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IMPORTANT:
Make sure the
subwooferamplifier is turned OFFbefore
setting the SSIswitch. Donot changethe
switch position while the subwoofer
amplifier is operating.Doingso could
damage the amplifier.
TECHNICAL
DATA
SMALL
THIELE-
S
PARAMETER
VOICE-COIL DC RESISTANCE
:
REVC (OHMS)
VOICE-
COIL
INDUCTANC
E@
IKHz:
SD (IN2)
DRIVE
R
RADIATIN
G
AREA:
SD (CM2).
MOTOR FORCE F ACTOR:
E
COMPLIANC
VOLUME:
VAS (FT3)
VAS (LITERS)
SUSPENSI
ON
:
COMPLIANCE
CMS (PM/N)
G
MOVIN
MASS, AIRLOAD:
MMS (GRAMS)
FREE-AIR RESONANC
E:
Fs(Hz)
MECHANI
CAL
Q:
QMS.
CAL
ELECTRI
Q:
QES
QTS •
MAGNETIC-
GAP
HEIGHT:
HAG (IN)
Hvc(IN)
VOICE-COIL HEIGHT:
HVC (MM)
MAXIMUM EXCURSION
:
XMAX ( IN)
Xnx (MM)
BOX
SEALED-
VOLUM
E
(INCLUDE
S
0.50ft3 (14.20 liters)
VENTE
D-
BoxVOLUM
E
(INCLUDE
S
(side view)
VBOx
=
1.5ft3(42.5 liters)
NS
SPECIFICATIO
:
DIAMETER
SENSITI
VITY
(2.83V @ 1M):
R
POWE
HANDLING:
CY
FREQUEN
RESPONS
E:
L
NOMINA
IMPEDANCE
:
VOICE-COIL DIAMETER:
DIMENSION
S:
mounting depth
HARMAN
International
8500 Ba boa Boulevard, Northridge,
HARMAN
CA 91329
USA
www jbl com
CONNECTING
THE
AMPLIFIER
Thesubwooferconnectorsare compatible
with bare or tinned wires. The
recommended w ire gaugeis between
14AWG and8AWG, d epending onthe length
of the wire run betweenthe amplifier and
woofer. Heaviergaugewire is preferred
for runsover 6' (2m).
Stadium
1024
20
40
.. 1.80
4.06
.. 1.04
0.91
. 53.69 .
53.69
346.36
346.36
10.54
14.98
. 0.86
0.89
. 24.22
25.27
144.00.
. 150.00
188.72
185.47
. 30.56
30.18
. 3.11
2.17
. 0.57
. 0.61
. 0.48
0.48
. 0.39
0.39
. 10.00.
10.00
.. 1.32
1.32
. 33.50
33.50
. 0.47
0.47
. 12.00
. 12.00
DRIVER DISPLACEMEN
T)
(side view)
T
DRIVER/POR
S)
DISPLACEMENT
Port
length= 113"
287mm
fB 30.0Hz
diameter
3"
76mm
10" (254MM)
91dB
450Wrms(1350WPEAK)
30Hz
175Hz
2 OR 4 OHMS
2 1/2" (63MM)
mounting height
3/4" (18mm)
cutout diameter
9-7/16"(239mnl)
outer diameter
11" (279mm)
Industries,
nc
0 2017 HARMAN International Industries, Incorporated All rights reserved
JBL is a trademark Of HARMAN nternational Industries, Incorporated registe ed in the United States and/or Other countries
I .Usea 2.5mmhexdriver to openthe
connectors
2.1nsert the wire ends into the connector
openings
NOTE: If usinguntinnedbare wire, be surethat
nostray "+"and ' -"strands touch eachother,
Touchingstrandscancausea short-circuit,
which can damage youramplifier.
3.Use the hex driver to secure the wires in the
connectors,asshownin the illustration
to the left
THIELE-SMALL PARAMETERS
VOICE-COIL DC RESISTANCE:
VOICE-COIL
INDUCTANCE
@ IKHz:
DRIVER R ADIATING
AREA:
MOTOR F ORCE F ACTOR:
COMPLIANCE
VOLUME:
SUSPENSION
COMPLIANCE:
MOVING
MASS, AIR LOAD:
FREE-AIR RESONANCE:
MECHANICAL
Q:
ELECTRICAL
Q:
TOTAL Q:
MAGNETIC-GAP
HEIGHT:
VOICE-COIL HEIGHT:
MAXIMUM EXCURSION:
SEALED-
BoxVOLUME
(INCLUDES
0.75ft3 (21.20liters)
VENTED-BOX
VOLUME
(INCLUDES
(side view)
2.5ft3 (70.8 liters)
SPECIFICATIONS
DIAMETER:
SENSITIVITY
(2.83V @ 1M):
POWER H ANDLING:
FREQUENCY
RESPONSE:
NOMINAL IMPEDANCE:
VOICE-COIL DIAMETER:
DIMENSIONS:
mountinq depth
2. Insert wires
into connector
openings
1.Usehex wrench to openconnectors
3. Use hex wrench to secure connectors
Stadium
1224
20
REVC (OHMS)
1.82
LEVC ( MH)
1.03
SD (IN2)
. 82.29
SD (CM2).
. 530.93
530.93
11.70
VAS (FT3)
1.93.
VAS (LITERS)
54.65
. 52.59
138.00 .
. 133.00
CMS (PM/N)
MMS (GRAMS).
220.58
225.64
Fs(Hz)
28.84
QMS
4.29
QES
. 0.53.
. 0.58
QTS
0.47 .
HAG ( IN)
0.39 .
. 10.00.
Hvc(IN)
1.32
HVC (MM)
33.50 .
XMAX ( IN)
0.47
XMAX ( MM)
. 12.00 .
. 12.00
DRIVER
DISPLACEMENT)
(side view)
DRIVER/PORT
DISPLACEMENTS)
Port
ength
= 11.7"
298mm
fB 30.0Hz
diameter
4"
102mm
12" (305MM)
92dB
500Wrms (1500M/ P EAK)
25Hz
175Hz
2 OR 4 OHMS
2 1/2" (63MM)
mountinq height
314" (18 mm)
cutout diameter
outer diameter
12-13116"(324mm)
40
4.07
0.94
82.29
16.99
1.86
29.07
2.56
0.47
0.39
10.00
1.32
33.50
0.47
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