| 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 2SD468 (H) Sub: 2SD471 (NEC)  |  
        | Q4  | NPN 2SB562 (H) Sub: 2SB564 (NEC)  |  
        | 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                                |  
        | R4  | 10K                                |  
        | 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                               |  
        | R12 |  10K                               |  
        | R13 |  2M                                |  
        | R14 |  4.7 K                             |  
        | R15 |  1K                                |  
     
 | 
    
        | RESISTORS (Continued) |  
        | R16  | 100K     |  
        | R18  | 100      |  
        | R19  | 470      |  
        | R20  | 10K      |  
        | R21  | 3.3K     |  
        | R22  | 100      |  
        | R23  | 1K       |  
        | R24  | 10K      |  
        | R25  | 10K      |  
        | R36  | 15K      |  
        | CAPACITORS  |  
        | C1  | Electrolytic 47 µF 10V  |  
        | C2  | Electrolytic 10 µF 10V  |  
        | C3  | Film .1 µF 100V         |  
        | C4  | Ceramic .001 µF 50V     |  
        | C5  | Ceramic .1 µF 16V       |  
        | C6  | Ceramic .001 µF 50V     |  
        | C7  | Ceramic .01 µF 50V      |  
        | C9  | Ceramic 100 pF 50V            |  
        | C10 |  Ceramic 100 pF 50V           |  
        | C11 |  Ceramic .001 µF 50V    |  
        | C17 |  Ceramic .1 µF 16V      |  
        | MISC. |  
        | SWI |  Slide Switch SEA-621         |  
     
 |