Crest ProLine preamp User Manual
8
7
6
5
4
3
2
1
R8
10K
R7
10K
R13
220K
C6 30pF
SIP1B
10K/0.2%
-
6
+
5
VCC+
C5
470pF
IC1B
NE5532AN
R9
1K
(NEW)
2N5401
Q3
R11
22K
100K
C2
D2
1N4148
47/35V
D3
1N4148
D13
R10
1N4148
R31
4.7K
R32
1.5K/1%
R33
22K
R30
C13
10/35V
47K
84
3
+
1
R14
10K/1%
2
-
IC1A
NE5532AN
R15
10K/1%
2.2/5%/100V
2N5401
Q9
C8
7
VCC-
Q2
R5
4.7K
VCC+
R6
10K
C1
100/35V
TURN ON DELAY
D5
1N4148
D6
1N4148
C4
30pF
BALANCED INPUT/GAIN
D7
1N4148
C7
0.1/50V
D1
1N4148
R1
15K
R2
330K
D D
VCC-
13
12
11
10
9
8
7
6
5
4
3
2
1
J2-M
26-48-1135
C3 0.1/50V
SIP1A
10K/0.2%
SIP1C
Q1
2N5401
R4
22K
R3
2N5551
10K
D4
1N4148
10K/0.2%
SIP1D
10K/0.2%
C C
2N5551
2.2K
Q8
R49
C9
2.2/5%/100V
R16
150K
SPEAKER
SIGNAL
CLIP
CONTROL
SPEAKER
LIMIT
MUTE
B B
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J3-M
26-48-1155
R21
100K
R82
NOTE 4
VR1
NOTE 4
D8
1N4148
C11
1/50V
R22 10K
D10 1N4148
D11 1N4148
R23 10K
D9
1N4148
R24
680K
5
+
6
-
R25
680K
C12 1/50V
VCC+
2
3
VCC-
VCC+
R26
1K
7
IC2B
RC4559
VCC- VCC-
SIGNAL DETECTOR CLIP DETECTOR AMPLIFIER FRONT END/IC POWER SUPPLY
R17
4.7K
84
1
+-IC2A
RC4559
SERVO/HIGH PASS I.G.M. DETECTOR
R18
2.2K
R19
10K
C10
0.001/50V
576/1%
(NEW)
R20
R27
2.2K
D21
NOTE 4
1N4148
D20
VCC+
R29
2.7K
84
(NEW)
3
+
1
2
-
1C3A
LM393
R28
10K
R81
10K
D12
1N4148
ATTENUATOR DRIVER
VCC-
ATTENUATION/MUTE
R39
100K
R38
47K
VCC-
R50
10K
7
IC3B
LM393
R34
499/1%
1
2
3
4
5
6
7
8 9
IC4
NE5517AN
R40
47K
R41
100K
VCC+
5
+
6
-
2N5551
R51
1M
R52
100K
2N5551
Q4
16
15
14
13
12
11
10
1nF
R42
100K
Q12
C23
VCC-
R53
100K
R54
1M
2N5401
Q5
R37
47K
R35
750/1%
2.7K
(NEW)
Z5
SELECT
D23
1N4004
R44
SELECT
D22
1N4004
Z6
SELECT
2.2K
2.2K
R36
R47
SELECT
R45
100/1%
R43
100/1%
R46
SELECT
R55
D14
1N4148
D15
1N4148
R56
VCC+
Z1 1N5353
C14 470uF
C16 470uF
0.47/250V
Z3 1N5938
Z4 1N5938
0.47/250V
C17 470uF
C15 470uF
Z2 1N5353
C18
0.1uF
R57
100
R58
100
C20
C21
0.1uF
C19
2N5401
VCC+
R65
NOTE 3
2N5551
Q6
R69
NOTE 1
Q10
2N5551
Q14
2N5551
R59
511/1%
R74
R76
NOTE 2
R78
2.7K
R79
11K/1%/1W
R80
576/1%
(NEW)
R77
NOTE 2
47
D18
SF14
C22
09-52-3172
J1-F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
30pF
D19
SF14
R75
D16
1N4148
D17
1N4148
Q1A
MPQ6700
R61
68.1/1%
R63
8.25K/1%
R62
68.1/1%
Q1C
MPQ6700
MPQ6700
MPQ6700
Q1B
R67
68.1/1%
R71
R64
8.25K/1%
R68
68.1/1%
100
R72
100
Q1D
47
Q11
R70
NOTE 1
2N5401
Q15
2N5401
Q7
R60
511/1%
R66
NOTE 3
VCC-
NOTE 1: 8.2K 2W ON MODELS 8001, 7001, CV601
6.8K 2W ON MODELS 6001, 4801
4.3K 2W ON MODEL 4601
5.6K 2W ON MODELS CC301/300
3.3K 2W ON MODELS CV301, CC151, 3301
A A
NOTE 2: 27K 2W ON MODELS 8001, 7001, CV601
20K 2W ON MODELS 6001, 4801, CC301
16K 2W ON MODEL 4601
15K 2W ON MODELS CV301, CC151, 3301
8
7
NOTE 3: 750 10W ON MODELS 8001, CV601
680 10W ON MODEL 7001
620 10W ON MODEL 6001
560 10W ON MODELS 4801, MA5850
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, 3301
360 10W ON MODEL CC151
NOTE 4: R82, D20, VR1 ARE USED ON MODEL MA5850 ONLY
PRIOR TO 6-2-92 R65, R66 WERE 1K/10W ON MODEL CC151 NOTE 5:
6
1.1K 10W ON MODEL 4601
560 10W ON MODELS CC301
1K 10W ON MODELS CV301, CC151, 3301
NOTE 4: R82, R83, D20, VR1 ARE USED ON MODEL MA5850 ONLY
5
REV NOTES 7/15/93
(1) DELETE R12
CREST AUDIO INC.
150 Florence Ave.
Hawthorne, NJ 07506
Title
PRO-LINE PREAMP/FRONT END
Size Document Number Rev
21C1124-02 02
C
4
3
Date: Sheet of
2
1 1Wednesday, May 17, 2000
1
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