Loudspeaker Database
Eighteen Sound
186 results
Brand
ATOHM
Acoustic Elegance
Audes
Aurum Cantus
B&C Speaker
BMS
BRAX
Beyma
Black Hydra
CT Sounds
Celestion
Cerwin Vega
Ciare
D.A.S. Audio
DB Drive
Dayton Audio
ESX
ETON
Eighteen Sound
Eminence
FaitalPRO
Fane
Fi Car Audio
Focal
Fostex
Fountek
GRS
Goldwood
HELIX
Hertz
JL Audio
Jensen
KICKER
KICX
LaVoce
Lowther
MATCH
MD Lab
MONACOR
MTX Audio
Micro-Precision
Morel
Oberton
P.Audio
PRV Audio
Peerless
Pioneer
PowerBass
Precision Devices
Pride
RCF
Radian
Reckhorn
Rockford Fosgate
SB Acoustics
SEAS
SICA
SUPRAVOX
Scan-Speak
Skar Audio
Tang Band
VISATON
VOLT
WVL
Wavecor
accuton
mivoc
Type
Subwoofer
Woofer
Mid Bass
Mid-range
Full-range
Coaxial
2 Way
2 Way Kit
3 Way
Bass Guitar Speaker
Guitar Speaker
Low frequency
Miniature
Shallow Subwoofer
Shallow Woofer
Shallow Mid-Woofer
Triaxial
Available on
Amazon.com
Parts Express
•
Nominal diameter
″
•
Sensitivity
SPL
1W
dB
Thiele & Small parameters
•
Resonance frequency
f
S
Hz
•
Mechanical quality factor
Q
MS
•
Electrical quality factor
Q
ES
•
Total quality factor
Q
TS
Large signal parameters
•
Maximum linear excursion
x
max
mm
•
Air volume displaced at x
max
V
D
cm³
•
Program power
P
max
W
Voice Coil & Magnet
•
Nominal impedance
Z
Ω
•
DC resistance
R
E
Ω
•
Force factor
Bl
N/A
•
Motor constant
Bl/√R
E
N/√W
•
Inductance
L
E
mH
•
VC Diameter
mm
Diaphragm
•
Effective diameter
mm
•
Effective area
S
D
cm²
•
Moving mass
M
MS
g
Suspensions
•
Stiffness
K
MS
N/mm
•
Compliance
C
MS
µm/N
•
Equivalent volume to C
MS
V
AS
L
•
Mechanical resistance
R
MS
N·s/m
Dimensions
•
Overall size
mm
•
Baffle cutout diameter
mm
•
Overall depth
mm
•
Mounting depth
mm
•
Volume occupied
L
•
Net weight
kg
Eighteen Sound 8NW650 16Ω
16
Ω
8
″
Woofer
f
S
62
Hz
S
D
230
cm²
55
-
6300
Hz
Q
TS
0.25
x
max
5.5
mm
SPL
1W
94
dB
Bl/√R
E
6.07
P
max
600
W
Eighteen Sound 8NTLW2000 16Ω
16
Ω
8
″
Woofer
f
S
74
Hz
S
D
227
cm²
60
-
3000
Hz
Q
TS
0.26
x
max
4.4
mm
SPL
1W
94
dB
Bl/√R
E
6.72
P
max
700
W
Eighteen Sound 8NTLW2000
8
Ω
8
″
Woofer
f
S
71
Hz
S
D
227
cm²
70
-
4500
Hz
Q
TS
0.21
x
max
4.4
mm
SPL
1W
95
dB
Bl/√R
E
7.67
P
max
700
W
Eighteen Sound 8NTLS2000
8
Ω
8
″
Subwoofer
f
S
40
Hz
S
D
227
cm²
45
-
1200
Hz
Q
TS
0.19
x
max
7.4
mm
SPL
1W
91
dB
Bl/√R
E
7.4
P
max
700
W
Eighteen Sound 8NMB750 16Ω
16
Ω
8
″
Woofer
f
S
91
Hz
S
D
230
cm²
56
-
7000
Hz
Q
TS
0.37
x
max
6.3
mm
SPL
1W
94
dB
Bl/√R
E
6.73
P
max
700
W
Eighteen Sound 8NMB420 8Ω
8
Ω
8
″
Woofer
f
S
61
Hz
S
D
230
cm²
60
-
