Enclosure not stated · 3 knobs
Morley Echo Chorus Vibrato
Based on the Morley Echo Chorus Vibrato
- Category
- Vibrato / Chorus· Delay Echo and Samplers
- Price
- see vendor
- Tags
- Delay Echo and Samplers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 154 rows
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Check before you build · 9 values the reader of this schematic was not sure of
- R6: faint, reads 2.2K
- R7: reads 37K, likely 27K
- R19: 47 ohm or 47K
- R37: 27K or 37K
- R45: 1.5K or 15K
- C9/C24: NE571 caps, small text read as 10uF
- C10: .47uF or 47uF
- LDR3: VT-812 part number small
- Clock Balance trim drawn as TP3, clashes with Center Set TP3
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 76 | ||||
| R1 | 2.2K | 2.2k | read from the schematic by eye | |
| R2 | 470K | 470k | read from the schematic by eye | |
| R3 | 10K | 10k | read from the schematic by eye | |
| R4 | 22K | 22k | read from the schematic by eye | |
| R5 | 68K | 68k | read from the schematic by eye | |
| R6 | 2.2K | 2.2k | drawn faintly, reads 2.2K; read from the schematic by eye | |
| R7 | 27K | 27k | reads 37K; 27K or 39K likely; read from the schematic by eye | |
| R8 | 15K | 15k | read from the schematic by eye | |
| R9 | 33K | 33k | read from the schematic by eye | |
| R10 | 10K | 10k | read from the schematic by eye | |
| R11 | 15K | 15k | read from the schematic by eye | |
| R12 | 8.2K | 8.2k | read from the schematic by eye | |
| R13 | 8.2K | 8.2k | read from the schematic by eye | |
| R14 | 10K | 10k | read from the schematic by eye | |
| R15 | 8.2K | 8.2k | read from the schematic by eye | |
| R16 | 10K | 10k | read from the schematic by eye | |
| R17 | 10K | 10k | read from the schematic by eye | |
| R18 | 100K | 100k | read from the schematic by eye | |
| R19 | 47 | 47 | drawn 47 ohm (could be 47K); read from the schematic by eye | |
| R20 | 120K | 120k | read from the schematic by eye | |
| R21 | 120K | 120k | read from the schematic by eye | |
| R22 | 10K | 10k | read from the schematic by eye | |
| R23 | 10K | 10k | read from the schematic by eye | |
| R24 | 10K | 10k | read from the schematic by eye | |
| R25 | 10K | 10k | read from the schematic by eye | |
| R26 | 12K | 12k | read from the schematic by eye | |
| R27 | 10K | 10k | read from the schematic by eye | |
| R28 | 10K | 10k | read from the schematic by eye | |
| R29 | 10K | 10k | read from the schematic by eye | |
| R30 | 12K | 12k | read from the schematic by eye | |
| R31 | 15K | 15k | read from the schematic by eye | |
| R32 | 3.9K | 3.9k | read from the schematic by eye | |
| R33 | 15K | 15k | read from the schematic by eye | |
| R34 | 1.5K | 1.5k | read from the schematic by eye | |
| R35 | 820 | 820 | drawn 820 ohm; read from the schematic by eye | |
| R36 | 100K | 100k | read from the schematic by eye | |
| R37 | 27K | 27k | reads 27K or 37K; read from the schematic by eye | |
| R38 | 4.7K | 4.7k | read from the schematic by eye | |
| R39 | 4.7K | 4.7k | drawn '4.7 K'; read from the schematic by eye | |
| R40 | 27K | 27k | read from the schematic by eye | |
| R41 | 10K | 10k | read from the schematic by eye | |
| R42 | 10K | 10k | read from the schematic by eye | |
| R43 | 10K | 10k | read from the schematic by eye | |
| R44 | 3.3K | 3.3k | drawn faintly; read from the schematic by eye | |
| R45 | 1.5K | 1.5k | could be 15K; read from the schematic by eye | |
| R46 | 2.2K | 2.2k | read from the schematic by eye | |
| R47 | 10K | 10k | read from the schematic by eye | |
| R48 | 10K | 10k | read from the schematic by eye | |
