Enclosure not stated · 3 knobs
Music Man Sabre II Bass Preamp
Based on the Music Man Sabre II Bass Preamp
- Category
- Preamp / Amp-in-a-box
- Build
- Perfboard
- Layout
- Unverified · no build reported at Effects Layouts (blog) yet
- Tags
- Bass, Music Man, Preamp
From the post
Lot of requests for this one after I posted the Stingray pre a few weeks ago, so here's the Sabre II. Pretty similar the the Stingray but with a few value differences and extra resistor in the feedback loop, and the added bright switch.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 18 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×2 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 1.8nF | 1.8n | read from the layout by eye | |
| ×1 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×4 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | LM4250 | LM4250 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Treble | C1M | C1M | Potentiometer | read from the layout by eye |
| Bass | A100K | A100k | Potentiometer | read from the layout by eye |
| Volume | A25K | A25k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Bright | SPST | SPST | on/off; read from the layout by eye | |