5500
Hz
Q
TS
0.28
x
max
5.8
mm
SPL
1W
96
dB
Bl/√R
E
4.47
P
max
400
W
Eighteen Sound 8NMB420 16Ω
16
Ω
8
″
Woofer
f
S
66
Hz
S
D
227
cm²
60
-
5500
Hz
Q
TS
0.41
x
max
5.8
mm
SPL
1W
94
dB
Bl/√R
E
3.83
P
max
400
W
Eighteen Sound 8MB500 8Ω
8
Ω
8
″
Woofer
f
S
74
Hz
S
D
230
cm²
60
-
4500
Hz
Q
TS
0.43
x
max
6.0
mm
SPL
1W
93
dB
Bl/√R
E
3.99
P
max
400
W
Eighteen Sound 8MB500 16Ω
16
Ω
8
″
Woofer
f
S
73
Hz
S
D
230
cm²
60
-
4500
Hz
Q
TS
0.50
x
max
6.0
mm
SPL
1W
93
dB
Bl/√R
E
3.51
P
max
400
W
Eighteen Sound 6NTLW2000 16Ω
16
Ω
6.5
″
Woofer
f
S
86
Hz
S
D
133
cm²
100
-
7300
Hz
Q
TS
0.38
x
max
4.9
mm
SPL
1W
90
dB
Bl/√R
E
4.7
P
max
600
W
Eighteen Sound 6NTLW2000
8
Ω
6.5
″
Woofer
f
S
86
Hz
S
D
133
cm²
75
-
8000
Hz
Q
TS
0.35
x
max
4.9
mm
SPL
1W
91
dB
Bl/√R
E
5.14
P
max
600
W
Eighteen Sound 6NMB900 16Ω
16
Ω
6.5
″
Mid Bass
f
S
100
Hz
S
D
130
cm²
200
-
7000
Hz
Q
TS
0.34
x
max
3.0
mm
SPL
1W
95
dB
Bl/√R
E
3.9
P
max
260
W
Eighteen Sound 6NMB420 16Ω
16
Ω
6.5
″
Mid Bass
f
S
112
Hz
S
D
130
cm²
200
-
6300
Hz
Q
TS
0.40
x
max
3.0
mm
SPL
1W
93
dB
Bl/√R
E
2.76
P
max
260
W
Eighteen Sound 6ND430 8Ω
8
Ω
6.5
″
Woofer
f
S
61
Hz
S
D
133
cm²
63
-
5500
Hz
Q
TS
0.27
x
max
5.0
mm
SPL
1W
92
dB
Bl/√R
E
4.26
P
max
260
W
Eighteen Sound 6ND430 16Ω
16
Ω
6.5
″
Woofer
f
S
66
Hz
S
D
133
cm²
65
-
7300
Hz
Q
TS
0.30
x
max
5.0
mm
SPL
1W
93
dB
Bl/√R
E
3.69
P
max
260
W
Eighteen Sound 6ND410 16Ω
16
Ω
6.5
″
Mid-range
f
S
149
Hz
S
D
143
cm²
200
-
8000
Hz
Q
TS
0.48
x
max
2.0
mm
SPL
1W
97
dB
Bl/√R
E
3.99
P
max
240
W
Eighteen Sound 6M44
8
Ω
6.5
″
Mid-range
f
S
102
Hz
S
D
132
cm²
140
-
7000
Hz
Q
TS
0.29
x
max
2.3
mm
SPL
1W
93
dB
Bl/√R
E
5.82
P
max
350
W
Eighteen Sound 21NTLW5000 8Ω
8
Ω
21
″
Subwoofer
f
S
31
Hz
S
D
1662
cm²
30
-
1800
Hz
Q
TS
0.36
x
max
17.5
mm
SPL
1W
95
dB
Bl/√R
E
14
P
max
4000
W
Eighteen Sound 21NLW9601 8Ω
8
Ω
21
″
Subwoofer
f
S
37
Hz
S
D
1662
cm²
25
-
2000
Hz
Q
TS
0.29
x
max
14.0
mm
SPL
1W
96
dB
Bl/√R
E
18
P
max
3600
W
Eighteen Sound 21NLW9001 8Ω
8
Ω
21
″
Subwoofer
f
S
32
Hz
S
D
1662
cm²
25
-
1500
Hz
Q
TS
0.31
x
max
14.0
mm
SPL
1W
95
dB
Bl/√R
E
15
P
max
3600
W
Eighteen Sound 21NLW4000 8Ω
8
Ω
21
″
Subwoofer
f
S
29
Hz
S
D
1660
cm²
30
-
1800
Hz
Q
TS
0.37
x
max
15.0
mm
SPL
1W
94
dB
Bl/√R
E
14
P
max
3200
W
Eighteen Sound 21LW2600
8
Ω
21
″
Subwoofer
f
S
27
Hz
S
D
1660
cm²
35
-
1400
Hz
Q
TS
0.33
x
max
14.6
mm
SPL
1W
94
dB
Bl/√R
E
14
P
max
3200
W
Eighteen Sound 18iDSDS
2
Ω
18
″
Subwoofer
f
S
29
Hz
S
D
1225
cm²
29
-
1000
Hz
Q
TS
0.17
x
max
18.0
mm
SPL
1W
94
