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6 5 4 3 2 1
REVISION RECORD
LTR REVISIONS DONE OR ECO NUMBER: DATE:
F.3 Redraw in PADS; chg 5% resistors w/ 1%. 03/12/96
F.4 Changed R102 from 130 ohms/5% to 121 05/09/96
+15V ohms/1% to standardize on 1% values.
F.5 Changed note on pg3 to make R29-30 20 Ohm 1 0 / 8 / 9 7
R118
D C5
R119 3
***
CW
2
*** D
100K
C9 TRIM 768K C10 *** SEE NOTES ON PAGE 3 REGARDING OUTPUT
47pF 1
TRANSFORMER OPTION (501-01)
+15V
INPUT R38 R1 R3 82pF
82pF C13 * * * OUTPUT
J1 R20 -15V
R22
XLR-FEMALE 2K10 43K2 45K3 3 7
+
U1A C7 EC1 VCC 13K0 100/35
2 2 R5 10K0 J3
1 - 1 1 U2 8 6 U1B
IN 2150A OUT - R21 T2 * * * XLR-MALE
3 3 7 2 U4A R30 * * *
+ 13K0 5 - 1 5 121005 7 2
BA4560 4.7NP S V E G +
4 Y E C N 10K0 3 1
M E 2 D BA4560 + 100.0 3
R100 R2 BA4560
4 5 2 6
CHGND R31 4
2K00 13K0 +15V 100K0
C1 C2 R4 C6 +15V
.001 .001 15K0 150pF R6 4 2
J2 51.1 OHM CHGND
3 J4
C R17
100K
CW
2
R9
R10
2
CW 3 6 8 C
TRIM 1M
R11 OUTPUT
50KB GAIN
1 R7 7K50 R32
5K11 R8 1 100K0
61.9 OHM
5 U4B R29 * * *
SIDECHAIN -15V + 7 3 1
(SH2) -15V 6
-15V
- 100.0
BA4560 C14 * * *
R19
+ +15V
VC 100/35
825 OHM (SH2 & 3)
+15V
R18
61.9 OHM
R37
2K37
R35
B 200K0
D2
OUTPUT
B
U9D RED
9 PEAK
D1 + 14
R33
8
-
10K0 LM339
1N4148
R34 C17 R36
1M .1uF 49K9
COMPANY:
SYMETRIX, INC.
A 14926 35th Avenue West A
Lynnwood, WA 98037-2303 USA
TITLE: REV:
DRAWN:
B
A
S
DATED:
03/12/96
501 LIMITER - COMPRESSOR F.5
DRAWING NO:
RELEASED: DATED:
020150 SHEET: 1 OF 3
6 5 4 3 2 1
C59 R39
J5
SIDECHAIN
100.0 (SH1)
TO EQ 4.7NP
R40
100K0
D SIDECHAIN C19
4.7NP
MASTER SLAVE (SHOWN IN
MASTER POSITION)
D
INSERTION J6 3 SW3A
2
FROM EQ 1
R41
100K0 R63
R58
J7 0 OHM
0 OHM 3 SW2A
STEREO +15V 6 U7B
R64 2
INTER- 7 LIMITER 2 U7A
R61
- 7
8 D7 -
CONNECT IN/OUT R53
3
1 5
+ 1K00
1
3 U6A D3 3 + BA4560
SW2C 9 + 2 10K0
R115 1 5 U6B BA4560
+ 200.0
C20 100K0 2 7 1N4148 6 SW2B
- 6 C24
BA4560 1N4148 - 1 SW4A R62 5
R47 C21 BA4560 R54 .01
R45 .039
CW R51 49K9 MY
4.7NP +15V 3 2M0 MY R50 4
1K00
C R42
100K0 2
R120
100K
TRIM
24K3
D4
14K0 C22
10K0
VC
C
3 CW
R44 1 +15V (SH1 & 3)
R43 2 1N4148 +15V
50KB D5 10pF D6
158K0 1N4148 1N4148
U12C Q1 1 R46 R55
LM3046 2N4401 LIMITER 1K00 100K0
D8
R65 GRN
10 11 THRESHOLD R49 10 U9C R93
10K0 - 13 200.0
6K98 11 +15V
R52 C23 + R59
R74 C28 LM339 2K37
9 536K .1uF
1M .047 MY R56
U12B ATTACK D16 R101
3 U8A D11 2 +15V
LM3046 D9 + 1M 1N4148 2K10
R66 1 1 3
8 7 2 R57
CW
- R83 2K00
BA4560 1N4148
6K98 R81 50KA R87 D30 COMPRESSOR
1N4148 -15V R78 10K0 D12 Q3 GRN
6 2N4401 SW5A
R95 THRESHOLD
SW1A 1K
B C27 24K3
D10
+15V
1N4148
+
100.0
1
2 5 U8B
1
2 1
2 TRIM
3
R121 D17 B
C50 Q4
.47/35T + 7
+15V 1N4148 C34 CW 2N4401
22pF 3 CW R88 3 6 3 1K21
R79 .001 - 1N4148
R77 + 10K0 BA4560 R94
2 U5A R82 D13 C33 R98
CW 3 - R71 3 CW 5K62
1 110K0 2 50KB 1N4148 3.3/25T R91 D36
R67 R68 90K9 +15V 8K45
3 R84 R96 2 1N4742
100K + 2K10 R80 1 3 CW
2 90K9 U12A 1M D14 20K0 50KB
TRIM BA4560 1K00
LM3046 5 1N4148
R89 RATIO
1 R69 R70 R72 Q2 -15V 2 50KA 1
D15
100.0 200K0 10K0 2N4401 4
COMPRESSOR R90
1N4148 -15V -15V
1 536K R97
-15V R73 THRESHOLD 2K10
+ R85 C31 RELEASE
10K0 3 C29 R76 100K0 .1 MY
1/35T 110K0 R92
2
R75 15K0
1M
U5B COMPANY:
6
5
- 7
1
+
C30 R86
+
C32
SYMETRIX, INC.
A +
BA4560
10/35 3M3 1/35T
14926 35th Avenue West A
Lynnwood, WA 98037 USA
-15V TITLE: REV:
DRAWN:
B
A
S
DATED:
03/12/96 501 LIMITER - COMPRESSOR F.5
DRAWING NO:
RELEASED: DATED:
020150 SHEET: 2 OF 3
6 5 4 3 2 1
+15V D35 MARKED D2 ON BOARD
R117
SW6A +15V
D R102
D18
1N4148 1
POWER U13 78M15 1K50 D35
RED
D
F1 2 T1 1 3
121 OHM VIN VOUT
VC 120013
(SH1 & 2) J8-1 SW7 1 7 +