechanical stiffness of driver suspension
Bl	6.49	N/A	force factor (Bl product)
Lambda s	0.039		suspension creep factor

Loss factors
Qtp	0.398		total Q-factor considering all losses
Qms	5.626		mechanical Q-factor of driver in free air considering Rms only
Qes	0.427		electrical Q-factor of driver in free air considering Re only
Qts	0.397		total Q-factor considering Re and Rms only

Vas	42.9442	l	equivalent air volume of suspension
n0	0.478	%	reference efficiency (2 pi-radiation using Re)
Lm	88.99	dB	characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom	89.61	dB	nominal sensitivity (SPL at 1m for 1W @ Zn)

rmse Z	5.49	%	root-mean-square fitting error of driver impedance Z(f)
rmse Hx	2.17	%	root-mean-square fitting error of transfer function Hx (f)

Series resistor	0.00	Ohm	resistance of series resistor
Sd	134.78	cm	diaphragm area

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