| Qty. | Description | Value | Designators |
|---|---|---|---|
| 1 | CD40106 (or 74C14) | CD40106 | U1 |
| 1 | LM741 (or equiv TL071, LF411) | LM741 | U2 |
| 2 | 1N914 (or equiv 1N4148)(s) | 1N914 | D1, D2 |
| 2 | 2N3904 (or general purpose NPN) | 2N3904 | Q1, Q2 |
| 4 | Ceramic Capacitor(s) | .022uF | C4, C5, C13, C12 |
| 3 | Ceramic Capacitor(s) | .1uF | C9, C10, C1 |
| 2 | Ceramic Capacitor(s) | 470pF | C2, C3 |
| 5 | Electrolytic Capacitor(s) | 1uF | C6, C7, C15, C14, C16 |
| 2 | Electrolytic Capacitor(s) | 220uF | C8, C11 |
| 3 | Potentiometer(s) | 100K | R18, R31, R29 |
| 7 | Potentiometer(s) | 1M | R9, R1, R13, R3, R25, R26, R20 |
| 1 | Potentiometer | 250K | R32 |
| 2 | Resistor 1/4 Watt 5%(s) | 100K | R16, R17 |
| 1 | Resistor 1/4 Watt 5% | 10M | R4 |
| 2 | Resistor 1/4 Watt 5%(s) | 1K | R8, R12 |
| 4 | Resistor 1/4 Watt 5%(s) | 1M | R5, R2, R22, R21 |
| 9 | Resistor 1/4 Watt 5%(s) | 4.7K | R7, R6, R15, R14, R10, R24, R23, R28, R27 |
| 4 | Resistor 1/4 Watt 5%(s) | 47K | R19, R33, R30, R34 |
| 1 | Resistor 1/4 Watt 5% | 750K | R11 |
| 7 | SPST Switch(s) | SPST | S2, S1, S3, S6, S5, S4, S7 |
| 1 | 9V Battery Clip | 9V Battery Clip | Clip for B1 |
| 11 | Potentiometer Knobs | For all pots | |
| Front Plate and case materials. | For case |