EASTECH 20RC6EHC171170

Woofer

8″ / 203 mm
Nominal diameter
68 Hz
Resonance
0.51
Q factor
88 dB
Sensitivity
± 4.15 mm
Linear excursion
100 W
Program Power
EASTECH 20RC6EHC171170 WooferEASTECH 20RC6EHC171170 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
88.3
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
67.6
Hz
Mechanical quality factor
QMS
6.51
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.51

Large signal parameters

Maximum linear excursion
xmax
4.15
mm
Air volume displaced at xmax
VD
86
cm³
Power handling
P
50
W
Program power
Pmax
100
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
1.03
mH
VC Diameter
36
mm
Winding height
HVC
14.3
mm
Winding material
PISV2W
Former material
GFB-P

Magnet

Force factor
Bl
10.44
N/A
Motor constant
Bl/√RE
5.8
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
162
mm
Effective area
SD
206
cm²
Moving mass
MMS
44
g
Moving mass (without air load)
MMD
41.8
g
Material
Paper

Suspensions

Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
7.59
L
Mechanical resistance
RMS
2.868
N·s/m
Surround material
Rubber

Dimensions

Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
0.95
L
Net weight
2.3
kg
Frame material
Steel
SPL & Impedance
EASTECH 20RC6EHC171170 SPL & Impedance
EASTECH 20RC6EHC171170 Dimensions
DatasheetDatasheet

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