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Name	Value	Unit	Comment
Electrical Parameters
Re	7.44	Ohm	electrical voice coil resistance at DC
Le	1.640	mH	frequency independent part of voice coil inductance
L2	1.235	mH	para-inductance of voice coil
R2	3.08	Ohm	electrical resistance due to eddy current losses
Cmes	145.29	µF	electrical capacitance representing moving mass
Lces	115.02	mH	electrical inductance representing driver compliance
Res	117.34	Ohm	resistance due to mechanical losses
fs	38.9	Hz	driver resonance frequency

Mechanical Parameters
(using laser)
Mms	13.837	g	mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)	12.971	g	mechanical mass of voice coil and diaphragm without air load
Rms	0.812	kg/s	mechanical resistance of total-driver losses
Cms	1.208	mm/N	mechanical compliance of driver suspension
Kms	0.83	N/mm	mechanical stiffness of driver suspension
Bl	9.76	N/A	force factor (Bl product)
Lambda s	0.061		suspension creep factor

Loss factors
Qtp	0.250		total Q-factor considering all losses
Qms	4.170		mechanical Q-factor of driver in free air considering Rms only
Qes	0.265		electrical Q-factor of driver in free air considering Re only
Qts	0.249		total Q-factor considering Re and Rms only

Vas	30.1119	l	equivalent air volume of suspension
n0	0.646	%	reference efficiency (2 pi-radiation using Re)
Lm	90.30	dB	characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom	90.61	dB	nominal sensitivity (SPL at 1m for 1W @ Zn)

rmse Z	5.58	%	root-mean-square fitting error of driver impedance Z(f)
rmse Hx	1.80	%	root-mean-square fitting error of transfer function Hx (f)

Series resistor	0.00	Ohm	resistance of series resistor
Sd	132.73	cm	diaphragm area

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Name	Value	Unit	Comment
Electrical Parameters
Re	7.44	Ohm	electrical voice coil resistance at DC
Le	1.640	mH	frequency independent part of voice coil inductance
L2	1.235	mH	para-inductance of voice coil
R2	3.08	Ohm	electrical resistance due to eddy current losses
Cmes	145.29	µF	electrical capacitance representing moving mass
Lces	115.02	mH	electrical inductance representing driver compliance
Res	117.34	Ohm	resistance due to mechanical losses
fs	38.9	Hz	driver resonance frequency

Mechanical Parameters
(using laser)
Mms	13.837	g	mechanical mass of driver diaphragm assembly including air load and voice coil
Mmd (Sd)	12.971	g	mechanical mass of voice coil and diaphragm without air load
Rms	0.812	kg/s	mechanical resistance of total-driver losses
Cms	1.208	mm/N	mechanical compliance of driver suspension
Kms	0.83	N/mm	mechanical stiffness of driver suspension
Bl	9.76	N/A	force factor (Bl product)
Lambda s	0.061		suspension creep factor

Loss factors
Qtp	0.250		total Q-factor considering all losses
Qms	4.170		mechanical Q-factor of driver in free air considering Rms only
Qes	0.265		electrical Q-factor of driver in free air considering Re only
Qts	0.249		total Q-factor considering Re and Rms only

Vas	30.1119	l	equivalent air volume of suspension
n0	0.646	%	reference efficiency (2 pi-radiation using Re)
Lm	90.30	dB	characteristic sound pressure level (SPL at 1m for 1W @ Re)
Lnom	90.61	dB	nominal sensitivity (SPL at 1m for 1W @ Zn)

rmse Z	5.58	%	root-mean-square fitting error of driver impedance Z(f)
rmse Hx	1.80	%	root-mean-square fitting error of transfer function Hx (f)

Series resistor	0.00	Ohm	resistance of series resistor
Sd	132.73	cm	diaphragm area

[此贴子已经被作者于2006-11-24 16:12:09编辑过]

Name

Value

Unit

Comment

Electrical Parameters

6.89

Ohm

electrical voice coil resistance at DC

1.100

frequency independent part of voice coil inductance

1.469

para-inductance of voice coil

5.59

Ohm

electrical resistance due to eddy current losses

Cmes

252.20

µF

electrical capacitance representing moving mass

Lces

64.74

electrical inductance representing driver compliance

Res

45.14

Ohm

resistance due to mechanical losses

39.4

driver resonance frequency

Mechanical Parameters

(using laser)

Mms

16.381

mechanical mass of driver diaphragm assembly including air load and voice coil

Mmd (Sd)

15.54

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

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

equivalent air volume of suspension

0.329

reference efficiency (2 pi-radiation using Re)

87.37

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

130.70

diaphragm area

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