Enclosure not stated · 10 knobs
Electro Harmonix Micro Synthesizer
Based on the Electro-Harmonix Micro Synthesizer
- Category
- Ring Mod / Synth· Guitar Synth and Misc Signal Shapers
- Controls
- Guitar · Octave · Trigger · Square Wave · Sub-Octave · Stop Frequency · Sweep Rate · Resonance · Start Frequency · Attack Delay
- Price
- see vendor
- Tags
- Guitar Synth and Misc Signal Shapers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 192 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this schematic was not sure of
- R3, R14: drawn as unnamed-taper variable resistors; read as internal trimmers (pre-amp gain, squelch) since they are not among the ten front-panel sliders
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 99 | ||||
| R1 | 68K | 68k | read from the schematic by eye | |
| R2 | 4.7K | 4.7k | read from the schematic by eye | |
| R4 | 470 | 470 | read from the schematic by eye | |
| R5 | 13K | 13k | read from the schematic by eye | |
| R7 | 2.2K | 2.2k | read from the schematic by eye | |
| R8 | 3.3K | 3.3k | 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 | 10K | 10k | read from the schematic by eye | |
| R12 | 7.5K | 7.5k | read from the schematic by eye | |
| R13 | 15K | 15k | read from the schematic by eye | |
| R15 | 3.3M | 3.3M | read from the schematic by eye | |
| R16 | 27K | 27k | read from the schematic by eye | |
| R17 | 2.7K | 2.7k | read from the schematic by eye | |
| R18 | 27K | 27k | read from the schematic by eye | |
| R19 | 560 | 560 | read from the schematic by eye | |
| R20 | 3.3K | 3.3k | read from the schematic by eye | |
| R21 | 2.2K | 2.2k | read from the schematic by eye | |
| R22 | 22K | 22k | read from the schematic by eye | |
| R23 | 47K | 47k | read from the schematic by eye | |
| R24 | 1K | 1k | read from the schematic by eye | |
| R25 | 22K | 22k | read from the schematic by eye | |
| R26 | 820 | 820 | read from the schematic by eye | |
| R27 | 4.7K | 4.7k | read from the schematic by eye | |
| R29 | 8.2K | 8.2k | read from the schematic by eye | |
| R30 | 2.2K | 2.2k | read from the schematic by eye | |
| R32 | 390K | 390k | read from the schematic by eye | |
| R33 | 330 | 330 | read from the schematic by eye | |
| R34 | 2.7K | 2.7k | read from the schematic by eye | |
| R35 | 10K | 10k | read from the schematic by eye | |
| R37 | 13K | 13k | read from the schematic by eye | |
| R38 | 22K | 22k | read from the schematic by eye | |
| R39 | 120K | 120k | read from the schematic by eye | |
| R40 | 6.8K | 6.8k | read from the schematic by eye | |
| R41 | 220 | 220 | read from the schematic by eye | |
| R42 | 820K | 820k | read from the schematic by eye | |
| R43 | 1K | 1k | read from the schematic by eye | |
| R44 | 330K | 330k | read from the schematic by eye | |
| R45 | 470 | 470 | read from the schematic by eye | |
| R46 | 3.3K | 3.3k | read from the schematic by eye | |
| R47 | 3.3K | 3.3k | read from the schematic by eye | |
| R48 | 10K | 10k | read from the schematic by eye | |
| R49 | 220 | 220 | read from the schematic by eye | |
| R50 | 6.8K | 6.8k | read from the schematic by eye | |
| R51 | 10K | 10k | read from the schematic by eye | |
| R52 | 220 | 220 | read from the schematic by eye | |
| R53 | 47K | 47k | read from the schematic by eye | |
| R54 | 47K | 47k | read from the schematic by eye | |
| R55 | 3.9K | 3.9k | read from the schematic by eye | |
| R56 | 47K | 47k | read from the schematic by eye | |
| R57 | 27K | 27k | read from the schematic by eye | |
| R58 | 470 | 470 | read from the schematic by eye | |
| R59 | 470 | 470 | read from the schematic by eye | |
| R60 | 27K | 27k | read from the schematic by eye | |
| R62 | 12K | 12k | read from the schematic by eye | |
| R63 | 10K | 10k | read from the schematic by eye | |
| R64 | 10K | 10k | read from the schematic by eye | |
| R66 | 3.3K | 3.3k | read from the schematic by eye | |
| R67 | 820 | 820 | read from the schematic by eye | |
| R68 | 1K | 1k | read from the schematic by eye | |
| R69 | 2.2K | 2.2k | read from the schematic by eye | |
| R70 | 22M | 22M | 22M as drawn; read from the schematic by eye | |
| R71 | 680K | 680k | read from the schematic by eye | |
| R72 | 1K | 1k | read from the schematic by eye | |
| R73 | 2.2K | 2.2k | read from the schematic by eye | |
| R75 | 3.3K | 3.3k | read from the schematic by eye | |