dB
Bl/√R
E
21
P
max
3600
W
Eighteen Sound 18iD200
2
Ω
18
″
Subwoofer
f
S
29
Hz
S
D
1225
cm²
29
-
1000
Hz
Q
TS
0.17
x
max
18.0
mm
SPL
1W
94
dB
Bl/√R
E
21
P
max
3600
W
Eighteen Sound 18TLW3000 8Ω
8
Ω
18
″
Subwoofer
f
S
33
Hz
S
D
1225
cm²
30
-
2000
Hz
Q
TS
0.41
x
max
12.0
mm
SPL
1W
93
dB
Bl/√R
E
11
P
max
3600
W
Eighteen Sound 18NTLW5000 8Ω
8
Ω
18
″
Subwoofer
f
S
32
Hz
S
D
1156
cm²
30
-
1800
Hz
Q
TS
0.32
x
max
17.5
mm
SPL
1W
93
dB
Bl/√R
E
13
P
max
4000
W
Eighteen Sound 18NLW9601 8Ω
8
Ω
18
″
Subwoofer
f
S
39
Hz
S
D
1130
cm²
30
-
2300
Hz
Q
TS
0.28
x
max
14.0
mm
SPL
1W
95
dB
Bl/√R
E
14
P
max
3600
W
Eighteen Sound 18NLW9400 8Ω
8
Ω
18
″
Subwoofer
f
S
33
Hz
S
D
1225
cm²
30
-
2500
Hz
Q
TS
0.26
x
max
9.5
mm
SPL
1W
96
dB
Bl/√R
E
12
P
max
2400
W
Eighteen Sound 18NLW9000 8Ω
8
Ω
18
″
Subwoofer
f
S
34
Hz
S
D
1222
cm²
32
-
2500
Hz
Q
TS
0.31
x
max
14.0
mm
SPL
1W
95
dB
Bl/√R
E
12
P
max
3600
W
Eighteen Sound 18NLW4500 8Ω
8
Ω
18
″
Subwoofer
f
S
35
Hz
S
D
1225
cm²
30
-
1000
Hz
Q
TS
0.33
x
max
15.3
mm
SPL
1W
94
dB
Bl/√R
E
14
P
max
3600
W
Eighteen Sound 18NLW4100 8Ω
8
Ω
18
″
Subwoofer
f
S
31
Hz
S
D
1225
cm²
30
-
800
Hz
Q
TS
0.34
x
max
15.0
mm
SPL
1W
93
dB
Bl/√R
E
13
P
max
3000
W
Eighteen Sound 18NLW4100
4
Ω
18
″
Subwoofer
f
S
29
Hz
S
D
1225
cm²
30
-
800
Hz
Q
TS
0.27
x
max
15.0
mm
SPL
1W
94
dB
Bl/√R
E
14
P
max
3000
W
Eighteen Sound 18NLS4000
4
Ω
18
″
Subwoofer
f
S
27
Hz
S
D
1225
cm²
28
-
500
Hz
Q
TS
0.35
x
max
22.3
mm
SPL
1W
91
dB
Bl/√R
E
14
P
max
2400
W
Eighteen Sound 18LW2600 8Ω
8
Ω
18
″
Subwoofer
f
S
31
Hz
S
D
1225
cm²
30
-
800
Hz
Q
TS
0.29
x
max
14.8
mm
SPL
1W
94
dB
Bl/√R
E
14
P
max
3000
W
Eighteen Sound 18LW2600
4
Ω
18
″
Subwoofer
f
S
30
Hz
S
D
1225
cm²
30
-
800
Hz
Q
TS
0.28
x
max
14.0
mm
SPL
1W
94
dB
Bl/√R
E
15
P
max
3000
W
Eighteen Sound 18LW2420 8Ω
8
Ω
18
″
Subwoofer
f
S
34
Hz
S
D
1225
cm²
30
-
2500
Hz
Q
TS
0.36
x
max
10.0
mm
SPL
1W
95
dB
Bl/√R
E
11
P
max
2600
W
Eighteen Sound 18LW2400 8Ω
8
Ω
18
″
Subwoofer
f
S
35
Hz
S
D
1225
cm²
31
-
2500
Hz
Q
TS
0.31
x
max
9.5
mm
SPL
1W
96
dB
Bl/√R
E
11
P
max
2400
W
Eighteen Sound 18LW1400 8Ω
8
Ω
18
″
Subwoofer
f
S
31
Hz
S
D
1225
cm²
28
-
2500
Hz
Q
TS
0.29
x
max
9.0
mm
SPL
1W
96
dB
Bl/√R
E
11
P
max
1400
W
Eighteen Sound 15W750 8Ω
8
Ω
15
″
Subwoofer
f
S
39
Hz
S
D
850
cm²
50
-
4300
Hz
Q
TS
0.37
x
max
8.0
mm
SPL
1W
96
dB
Bl/√R
E
7.79
P
max
1200
W
Eighteen Sound 15W700 8Ω
8
Ω
15
″
Subwoofer
f
S
38
Hz
S
D
850
cm²
38
-
5000
Hz
Q
TS
0.30
x
max
6.5
mm
SPL
1W
97
dB
Bl/√R
E
7.71
P
max
700
W