
User’s Manual
‘SP’ Models based upon the CA Series
KLING & FREITAG GMBH ©2003 - 2006
Version 6.1, 19.06.2006
Page 27 of 54
12.
Block Diagram of the SP Full-Range Speaker
PHAS
E-
C
O
RR
ECT
ION
MA
IN
BO
AR
D
'F
ILTERBOARD FULLRANGE'
IN
PU
T U
N
IT
LO
UD
SP
EA
KE
R
A
M
PLI
FI
ER
U
N
IT
HI-
PA
SS
GAIN
±
6 dB
FI
LT
ER
S
'O
N
' /
'O
FF
'
HF
-
COR
RE
CT
ION
ER
RO
R
CONT
RO
LL
ER
LI
M
ITER
RM
S
+ PE
A
K
TH
RES
H
O
LD
PE
A
K
TH
RESH
O
LD
RM
S
HI-
PA
SS
G
N
D
-L
IF
T
ERRO
R
SI
GNAL
2
3
1
2
3
1
BI
-C
O
LO
U
R
LE
D
PA
SS
IV
E C
RO
SS
O
V
ER
LF
HF
DIGIT
A
L
AM
P
FU
SE
PO
W
ER SU
PP
LY
PO
TE
C
TI
O
N
CI
RC
U
IT
L
N
L
N
SCHEM
A
TI
C F
U
LL
RANG
E L
O
UDSPEAK
ER
'S
P'
±12 V
D
C
PO
W
ER '
O
N
'