Infinity Reference 850w User manual

SPECIFICATIONS
D IAMETER : 8" (200 MM )
S
ENSITIVITY (2.83 V @ 1 M ): 91 dB
P
OWER H ANDLING :200 W800 W
PEAK
RMS
F REQUENCY R ESPONSE : 30 ~ 400 H Z
N OMINAL I MPEDANCE :4 OHMS
V OICE -C OIL D IAMETER :2.0" (51.0 MM )
D
IMENSIONS :
THIELE-SMALL PARAMETERS
V OICE C OIL D C R ESISTANCE :R
EVC
( OHMS ) . . . . . . 3.49
V
OICE C OIL I NDUCTANCE @ 1 K H Z :L
EVC
( M H) . . . . . . . 1.64
D
RIVER R ADIATING A REA :S
D
( IN
2
) . . . . . . . . 33.17
S
D
( M
2
) . . . . . . . 214.00
M
OTOR F ORCE F ACTOR :B L (T M ) . . . . . . . . 12.69
C
OMPLIANCE V OLUME :V
AS
( FT
3
) . . . . . . . . 0.61
V
AS
( LITERS ) . . . . . 17.38
S
USPENSION C OMPLIANCE :C
MS
(µ M /N) . . . . 265.64
M
OVING M ASS , A IR L OAD :M
MS
( GRAMS ). . . . 114.80
M
OVING M ASS , D IAPHRAGM :M
MD
( GRAMS ) . . . 113.00
F
REE -A IR R ESONANCE :F
S
(H Z ) . . . . . . . . 28.80
M
ECHANICAL Q: Q
MS
...........6.03
E
LECTRICAL Q: Q
ES
...........0.450
T
OTAL Q: Q
TS
............0.42
M
AGNETIC -G AP H EIGHT :H
AG
( IN ) . . . . . . . . 3/8
H
AG
( MM ) . . . . . . . . 9.00
V
OICE -C OIL H EIGHT :H
VC
( IN ) .. . . . . . . . 1-1/4
H
VC
( MM ) .. . . . . . . . . 32
M
AXIMUM E XCURSION :X
MAX
( IN ) . . . . . . . . 7/16
X
MAX
( MM ) . . . . . . 11.50
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)
SEALEDENCLOSURE
FREQUENCYRESPONSE @ 2.83 V
SEALEDENCLOSURE CONE
EXCURSION @ 200 W
Harman Consumer Group •250 Crossways Park Drive •Woodbury, NY11797 • VOICE:516-674-4463 •www.infinitysystems.com
Reference 850w 8" Woofer – Technical Data
CAR AUDI O
mounting depth
4-5/16" (110 mm)
cutout diameter
7-1/16" (179mm)
outer diameter
8-1/4" (210mm)
V
BOX
=0.35 ft
3
(9.91 liters)
Reference 850w
(side view)
20 Hz 30 40 50 60 70 80 90 100 200300
20 Hz 30 40 50 60 70 80 90 100 200300
dBSPL
55
60
65
70
75
80
85
90
95
100
105
M
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m
In-Car
12 dB LP @ 100 Hz
Out-Of-Car

VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
VENTED ENCLOSURE CONE
EXCURSION @ 200 W
BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
BANDPASS ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
BANDPASS ENCLOSURE CONE
EXCURSION @ 200 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 •VOICE: 516-674-4463 • www.infinitysystems.com
Reference 850w 8" Woofer – Technical Data
CAR AUDI O
Reference 850w
(side view)
Port
fB=40.0 Hz
diameter = 2-1/2"
64mm
length = 8-13/16"
224mm
V
BOX
= 0.6 ft
3
(16.99 liters) V
REAR
= 0.54 ft
3
(15.29 liters) V
FRONT
=0.5 ft
3
(14.16 liters)
Reference 850w
(side view)
diam. = 3"
77mm
Port
fB=55 Hz
length =
7-1/2"
191mm
20 Hz 30 40 50 60 70 80 90 100 200300
55
60
65
70
75
80
85
90
95
100
105
20 Hz 30 40 50 60 70 80 90 100 200300
55
60
65
70
75
80
85
90
95
100
105
dBSPL dBSPL
20 Hz 30 40 50 60 70 80 90 100 200300
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m M
20 Hz 30 40 50 60 70 80 90 100 200300
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m M
Out-Of-Car
Out-Of-Car
In-Car
12 dBLP @ 100 Hz In-Car
12 dBLP @ 100 Hz