Enclosure not stated · 5 knobs
BAJA Ampeg SVT Bass Amplifier PedalVerified
Based on the BAJA Ampeg SVT Bass Amplifier Pedal· 1 other board clones it
- Category
- Preamp / Amp-in-a-box
- Build
- Vero· 25×28· 51 cuts, 24 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Amp Emulator, Ampeg, BAJA, DIY Designs
From the post
Schematic and lots of info at FSB
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 54 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
- 5nF at column 2 rows N-O: printed clearly, unusual value
- 200nF at column 19 rows G-I: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 19 | ||||
| ×5 | 4.7K | 4.7k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×3 | 820Ω | 820 | read from the layout by eye | |
| ×2 | 15K | 15k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 82K | 82k | read from the layout by eye | |
| ×1 | 12K | 12k | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×1 | 5.6K | 5.6k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 750Ω | 750 | read from the layout by eye | |
| ×1 | 680Ω | 680 | read from the layout by eye | |
| ×1 | 68Ω | 68 | read from the layout by eye | |
| ×1 | 47Ω | 47 | read from the layout by eye | |
| Capacitors 16 | ||||
| ×5 | 1uF | 1u | film; read from the layout by eye | |
| ×1 | 270nF | 270n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 200nF | 200n | read from the layout by eye | |
| ×2 | 180nF | 180n | read from the layout by eye | |
| ×4 | 100nF | 100n | read from the layout by eye | |
| ×3 | 22nF | 22n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 5nF | 5n | read from the layout by eye | |
| ×2 | 2.2nF | 2.2n | read from the layout by eye | |
| ×2 | 680pF | 680p | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 180pF | 180p | read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic, bipolar (BP); read from the layout by eye | |
| Diodes 3 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2SK117 | 2SK117 | JFET; read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| IC3 | TL072 | TL072 | read from the layout by eye | |
| Inductors 3 | ||||
| IND1 | 10mH | 10mH | read from the layout by eye | |
| IND2 | 20mH | 20mH | read from the layout by eye | |
| IND3 | 20mH | 20mH | read from the layout by eye | |
| Potentiometers 5 | ||||
| Treble | A50K | A50k | Potentiometer | read from the layout by eye |
| Bass | A50K | A50k | Potentiometer | read from the layout by eye |
| Mid | B10K | B10k | Potentiometer | read from the layout by eye |
| Gain | B100K | B100k | Potentiometer | read from the layout by eye |
| Level | B100K | B100k | Potentiometer | read from the layout by eye |
| Switches 4 | ||||
| Bright/Normal | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Ultra Low/Normal | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Ultra High | SPST | SPST | toggle; read from the layout by eye | |
| Mid Freq | 1P5T rotary | 1P5T ROTARY | rotary; read from the layout by eye | |
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