| R49 | 1M | 1M | read from the schematic by eye | |
| R50 | 1M | 1M | read from the schematic by eye | |
| R51 | 4.7K | 4.7k | read from the schematic by eye | |
| R52 | 560K | 560k | read from the schematic by eye | |
| R53 | 1M | 1M | read from the schematic by eye | |
| R54 | 18K | 18k | read from the schematic by eye | |
| R55 | 20K | 20k | read from the schematic by eye | |
| R56 | 10M | 10M | read from the schematic by eye | |
| R57 | 68K | 68k | U4A input. Designator clash: R57 also drawn as the 10K from U4D; read from the schematic by eye | |
| R57 | 10K | 10k | U4D output; clash with the 68K R57; read from the schematic by eye | |
| R58 | 2.2M | 2.2M | read from the schematic by eye | |
| R60 | 10K | 10k | read from the schematic by eye | |
| R61 | 1K | 1k | read from the schematic by eye | |
| R62 | 10K | 10k | read from the schematic by eye | |
| R63 | 27K | 27k | read from the schematic by eye | |
| R64 | 1M | 1M | read from the schematic by eye | |
| R65 | 10K | 10k | read from the schematic by eye | |
| R66 | 680K | 680k | read from the schematic by eye | |
| R67 | 470K | 470k | read from the schematic by eye | |
| R68 | 1M | 1M | read from the schematic by eye | |
| R69 | 330K | 330k | read from the schematic by eye | |
| R70 | 10K | 10k | read from the schematic by eye | |
| R71 | 330K | 330k | read from the schematic by eye | |
| R72 | 1M | 1M | read from the schematic by eye | |
| R73 | 2.2M | 2.2M | read from the schematic by eye | |
| R74 | 1.5M | 1.5M | read from the schematic by eye | |
| R75 | 4.7M | 4.7M | read from the schematic by eye | |
| R76 | 10K | 10k | read from the schematic by eye | |
| Capacitors 44 | ||||
| C1 | .01uF | 10n | read from the schematic by eye | |
| C2 | 68pF | 68p | read from the schematic by eye | |
| C3 | .0022uF | 2.2n | read from the schematic by eye | |
| C4 | 1uF | 1u | 50V; read from the schematic by eye | |
| C5 | 1uF | 1u | 50V; read from the schematic by eye | |
| C6 | 1uF | 1u | 50V; read from the schematic by eye | |
| C7 | 1uF | 1u | 50V non-polar; read from the schematic by eye | |
| C8 | 1uF | 1u | 50V; read from the schematic by eye | |
| C9 | 10uF | 10u | NE571 rectifier cap; drawn small, reads 10uF; read from the schematic by eye | |
| C10 | .47uF | 470n | 50V; reads .47uF or 47uF; read from the schematic by eye | |
| C11 | 2.2uF | 2.2u | 50V; read from the schematic by eye | |
| C12 | .047uF | 47n | read from the schematic by eye | |
| C13 | .0015uF | 1.5n | read from the schematic by eye | |
| C14 | 1uF | 1u | 50V non-polar; read from the schematic by eye | |
| C15 | .01uF | 10n | read from the schematic by eye | |
| C16 | 220uF | 220u | 16V; read from the schematic by eye | |
| C17 | .0033uF | 3.3n | read from the schematic by eye | |
| C18 | .01uF | 10n | read from the schematic by eye | |
| C19 | .0033uF | 3.3n | read from the schematic by eye | |
| C20 | 680pF | 680p | read from the schematic by eye | |
| C21 | .0015uF | 1.5n | read from the schematic by eye | |
| C22 | .01uF | 10n | read from the schematic by eye | |
| C23 | 2.2uF | 2.2u | 50V; read from the schematic by eye | |
| C24 | 10uF | 10u | NE571 rectifier cap; drawn small, reads 10uF; read from the schematic by eye | |
| C25 | .68uF | 680n | 35V tantalum; read from the schematic by eye | |
| C26 | 1uF | 1u | 50V; read from the schematic by eye | |
| C27 | .01uF | 10n | read from the schematic by eye | |
| C28 | 2.2uF | 2.2u | 50V; read from the schematic by eye | |
| C29 | .01uF | 10n | read from the schematic by eye | |
