RCF L15-554K

Mid Bass

15″ / 381 mm
Nominal diameter
35 Hz
Resonance
0.24
Q factor
97 dB
Sensitivity
± 6 mm
Linear excursion
1200 W
Program Power
Discontinued
RCF L15-554K Mid BassRCF L15-554K Mid BassRCF L15-554K Mid Bass
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
97.0
dB
Frequency response
40 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
35.0
Hz
Mechanical quality factor
QMS
8.60
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
22.0
mm
Air volume displaced at xmax
VD
480
cm³
Power handling
P
600
W
Program power
Pmax
1200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Winding material
Copper

Magnet

Force factor
Bl
23.0
N/A
Motor constant
Bl/√RE
8.95
N/√W
Material
Ceramic

Diaphragm

Effective diameter
325
mm
Effective area
SD
800
cm²
Moving mass
MMS
91
g
Moving mass (without air load)
MMD
74.8
g

Suspensions

Stiffness
KMS
4.0
N/mm
Compliance
CMS
250
µm/N
Equivalent volume to the compliance
VAS
227
L
Mechanical resistance
RMS
2.33
N·s/m
Surround material
Polycotton

Dimensions

Nominal diameter
15
″
381
mm
Overall diameter
387
mm
Baffle cutout diameter
362
mm
Overall depth
133
mm
Flange thickness
9
mm
Mounting depth
124
mm
Volume occupied by the driver
3.8
L
Net weight
11.0
kg
Impedance
SPL
RCF L15-554K Impedance
RCF L15-554K SPL
RCF L15-554K Dimensions
DatasheetDatasheet

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