| R76 | 8.2K | 8.2k | read from the schematic by eye | |
| R77 | 47K | 47k | read from the schematic by eye | |
| R78 | 1K | 1k | read from the schematic by eye | |
| R79 | 3.3K | 3.3k | read from the schematic by eye | |
| R80 | 8.2K | 8.2k | read from the schematic by eye | |
| R81 | 47K | 47k | read from the schematic by eye | |
| R82 | 1K | 1k | read from the schematic by eye | |
| R83 | 3.3K | 3.3k | read from the schematic by eye | |
| R84 | 8.2K | 8.2k | read from the schematic by eye | |
| R85 | 47K | 47k | read from the schematic by eye | |
| R87 | 330K | 330k | read from the schematic by eye | |
| R88 | 47K | 47k | read from the schematic by eye | |
| R89 | 4.7K | 4.7k | read from the schematic by eye | |
| R90 | 1K | 1k | read from the schematic by eye | |
| R91 | 470 | 470 | read from the schematic by eye | |
| R93 | 3.3K | 3.3k | read from the schematic by eye | |
| R94 | 820 | 820 | read from the schematic by eye | |
| R95 | 4.7K | 4.7k | read from the schematic by eye | |
| R96 | 47K | 47k | read from the schematic by eye | |
| R97 | 1K | 1k | read from the schematic by eye | |
| R98 | 47K | 47k | read from the schematic by eye | |
| R99 | 47 | 47 | read from the schematic by eye | |
| R100 | 22K | 22k | read from the schematic by eye | |
| R102 | 8.2K | 8.2k | read from the schematic by eye | |
| R103 | 820 | 820 | read from the schematic by eye | |
| R104 | 1K | 1k | read from the schematic by eye | |
| R105 | 1K | 1k | read from the schematic by eye | |
| R106 | 15K | 15k | read from the schematic by eye | |
| R107 | 5.6K | 5.6k | read from the schematic by eye | |
| R108 | 1K | 1k | read from the schematic by eye | |
| R109 | 12K | 12k | read from the schematic by eye | |
| R110 | 4.7K | 4.7k | read from the schematic by eye | |
| R111 | 680 | 680 | read from the schematic by eye | |
| Capacitors 33 | ||||
| C1 | 0.1uF | 100n | read from the schematic by eye | |
| C2 | 0.022uF | 22n | read from the schematic by eye | |
| C3 | 0.0022uF | 2.2n | read from the schematic by eye | |
| C4 | 0.47uF | 470n | tantalum; read from the schematic by eye | |
| C5 | 0.0018uF | 1.8n | read from the schematic by eye | |
| C6 | 1.0uF | 1u | read from the schematic by eye | |
| C7 | 4.7uF | 4.7u | tantalum; read from the schematic by eye | |
| C8 | 1.0uF | 1u | read from the schematic by eye | |
| C9 | 0.47uF | 470n | read from the schematic by eye | |
| C10 | 0.056uF | 56n | read from the schematic by eye | |
| C11 | 1.0uF | 1u | tantalum; read from the schematic by eye | |
| C12 | 0.47uF | 470n | tantalum; read from the schematic by eye | |
| C13 | 0.082uF | 82n | read from the schematic by eye | |
| C14 | 1.0uF | 1u | read from the schematic by eye | |
| C15 | 0.047uF | 47n | read from the schematic by eye | |
| C16 | 4.7uF | 4.7u | read from the schematic by eye | |
| C17 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C18 | 0.1uF | 100n | read from the schematic by eye | |
| C19 | 4.7uF | 4.7u | tantalum; read from the schematic by eye | |
| C20 | 4.7uF | 4.7u | tantalum; read from the schematic by eye | |
| C21 | 0.1uF | 100n | read from the schematic by eye | |
| C22 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C23 | 1.0uF | 1u | read from the schematic by eye | |
| C24 | 0.082uF | 82n | read from the schematic by eye | |
| C25 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C26 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C27 | 0.0033uF | 3.3n | read from the schematic by eye | |
| C28 | 10uF | 10u | tantalum; read from the schematic by eye | |
| C29 | 1.0uF | 1u | tantalum; read from the schematic by eye | |
| C30 | 10uF | 10u | tantalum; read from the schematic by eye | |
| C31 | 100uF | 100u | 35V electrolytic, power supply; read from the schematic by eye | |
| C32 | 10uF | 10u | 25V electrolytic, power supply; read from the schematic by eye | |
| C33 | 10uF | 10u | 25V electrolytic, power supply; read from the schematic by eye | |
| Diodes 22 | ||||
| D1 | 1N914 | 1N914 | read from the schematic by eye | |
| D2 | 1N914 | 1N914 | read from the schematic by eye | |
| D3 | 1N914 | 1N914 | read from the schematic by eye | |
| D4 | 1N914 | 1N914 | read from the schematic by eye | |
| D5 | 1N914 | 1N914 | read from the schematic by eye | |
| D6 | 1N914 | 1N914 | read from the schematic by eye | |
| D7 | 1N914 | 1N914 | read from the schematic by eye | |
