_RE_F_ER_EN_C_E_1_20_0_s_1_2_"_W_o_o_FE_R_T_EC_H_N_IC_AL_D_A_T_A_~InTInit}(
THIELE-SMALL PARAMETERS
20
40
VoiCE-COIL DC RESISTANCE:
REvc (oHMS) . . . . . . . . 1.84........ • .. 4.16
VoiCE-COIL INDUCTANCE@ 1KHz: LEvc (MH) ....• . •..• 0.65 •••.•... • .. 0.71
S0 (1N2) .....•.... 77.92 .. . ... .. •. 77.92
DRIVER RADIATING AREA:
S0 (cM2) ...... . .. 502.73 .•...... • 502.73
BL (TM) ....... . .... 9.02 .•...... • . 12.87
MOTOR FORCE FACTOR:
CoMPLIANCE VoLUME:
VAS (FT3) .......... 3.44 ........... 3.45
VAs (LITERs) . .. .. . .. 97.43 ...... . ... 97.56
SusPENSION CoMPLIANCE:
CMs (~M/N) . .. . .. 274.00 ... . .. . .. 275.00
MOVING MASS, AIR LOAD:
MMs (GRAMs) . . . . . 177.46 . . . . . . . . . 177.02
FREE-AIR RESONANCE:
Fs (Hz) ..... . . . ... 22.80 .. . ...... . 22.82
MECHANICAL Q:
QMS .......... . .. . 6.24 ........... 3.57
QES ........ . .. . ... 0.57 ..... . . . ... 0.64
ELECTRICAL Q:
QTs ....... . . ... ..• 0.53 ......... . . 0.54
TOTAL Q:
MAGNETIC-GAP HEIGHT:
HAG (IN) ........ . .. 0.31. ........ . . 0.31
HAG (MM) ......•... 8.00 .. . . . . ... .. 8.00
VOICE-COIL HEIGHT:
Hvc(IN) ....... . . . . 0.92 . . . . .. ..• . . 0.92
Hvc(MM) . ..•.. . .. 23.30 .• . .....• . 23.30
MAXIMUM ExcuRSION:
XMAX (IN) .•........ 0.30 .•......• . . 0.30
XMAX (MM) .. . .. . ... 7.65 .•.•.•... . • 7.65
SEALED-Box VoLUME (INcLuDEs DRIVER DisPLACEMENT)
SPECIFICATIONS
12" (305MM)
92dB
250WRMS (1000WPEAK)
27Hz~ 175Hz
2 OR40HMS
2"(51MM)
DIAMETER:
SENSITIVITY (2.83V@ 1M):
PowER HANDLING:
FREQUENCY RESPONSE:
NOMINAL IMPEDACE:
VOICE-COIL DIAMETER:
DIMENSIONS:
SEALED ENCLOSURE (FREQUENCY RESPONSE @ 2.83V)
d8SPL
:I :
1------····-- ····+····-·---····-+·........+-;---+--·+-+-+----
------------+.. -----..----f
: :I
100
97
~
n
87
~
Reference 1200s
(side view)
V80 x= 0.75 ft 3 (21.241 iters)
VENTED-Box VoLUME (INcLuDEs DRIVER/PoRT DisPLACEMENTs)
77
82
:: 1---·-··-..··i··.. ·-·..--+.. --.......,.........f···· ··+·······l. .......!· ·····r····-70 ~--·..
··· +
72
----------·-+·-- ~~~
40
J
67
65 L-----~--~--~--~~~--------~----~ 62
200
300
20Hz
:I
VENTED ENCLOSURE (FREQUENCY RESPONSE @ 2.83V)
d8SPL
~ L.\~~ J..I::!WLJ IJ
1
1·····. --·-····· ····· +······ ·--·+·-····--;·----1-·---t--·++-+---·---·-- ·· +·--· -
length = 10"
rmc
Reference 1200s
(side view)
Port
fs= 33Hz
·i :::
lOS
102
100
97
n
8
87
-
-
I
I
diameter= 4"
102mm
Vsox= 1.75 ft 3 (49.56 liters)
~
~
f···-----·+-·-·-+-~--
75 , ... .................. . , . • .•
:J
..-+-·+---f-+·-···--····-\-·----· .. +--....--... -1
:: p<-....................
+
40
-+-~- -+--+--r-+---------- ~~
72
67
70
65 L---------~~~--~~~--------~----~ 62
300
20 Hz
30
BAND- PAss- Box VoLUME (INcLuDEs DRIVER/PoRT DisPLAcEMENTs) BAND-PAss ENCLOSURE (FREQUENcY REsPoNsE@ 2.83V)
i
~
Reference 1200s
(sideview)
=
~
tx:::::
length =
7-1/2"
190.5mm
2 Ports
fs=53Hz
1~1
1
--
102mm
dBSPL
107
110
I'"
"' l
102
105
97
\00
92
95
zo 90
87
~ .,
"j
77
80
72
75
VREAR= 1.00 ft 3 (28.31 liters)
VFRONT= 1.75 ft 3 (49.55 liters)
40
67
70
62
65
20Hz
30
40
50
Harman Internat ional Industries, Inc., 8500 Balboa Blvd., Northridge, CA 91329 • www.infinityspeakers.com
60
70
80 90 100
200
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