Enclosure not stated · 4 knobs
Exar MT-02 Metal
Based on the Exar MT-02 Metal
- Category
- Distortion
- Build
- Vero· 20×21· 25 cuts, 10 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Distortion, Exar, HM-2
From the post
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 35 rows
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Check before you build · 1 value the reader of this layout was not sure of
- Q4: legend line 'Q1/Q4: J201, 2N5457 etc.' also names Q4 as a JFET, but the board draws Q4 with E/B/C pins and 'Q2-Q4: BC550C'; entered as BC550C
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×8 | 10K | 10k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×2 | 3.3K | 3.3k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 56K | 56k | read from the layout by eye | |
| ×1 | 100Ω | 100 | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 12K | 12k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 12 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×3 | 47nF | 47n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×1 | 330nF | 330n | read from the layout by eye | |
| ×3 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×5 | 1N4148 | 1N4148 | D1-D5; read from the layout by eye | |
| D6 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | J201 | J201 | JFET; legend: J201, 2N5457 etc. (BF245A in original); read from the layout by eye | |
| Q2 | BC550C | BC550C | read from the layout by eye | |
| Q3 | BC550C | BC550C | read from the layout by eye | |
| Q4 | BC550C | BC550C | legend also lists Q4 with the JFETs; drawn E/B/C; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Dist | B500K | B500k | Potentiometer | read from the layout by eye |
| High | B22K | B22k | Potentiometer | read from the layout by eye |
| Low | B22K | B22k | Potentiometer | read from the layout by eye |
| Level | B10K | B10k | Potentiometer | read from the layout by eye |