Chinese "Classic 47" Variant     2021/10/19
Ami Sapphire


Product name: 47-PB0 DA1
PCB name: OPAMP-PRO
PCB design: L0094

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Bill of Materials


Capacitors
Note: Cap brands are listed here for historical note only.

Electrolytic
CD1, CD4, CD5, CD8 - 47uf 25V [Elna RE3] - Quantity: 4
CD2, CD3, CD6, CD7 - 47uf 63V [Panasonic FC] - Quantity: 4
CD9 - 220uf 35V [Nippon Chemicon LXZ] - Quantity: 1

Film
C1 - 100nf 100V - Quantity: 1


Resistors
Note: All resistors are metal film type at 1% tolerance, rated at 0.5W.

2K - Quantity: 2
10K - Quantity: 3
22K - Quantity: 6
100K - Quantity: 2


ICs

IC1, IC2 - LM358, NE5532, TL072, TLE2072 - Quantity: 2


Misc
IC1, IC2 - 8-Pin Sockets - Quantity: 2
GND, VCC - Power Tap, 2-pin - Quantity: 1
PHONE1, PHONE2 - 3.5mm Phono Jacks - Quantity: 2
RP1 - Potentiometer, 50Ohm - Quantity: 1
LED1 - LED, 3mm to 5mm - Quantity: 1
GND (right edge) - wire shield to ground/earth