Quantity

Part ID

Part Specs.

Description

1

U4

LM7812

12 volt Voltage Regulator

1

U1

LM324

Quad Op AMP

1

U1 - 14 pin scoket

14 pin socket

14 pin IC socket

6

R1,2,3,4,5,6

100 Ohm 1/4 watt resistors

Resistors ( brown black brown )

4

R7,8,9,10

1Meg Ohm 1/4 watt resistors

Resistors ( brown black green )

2

R11,12

330 Ohm 1/4 watt resistors

Resistors ( orange orange brown )

2

R13,14

1K Ohm 1/4 watt resistors

Resistors (brown black red )

2

R15,16

4.7K Ohm 1/4 watt resistors

Resistors ( yellow violet red )

2

Vr1, 2 (Pot1a, Pot1b)

1K Ohm Potentiometers

Dual audio linear pot. or 2 single linear pots.

2

Vr3,4

10K Ohm Variable Resistors

Trimmer pots

2

D1, 2

Regular LEDs

Green

1

C1

100uf 50 volts Capacitor

1

PCB

PCB board - v1.2

1

black box

2.19"x .83" x 3.3"

4

nylon spacers

.25 " x .25 " x #4 screw hole

4

#4 screws, .25" long