| C30 | .0022uF | 2.2n | read from the schematic by eye | |
| C31 | .1uF | 100n | read from the schematic by eye | |
| C32 | .0047uF | 4.7n | read from the schematic by eye | |
| C33 | .068uF | 68n | read from the schematic by eye | |
| C34 | .01uF | 10n | read from the schematic by eye | |
| C35 | 1000uF | 1m | 25V; read from the schematic by eye | |
| C36 | .1uF | 100n | read from the schematic by eye | |
| C37 | .1uF | 100n | read from the schematic by eye | |
| C38 | 10uF | 10u | 50V; read from the schematic by eye | |
| C39 | .0022uF | 2.2n | read from the schematic by eye | |
| C40 | 4.7uF | 4.7u | 25V non-polar; read from the schematic by eye | |
| C41 | 1uF | 1u | 50V non-polar; read from the schematic by eye | |
| C42 | 68pF | 68p | read from the schematic by eye | |
| C43 | 2.2uF | 2.2u | 50V; read from the schematic by eye | |
| C44 | 1uF | 1u | 50V; read from the schematic by eye | |
| Diodes 5 | ||||
| D1 | 1N914 | 1N914 | read from the schematic by eye | |
| D2 | 1N914 | 1N914 | read from the schematic by eye | |
| D3 | 1N4003 | 1N4003 | supply rectifier; read from the schematic by eye | |
| D4 | 1N4003 | 1N4003 | supply rectifier; read from the schematic by eye | |
| D5 | 1N914 | 1N914 | read from the schematic by eye | |
| Transistors 7 | ||||
| Q1 | MPS-A12 | MPSA12 | darlington; read from the schematic by eye | |
| Q2 | 2N5087 | 2N5087 | read from the schematic by eye | |
| Q3 | MPS-A12 | MPSA12 | darlington; read from the schematic by eye | |
| Q4 | MPS-A12 | MPSA12 | darlington; read from the schematic by eye | |
| Q5 | MPS-A12 | MPSA12 | darlington; read from the schematic by eye | |
| Q6 | 2N5087 | 2N5087 | read from the schematic by eye | |
| Q7 | 2N5087 | 2N5087 | read from the schematic by eye | |
| ICs 7 | ||||
| U1 | CA1458 | CA1458 | or MC1458; read from the schematic by eye | |
| U2 | NE571N | NE571N | compandor, sections A and B; read from the schematic by eye | |
| U3 | MN3005 | MN3005 | BBD; read from the schematic by eye | |
| U4 | MC3403 | MC3403 | or TL074; quad op amp; read from the schematic by eye | |
| U5 | CD4007AE | CD4007AE | VCO; read from the schematic by eye | |
| U6 | MN3101 | MN3101 | BBD clock driver; read from the schematic by eye | |
| ×1 | 78L15 | 78L15 | +15V regulator, no designator; read from the schematic by eye | |
| Opto 3 | ||||
| LDR1 | VT-811 | VT-811 | 4K-5M; read from the schematic by eye | |
| LDR2 | VT-811 | VT-811 | 4K-5M; read from the schematic by eye | |
| LDR3 | VT-812 | VT-812 | 15K-20M; drawn small; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Repeat | 25K | 25k | Potentiometer | P1; read from the schematic by eye |
| Mix | 25K | 25k | Potentiometer | P2; read from the schematic by eye |
| Chorus Depth | 100K | 100k | Potentiometer | P3; read from the schematic by eye |
| Trimmers 5 | ||||
| TP1 | 25K | 25k | Repeat Set; read from the schematic by eye | |
| TP2 | 25K | 25k | Bias; read from the schematic by eye | |
| TP3 | 25K | 25k | Center Set; read from the schematic by eye | |
| TP3 | 25K | 25k | Clock Balance; also reads TP3 (clash), probably TP5; read from the schematic by eye | |
| TP4 | 1M | 1M | Travel Set; read from the schematic by eye | |
| Switches 2 | ||||
| S2 | DPDT | DPDT | Chorus/Echo mode (S2A/S2B); read from the schematic by eye | |
| S3 | SPST | SPST | mains power switch; read from the schematic by eye | |
| LEDs 2 | ||||
| LED1 | LED | LED | effect-on indicator; read from the schematic by eye | |
| ×1 | LED | LED | Chorus/Vibrato indicator driven by Q7, no designator; read from the schematic by eye | |