Enclosure not stated
MXR M109 Six Band Graphic EqualizerVerified
Based on the MXR M109 Six Band Graphic Equalizer
- Category
- EQ / Filter
- Build
- Vero· 24×21· 41 cuts, 23 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Eq, MXR
From the post
This one was an old request. Schematic is avaiable HERE.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 32 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- IC2, IC3, IC4 types: legend prints 'IC1-IC2: 1458' and 'IC2-IC3: TL022' for four ICs; taken as IC1-IC2 1458, IC3-IC4 TL022
- 20K at column 21 rows O-R: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×5 | 470Ω | 470 | read from the layout by eye | |
| ×2 | 24K | 24k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 20K | 20k | read from the layout by eye | |
| ×1 | 1.2K | 1.2k | read from the layout by eye | |
| ×6 | 10K | 10k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 10 | ||||
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×2 | 120nF | 120n | read from the layout by eye | |
| ×3 | 68nF | 68n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×1 | 15nF | 15n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 4 | ||||
| IC1 | 1458 | 1458 | read from the layout by eye | |
| IC2 | 1458 | 1458 | legend also names IC2 in 'IC2-IC3: TL022'; read from the layout by eye | |
| IC3 | TL022 | TL022 | read from the layout by eye | |
| IC4 | TL022 | TL022 | legend says 'IC2-IC3: TL022'; taken to mean IC3-IC4; read from the layout by eye | |
| Potentiometers 6 | ||||
| 100Hz | B50K | B50k | Potentiometer | or 50kW; read from the layout by eye |
| 200Hz | B50K | B50k | Potentiometer | or 50kW; read from the layout by eye |
| 400 Hz | B50K | B50k | Potentiometer | or 50kW; read from the layout by eye |
| 800 Hz | B50K | B50k | Potentiometer | or 50kW; read from the layout by eye |
| 1.6 kHz | B50K | B50k | Potentiometer | or 50kW; read from the layout by eye |
| 3.2 kHz | B50K | B50k | Potentiometer | or 50kW; read from the layout by eye |