Reference 1260w 12" Woofer – Technical Data - Infinity

Reference 1260w 12" Woofer – Technical Data
SPECIFICATIONS
DIAMETER:
SENSITIVITY (2.83V @ 1M):
POWER HANDLING:
FREQUENCY RESPONSE:
NOMINAL IMPEDANCE:
VOICE COIL DIAMETER:
DIMENSIONS:
mounting depth
6-7/16" (162mm)
12" (300MM)
93dB
300W
RMS
(1200W PEAK)
23HZ ~ 400HZ
4 OHMS
2.0" (51.0 MM)
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)
Reference 1260w
(side view)
V BOX = 1.25 ft3 (35.40 liters)
THIELE-SMALL PARAMETERS
cutout diameter
11-1/8" (282mm)
outer diameter
12-3/8" (314mm)
VOICE COIL DCRESISTANCE: R EVC
(OHMS) . . . . . . 3.59
VOICE COIL INDUCTANCE @ 1KHZ: L EVC
(MH) . . . . . . . 2.89
DRIVER RADIATING AREA: S D
(IN 2 ) . . . . . . . . 82.30
S D
(M 2 ) . . . . . . . 531.00
MOTOR FORCE FACTOR: BL (TM) . . . . . . . . 16.90
COMPLIANCE VOLUME: V AS
(FT 3 ) . . . . . . . . 2.92
V AS
(LITERS) . . . . . 82.96
SUSPENSION COMPLIANCE: C MS
(µM/N) . . . . 206.00
MOVING MASS, AIR LOAD: M MS
(GRAMS). . . . 222.00
MOVING MASS, DIAPHRAGM: M MD
(GRAMS) . . . 214.00
FREE-AIR RESONANCE: F S
(HZ) . . . . . . . . 23.50
MECHANICAL Q: Q MS
. . . . . . . . . . . 6.99
ELECTRICAL Q: Q ES
. . . . . . . . . . . 0.41
TOTAL Q: Q TS
. . . . . . . . . . . . 0.39
MAGNETIC-GAP HEIGHT: H AG
(IN) . . . . . . . . 0.314
H AG
(MM) . . . . . . . . 8.00
VOICE COIL HEIGHT:
HVC (IN) .. . . . . . . . . 1.34
H VC
(MM) .. . . . . . . . . 34
MAXIMUM EXCURSION: X MAX
(IN) . . . . . . . 0.512
X MAX
(MM) . . . . . . 13.00
SEALED ENCLOSURE
FREQUENCY RESPONSE @ 2.83V
dBSPL
115
110
105
100
95
90
85
80
75
70
Out-of-Car
65
20 Hz 30 40 50 60 70 80 90 100 200 300
30m
20m
10m
5m
2m
1m
500u
200u
100u
50u
20u
10u
SEALED ENCLOSURE
CONE EXCURSION @ 300W
M
In-Car
12 dB LP @ 80Hz
5u
20 Hz 30 40 50 60 70 80 90 100 200 300
Harman Consumer Group, Inc., 250 Crossways Park Drive, Woodbury, NY 11797, USA www.infinitysystems.com

Reference 1260w 12" Woofer – Technical Data
VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
BAND-PASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
Reference 1260w
(side view)
length = 10"
252mm
Port
f B = 32.0Hz
Reference 1260w
(side view)
2 Ports
f B = 63Hz
length =
8"
204mm
V BOX = 2 ft3 (56.63 liters)
diameter = 4"
102mm
diam. = 4"
102mm
V REAR = 1 ft 3 (28.3 liters) V FRONT = 1.25 ft 3
(35.40 liters)
VENTED ENCLOSURE
FREQUENCY RESPONSE @ 2.83V
BAND-PASS ENCLOSURE
FREQUENCY RESPONSE @ 2.83V
115
dBSPL
dBSPL
115
110
105
110
105
In-Car
12 dB LP @ 80Hz
100
95
In-Car
12 dB LP @ 80Hz
100
95
90
85
80
Out-of-Car
90
85
80
Out-of-Car
75
75
70
70
65
20 Hz 30 40 50 60 70 80 90 100 200 300
65
20 Hz 30 40 50 60 70 80 90 100 200 300
VENTED ENCLOSURE
CONE EXCURSION @ 300W
BAND-PASS ENCLOSURE
CONE EXCURSION @ 300W
30m
20m
10m
5m
2m
1m
500u
200u
100u
50u
20u
10u
M
5u
20 Hz 30 40 50 60 70 80 90 100 200 300
30m
20m
10m
5m
2m
1m
500u
200u
100u
50u
20u
10u
M
5u
20 Hz 30 40 50 60 70 80 90 100 200 300
Harman Consumer Group, Inc., 250 Crossways Park Drive, Woodbury, NY 11797, USA www.infinitysystems.com