| INTERGRATED CIRCUITS |  
        | IC1      | LM 358 (T.I.) Sub: 
                                NA 798 (Fairchild) Sub: 
                                LM 258 (T.I.)
         |  
        | TRANSISTORS |  
        | Q1  | NPN 2SC945 Sub:2N3904             |  
        | Q2  | NPN 2SC945 Sub:2N3904             |  
        | Q3  | NPN 2N4401                        |  
        | Q5  | NPN 2SC945 Sub: 2N3904            |  
        | DIODES |  
        | CR1 -CR4  | IN4148 |  
        RESISTORS - All values are in ohms-1/4 W 5% unless noted otherwise. |  
        | R1  | 220K                               |  
        | R2  | 15K                                |  
        | R3  | 270                                |  
        | R6  | 5.6 K 1/4w 2% (sub 1 %)            |  
        | R7  | 10K 1/4w 2% (sub 1 %)              |  
        | R8  | 47 1/4w 2% (sub 1 %)               |  
        | R9  | 10K                                |  
        | R10 |  10K                               |  
        | R11 |  10K                               |  
        | R13 |  2M                                |  
        | R15 |  470                               |  
        | R20 |  10K                               |  
     
 | 
    
        | RESISTORS (Continued) |  
        | R21  | 3.3K     |  
        | R22  | 100      |  
        | R23  | 1K       |  
        | R26  | 750K      |  
        | R27  | 750     |  
        | R28  | 2200     |  
        | R29  | 47K      |  
        | R31  | 22K      |  
        | R32  | 47       |  
        | R35  | 75K      |  
        | R36  | 15K      |  
        | CAPACITORS  |  
        | C1  | Electrolytic 47 µF 10V  |  
        | C3  | Film .1 µF 16V          |  
        | C4  | Ceramic .001 µF 50V     |  
        | C5  | Ceramic .1 µF 16V       |  
        | C11 |  Ceramic .001 µF 50V    |  
        | C15 | Electrolytic 22 µF 10V  |  
        | C16 |  Ceramic .1 µF 16V      |  
        | C17 |  Ceramic .1 µF 16V      |  
        | MISC. |  
        | SWI |  Slide Switch SEA-621         |  
     
 |