Jensen C12K 8 Ohm User manual
Loudspeakers
12"- 100W Vintage Ceramic Guitar Loudspeaker
C12K - 4Ω / 8Ω / 16Ω
G ENE RAL C HARACTE RIST ICS
Nominal Ov erall Dia met er 307 mm. 12 in.
Nominal Voice Coil Diamete r 50 mm. 2.00 in.
Mag net Wei ght 1450 g 50.0 0 oz
Ove rall Weig ht 9.6 5 lbs
Flux Dens ity 1.10 T
THIEL E-S MALL PAR AMETERS 4 Ω 8Ω 16 Ω
Voice Coil DC Re sis tance
R
E
3.25 7.00 12.00 Ω
Res onance Frequ ency
ƒ
S
102.0 104.0 107.0 Hz
Me chanical Q Facto r
Q
M S
19.8 0 20.41 22.37
Electrical Q Factor
Q
ES
0.54 0 .67 0 .78
To tal Q Facto r
Q
TS
0.52 0 .65 0.75
Me chanical Movin g Mas s
M
M S
34.9 28 .8 29.3 g
Me chanical Complian ce
C
M S
70 82 77 µm/N
Force Factor Bx L 11.65 13.95 17.70 Wb/m
Equi valent Acous tic Volu me
V
AS
23.6 27.6 26.0 lt.
Maximum Lin ear Disp lacemen t
X
M AX
± 1.00 ± 1.00 ± 1.00 mm
Refe rence Efficie ncy
n
O
4.47 4.43 3.8 9 %
Diap hragm Area
S
D
490 .9 490 .9 490 .9
cm
2
Los se s Ele ctrical Resi stan ce
R
ES
120.0 210.0 360 .0 Ω
Voice Coil In ducta nce @ 1kHz
L
E
0.6 1 0 .84 1.36 mH
CO NST RUC TIVE CHARAC TER IST ICS
Mag net Ferrit e
Voice Coil Win ding Cop per
Voice Coil Fo rmer Kapt on
Con e Mate rial Paper
Surrou nd Mate rial Int egrated Pape r
Dus t Do me Material Non -trea ted Cloth
Bask et M aterial Presse d S hee t S tee l
ELECTR ICAL CHARACT ERI ST ICS 4 Ω 8 Ω 1 6 Ω
Nominal Impe dance 4 8 16 Ω
Rate d Po wer 100 10 0 10 0 W
Musical Po wer 200 200 20 0 W
Sen sitivity@1W,1m 99 .4 9 9.1 99.0 dB
2.7
126.0
4.391.0
35.0
277.0
307.0
n° 8 holes Ø 6.5
at 45° on Ø 293.5
8.0
Ø155.0
12/21/2015
Due to continuing product improvement, the features and the design are subject to change without notice.
Je nse n Lo udspe akers · we bsit e: www.j ens en ton e.c om · e mail: info @ jen se nto ne .com
2 5
100
2 5
1000
2 5
10k
2
+60
+65
+70
+75
+80
+85
+90
+95
+100
+105
+110
5
10
2
5
100
2
5
Frequency Response on IEC Baffle (DIN 45575) @ 1W, 1m - Free Air Impedance
Hz
dB SPL
Ω
C12K 4 Ω
C12K 8 Ω
C12K 1 6Ω
1
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