Owner's Manual

_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 _~InTI nit}(
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
DRIVER RADIATING AR EA:
MOTOR FORCE FACTOR:
CoMPLIANCE VoLUME:
SusPENSION CoMPLIANCE:
MOVING MA S S, AIR LOAD:
FR EE -AIR R ESO NAN CE :
MECHANICAL Q:
ELECTRICAL Q:
TOTAL Q:
MAGNETIC-GAP HEIGHT:
VOI C E-C OIL HE IG HT :
MAXIMUM Ex c uRSION:
S
0
(1N2) .....•.... 77 .92 .. . ... .. •. 77.92
S
0
(cM2) ...... . .. 502.73 .•...... • 502.73
BL (TM) ....... . .... 9.02 .•...... •. 12.87
VAS (FT3) .......... 3.44 ........... 3.45
VAs (LITERs) . .. .. . .. 97.43 ...... . ... 97.56
CMs (~M/N) . .. . .. 274.00 ... . .. . .. 275.00
MM s (GR A Ms) . . . . . 177.46 . . . . . . . . . 177.02
Fs
(H z) ..... . . . ... 22.80 .. . ...... . 22.82
QMS .......... . .. . 6.24 ........... 3.57
QES ........ . .. . ... 0.57 ..... . . . ... 0.64
QTs ....... . . ... ..• 0.53 ......... . . 0.54
HAG (IN) ........ . .. 0.31. ........ . . 0.31
HAG (MM) ......•... 8.00 .. . . . . ... .. 8.00
Hvc(IN) ....... . . . . 0.92 . . . . .. ..• . . 0.92
Hv c( MM) . ..•.. . .. 23.30 .• . .....• . 23.30
XMAX (IN) .•........ 0.30 .•......• . . 0.30
XMAX (MM) .. . .. . ... 7.65 .•.•.•... . • 7.65
SEALED-Box VoLUME (INcLuDEs DRIVER DisPLACEMENT)
Reference 1200s
(side view)
V
80
x= 0.75 ft
3
(21.241iters)
VENTED-Box VoLUME (INcLuDEs DRIVER/PoRT Di s PLACEMENTs)
~ L.\~~ J..I::!WLJ IJ
1
length = 1 0"
Port
Reference 1200s
rmc
fs= 33Hz
(s i de view)
- -
I
I
dia meter= 4"
1 02mm
V sox= 1.75 ft
3
(49.56 liters)
SPECIFICATIONS
DIAMETER :
SENSITIVITY (2 .83V@ 1M) :
Po
wER HAND LI NG:
FREQUENCY RE SPONSE:
NOMINAL IMPEDACE:
VOICE-COIL DI A METER:
DIMENSIONS:
12" (305MM)
92dB
250WRMS (1000WP EAK)
27Hz~ 175Hz
2 OR40H
MS
2"(51MM)
SEALED
ENCLOSURE (FREQUENCY RESPONSE @ 2.83V)
d8SPL
I
::: 1 ----- -···· -- ····+ ····-·- - -····- +· ........ +-;- --+ --·+-+-+---- - ----- -- ---- + .. - ---- .. -- --f :: :I
100 97
~ n
~
:: 1-- -·-· ·- .. ·· i ·· .. ·-· .. --+ .. -- ..... .. , .... ..... f·· ·· ·· +·· ·····l .. ....... !· ·· ··· r····--
70 ~ --· .. ··· + ----------·-+·- - ~ ~~
65 L-----~--~--~--~~~--------~----~
20Hz
200 3 00
VENTED ENCLOSURE (F R EQUENCY RESPONSE @ 2.83V)
d8 SP L
87 40
82 J
77
72
67
62
I
:::
1 ····· .. -- ·- ··· ···· ·· ·· +·· ·· ·· ··--·+·-····--;·-- -- 1-·---t--·++ -+---·- --·-- ·· +· --· - ·i :: : ~
lO S 1 02
1 00 97
8 n
~
:: p<- .................... f ···----- ·+-·-·-+-~ -- .. -+ -·+--- f-+·-···--··· · -\- ·----· .. +- - .. .. -- . .. -1
75 , .. . .... ... .... ... .. . .. , . • .• + -+-~- -+ -- +--r-+---------- ~~
70
65
L---------~~~--~~~--------~----~
20 Hz 30
300
87 40
:: J
72
67
62
BAND - PAss - Box VoLUME (INcLuDEs DRIVER/PoRT DisPLAc EMEN Ts) BAND-PAss ENCLOSURE (FREQUENcY RE sPoNsE@ 2.83V)
~
i
=
2 Ports
length =
Reference 1200s
fs=
53 Hz
7-1/
2"
1 90. 5 mm
(s id e vi ew)
~
1
--
tx:::::
1 ~ 1
1 02 mm
V R EAR = 1.00 ft
3
(28.31 liters) VFR O NT= 1.75 ft
3
(49.55 liters)
dBSP L
I' "
"' l
110
107
105
102
\00
97
95
92
zo 90
87 40
~ .,
"j
80
77
75
72
70
67
65
62
20H z 30
40 50
60
70
80 90 100
200
Ha rm an Inte rn at io nal Indu s tri es , In c., 8500 Balboa Blvd., Northridge, CA 91 329 • www.in fin ity speakers.com