Boss PH-2 - Page 4

PH-2
ELECTRICAL PARTS CHANGE INFORMATION
EFFECTIVE
SEREIAL
NUMBER
~
497100
FOR NOISE
REDUCTION
CHANGE
TO:
R65
4.7K 12K
R66 6.8K 4.7K
R68 lOK 5. 6K
R70 18K 6. 8K
R72
22K
8.
2K
R74 4.7K lOK
R76
12K 22K
R79 lOK 27K
R89 6.
8K 5. 6K
C12
0.47/50 0.1/50
COMPATIBLE
PARTS
CHANGE TO:
IC2: NE571 NE571
(UPC1571
)
OR NE570
(15219108)
IC
3,5,8,10:
IR9022
IR9022 OR
TL022
(15189115)