Ampeg 2033759-XX Schematic
78
6
5
34
2
1
D
NOTE; INSTALL VI- V6 RESPECTFULLY INTO TUBE SOCKETS
JI - J6 USING POWER TUBE 6550A.
TO POWER AMP
J13
C
TO POWER AMP
J7-1
J7-2
J7-3
J7-4
J7-5
J7-6
J7-7
J7-8
J7-9
J7-10
J7-11
J7-12
J7-13
J7-14
J7-15
J7-16
PIN SWAP REQD
J10
TO PREAMP
1
2
B
J8
FROM FILAMENT
TRANSFORMER
J9
FIL2
FIL1
FIL1
FIL2
345V
L1
FERRITE
3
4
5
8
R1
47K
0.24V
0.24V
2
7
8
5
4
3
47K
R8
8 PIN OCTAL SOCKET
L4
FERRITE
J1
8 PIN OCTAL SOCKET
7
FIL1
2
FIL2
FIL2
FIL1
J4
R2
D1
220
1/2W
1N4007TR
FLAMEPROOF
FLAMEPROOF
R7
220
1/2W
DO NOT STUFF
R3
47K
D7
1N4007TR
DO NOT STUFF
R10
47K
660V 372V
0.24V
5
5
L3
FERRITE
3
4
8
7
2
2
7
8
4
3
8 PIN OCTAL SOCKET
L6
FERRITE
0.24V
0.24V
5
5
L2
FERRITE
3
4
8
8
3
4
L5
FERRITE
660V
J2
8 PIN OCTAL SOCKET
7
FIL1
2
FIL2
2
FIL2
FIL1
7
J5
8 PIN OCTAL SOCKET
R4
D2
220
1/2W
1N4007TR
FLAMEPROOF
DO NOT STUFF
R5
47K
30V
APPROX -45V
R9
D8
220
1/2W
1N4007TR
FLAMEPROOF
DO NOT STUFF
30V
APPROX -45V
R12
47K
R6
220
1/2W
FLAMEPROOF
J3
8 PIN OCTAL SOCKET
FIL1
FIL2
FIL2
FLAMEPROOF
FIL1
J6
R11
220
1/2W
D3
1N4007TR
DO NOT STUFF
D9
1N4007TR
DO NOT STUFF
372V
D4
1N4007TR
D5
1N4007TR
D6
1N4007TR
D10
1N4007TR
D11
1N4007TR
D12
1N4007TR
J12
TRANSFORMER
J11
BLU/WHT
CAUTION:
THIS SCHEMATIC IS PROVIDED FOR USE BY QUALIFIED PERSONNEL.
TO AVOID RISK OF ELECTRIC SHOCK, REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL. DO NOT PERFORM ANY SERVICING BEYOND
THAT EXPLAINED IN THE OPERATING INSTRUCTIONS.
NOTES:
1) CAUTION: SHOCK HAZARD!!
THIS UNIT CONTAINS HAZARDOUS VOLTAGE. DISCONNECT POWER
AND BE SURE POWER SUPPLY IS DISCHARGED BEFORE
TOUCHING INTERNAL PARTS.
2) UNLESS NOTED, RESISTOR VALUES IN OHMS, 1/4W-5% TOL.
CAPACITOR VALUES IN MICROFARADS, 50V-10% TOL.
3) VOLTAGES ARE MEASURED WITH 1 MEGOHM OSCILLOSCOPE
AND 10 MEGOHM DIGITAL VOLTMETER.
D
C
B
PCB FAB SVTCL TUBE
2033758-01
PCB1
2033758-11
SCHEMATIC PCB ASSY SVTCL TUBE
SCH1
A
2033759-XX
© 2009 LOUD TECHNOLOGIES INC.
ALL RIGHTS RESERVED
THE INFORMATION CONTAINED HEREIN
IS PROPRIETARY AND CONFIDENTIAL
PROPERTY OF LOUD TECHNOLOGIES INC.
87
6
5
4
3
APPROVALS DATE
DRAWN:
CHECKED:
NP ENG:
MATERIAL:
MFG:
MFG ENG:
ISSUED:
8-9-09TH
LOUD Technologies Inc.
16220 WOOD-RED RD NE WOODINVILLE, WA 98072
A
SCHEMATIC
TUBE
SIZE
SCALE:
D
DWG FILE:
2
NONE
DWG. NO.
2033759-XX-B00.sch
2033759-XX
SHEET
1
REV.
B00
OF
1
1
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