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Minimoog Ladder VCF
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- Other· Filters Wahs and VCFs
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- Filters Wahs and VCFs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 75 rows
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Check before you build · 3 values the reader of this schematic was not sure of
- R48: designator reads like R43, taken as R48 by sequence
- R49: value faded, reads 33K
- C601-C604: no values drawn
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 31 | ||||
| R45 | 33K | 33k | read from the schematic by eye | |
| R46 | 33K | 33k | read from the schematic by eye | |
| R47 | 33K | 33k | read from the schematic by eye | |
| R48 | 12K | 12k | designator drawn like R43; sits between R47 and R49; read from the schematic by eye | |
| R49 | 33K | 33k | value partly faded; read from the schematic by eye | |
| R51 | 100K | 100k | read from the schematic by eye | |
| R52 | 33K | 33k | read from the schematic by eye | |
| R53 | 300K | 300k | read from the schematic by eye | |
| R54 | 150K | 150k | read from the schematic by eye | |
| R55 | 200K | 200k | read from the schematic by eye | |
| R601 | 47K | 47k | read from the schematic by eye | |
| R602 | 2.4K | 2.4k | read from the schematic by eye | |
| R604 | 120K | 120k | labeled RANGE; read from the schematic by eye | |
| R605 | 330 | 330 | read from the schematic by eye | |
| R606 | 680 | 680 | read from the schematic by eye | |
| R607 | 200 | 200 | read from the schematic by eye | |
| R608 | 150 | 150 | read from the schematic by eye | |
| R610 | 470 | 470 | read from the schematic by eye | |
| R611 | 150 | 150 | read from the schematic by eye | |
| R612 | 150 | 150 | read from the schematic by eye | |
| R613 | 150 | 150 | read from the schematic by eye | |
| R614 | 150 | 150 | read from the schematic by eye | |
| R615 | 220 | 220 | read from the schematic by eye | |
| R616 | 47 | 47 | read from the schematic by eye | |
| R617 | 180 | 180 | read from the schematic by eye | |
| R618 | 1K | 1k | read from the schematic by eye | |
| R619 | 47K | 47k | read from the schematic by eye | |
| R620 | 220K | 220k | read from the schematic by eye | |
| R621 | 1K | 1k | read from the schematic by eye | |
| R622 | 220K | 220k | read from the schematic by eye | |
| R623 | 47K | 47k | read from the schematic by eye | |
| Capacitors 11 | ||||
| C601 | ? | ? | ladder capacitor, no value drawn; read from the schematic by eye | |
| C602 | ? | ? | ladder capacitor, no value drawn; read from the schematic by eye | |
| C603 | ? | ? | ladder capacitor, no value drawn; read from the schematic by eye | |
| C604 | ? | ? | ladder capacitor, no value drawn; read from the schematic by eye | |
| C605 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C606 | 200uF | 200u | electrolytic; read from the schematic by eye | |
| C607 | .22uF | 220n | drawn .22; read from the schematic by eye | |
| C608 | .22uF | 220n | drawn .22; read from the schematic by eye | |
| C609 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C610 | 80uF | 80u | electrolytic; read from the schematic by eye | |
| ×1 | 100pF | 100p | across R602 at Q601 base, no designator; read from the schematic by eye | |
| Transistors 16 | ||||
| Q601 | TIS93 | TIS93 | PNP; read from the schematic by eye | |
| Q602 | TIS92 | TIS92 | NPN; read from the schematic by eye | |
| Q603 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q604 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q605 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q606 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q607 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q608 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q609 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q610 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q611 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q612 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q613 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q614 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q615 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Q616 | TIS97 | TIS97 | NPN, matched pairs (M); read from the schematic by eye | |
| Potentiometers 7 | ||||
| R6 | 25K | 25k | Potentiometer | Osc 1 level; read from the schematic by eye |
| R7 | 25K | 25k | Potentiometer | Osc 2 level; read from the schematic by eye |
| R8 | 25K | 25k | Potentiometer | Osc 3 level; read from the schematic by eye |
| R10 | 25K | 25k | Potentiometer | Noise level; read from the schematic by eye |
| Emphasis | A50K | A50k | Potentiometer | R14, drawn 50K CCW audio; read from the schematic by eye |
| Amount of Contour | 5K | 5k | Potentiometer | R17; read from the schematic by eye |
| Cutoff Frequency | ? | ? | Potentiometer | no designator or value drawn; between +10 and -10; read from the schematic by eye |
| Trimmers 2 | ||||
| R603 | 10K | 10k | range adjust; read from the schematic by eye | |
| R609 | 1K | 1k | Regen Cal; read from the schematic by eye | |
| Switches 8 | ||||
| SW9 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW10 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW11 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW12 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW13 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW15 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW16 | SPDT | SPDT | input on/off; read from the schematic by eye | |
| SW17 | SPDT | SPDT | input on/off; read from the schematic by eye | |