| D8 | 1N914 | 1N914 | read from the schematic by eye | |
| D9 | 1N914 | 1N914 | read from the schematic by eye | |
| D10 | 1N914 | 1N914 | read from the schematic by eye | |
| D11 | 1N914 | 1N914 | read from the schematic by eye | |
| D12 | 1N914 | 1N914 | read from the schematic by eye | |
| D13 | 1N914 | 1N914 | read from the schematic by eye | |
| D14 | 1N914 | 1N914 | read from the schematic by eye | |
| D15 | 1N914 | 1N914 | read from the schematic by eye | |
| D16 | 1N914 | 1N914 | read from the schematic by eye | |
| D17 | 1N5235 | 1N5235 / 6V8 | 6.8V zener; read from the schematic by eye | |
| D18 | 1N5235 | 1N5235 / 6V8 | 6.8V zener; read from the schematic by eye | |
| D19 | 1N914 | 1N914 | read from the schematic by eye | |
| D21 | 1N961B | 1N961B / 10V | 10V zener; read from the schematic by eye | |
| D22 | 1N914 | 1N914 | read from the schematic by eye | |
| BR1 | W02M | W02M | bridge rectifier, power supply; read from the schematic by eye | |
| Transistors 7 | ||||
| Q1 | 2N5087 | 2N5087 | read from the schematic by eye | |
| Q2 | 2N4302 | 2N4302 | JFET; read from the schematic by eye | |
| Q3 | 2N5087 | 2N5087 | read from the schematic by eye | |
| Q4 | 2N5088 | 2N5088 | read from the schematic by eye | |
| PS-Q5 | 2N6110 | 2N6110 | power-supply regulator pass transistor on sheet 3; designator Q5 is also used for a 2N5088 on sheet 2; read from the schematic by eye | |
| Q5 | 2N5088 | 2N5088 | sheet 2 VCA; designator Q5 also used for the 2N6110 on sheet 3; read from the schematic by eye | |
| Q6 | 2N5088 | 2N5088 | read from the schematic by eye | |
| ICs 18 | ||||
| A1 | RC4558 | RC4558 | dual op amp, power supply splitter (sheet 3); read from the schematic by eye | |
| A2 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A3 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A4 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A5 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A6 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A7 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A8 | CA3094 | CA3094 | or EH1040; square wave shaper; read from the schematic by eye | |
| A9 | RC4558 | RC4558 | drawn U9A; only one section shown; read from the schematic by eye | |
| A10 | CA3094 | CA3094 | or EH1040; VCF; read from the schematic by eye | |
| A11 | CA3094 | CA3094 | or EH1040; VCF; read from the schematic by eye | |
| A12 | CA3094 | CA3094 | or EH1040; VCF; read from the schematic by eye | |
| A13 | CA3094 | CA3094 | or EH1040; read from the schematic by eye | |
| A14 | CA3094 | CA3094 | or EH1040; VCA; read from the schematic by eye | |
| A15 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A16 | RC4558 | RC4558 | dual op amp; read from the schematic by eye | |
| A17 | CD4013 | CD4013 | dual D flip-flop; pin 14 to ground, pin 7 to -V; read from the schematic by eye | |
| A18 | CA3094 | CA3094 | or EH1040; sub-octave track and hold; read from the schematic by eye | |
| Potentiometers 10 | ||||
| Guitar | B100K | B100k | Potentiometer | R6, 100K LIN (sheet 1); read from the schematic by eye |
| Octave | B100K | B100k | Potentiometer | R28, 100K LIN (sheet 1); read from the schematic by eye |
| Trigger | B100K | B100k | Potentiometer | R31, 100K LIN (sheet 1); read from the schematic by eye |
| Square Wave | B100K | B100k | Potentiometer | R36, 100K LIN (sheet 1); read from the schematic by eye |
| Sub-Octave | B100K | B100k | Potentiometer | R61, 100K LIN (sheet 2); read from the schematic by eye |
| Stop Frequency | B100K | B100k | Potentiometer | R65, 100K LIN (sheet 2); read from the schematic by eye |
| Sweep Rate | B100K | B100k | Potentiometer | R74, 100K LIN (sheet 2); read from the schematic by eye |
| Resonance | B100K | B100k | Potentiometer | R86, 100K LIN (sheet 2); read from the schematic by eye |
| Start Frequency | B100K | B100k | Potentiometer | R92, 100K LIN (sheet 2); read from the schematic by eye |
| Attack Delay | B100K | B100k | Potentiometer | R101, 100K LIN (sheet 2); read from the schematic by eye |
| Trimmers 2 | ||||
| R3 | 10K | 10k | pre-amp gain (no taper given; not a front-panel slider); read from the schematic by eye | |
| R14 | 100K | 100k | squelch (no taper given; not a front-panel slider); read from the schematic by eye | |
| LEDs 1 | ||||
| D20 | LED | LED | power indicator, no part number; read from the schematic by eye | |