8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
J
J
K
K
Product
Date:
Filename:
PCB#
M643 4v00.sch2002
C2890
Thu Feb 17, 2005
Cross-over
of
Sheet
Rev:
2
1
V4.00
M643
Product
Date:
Filename:
PCB#
M643 4v00.sch2002
C2890
Thu Feb 17, 2005
Cross-over
of
Sheet
Rev:
2
1
M643
n.c.
n.c.
3397
Yellow
Black
8R2
15.W
R1
L4
220UH
3780
+
DE 10-8R
HORN
SP3
2U2
100V
C3
R2
3R9
10.W
_W1
-
+
_SP2
Celestion 8" 16R
C4
100V
10U
Red
L2
300UH
3784
100V
C1
5U6
690UH
3901
L1
15U
100V
C2
Black
+
-
_SP3
DE 10-8R
Speaker Conection
Female molex .156
YS# 3559
Male Molex .156
YS# 3538_8
SLEEVE
Input
1/4in JCK
J2
3924
WOOFER
YS#7330 8" 16R
SP2
WOOFER
SP1
YS#7330 8" 16R
SLEEVE
Input
1/4in JCK
J1
3924
560UH
3772
L3
-
+
_SP1
Celestion 8" 16R
LAMP1
Val
3641
R
B
Banana Jacks
Input
BANR
J3
9
10
11
12
13
MODEL(S):-
DATE
VER#
DESCRIPTION OF CHANGE
#
1
2
3
4
5
6
7
8
N
N
N
N
N
V
V
V
V
V
D
D
D
D
D
N
N
N
AH: Move LAMP1 Down to avoide short with B jack
ADDED 1/2, 2/2 LABELS
PC#6754: FIXED L1 ROUTE SLOTS BY FORCE UPDATE,
Redo_mask and trace for better soldering
V
V
V
4.00
.
3.00
2.00
1.00
D
D
17-FEB-2005
.
JAN-27-2005
Oct/25/2002
C2890
New M643 Board
Sept/27/02
D
M643 PCB Database History
Yorkville Sound
03/08/05 13:29:54
HORNWOOF.ATS2
-50
+20
-40
-30
-20
-10
+0
+10
d
B
V
-50
+20
-40
-30
-20
-10
+0
+10
d
B
V
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
HORNWOOF