Enclosure not stated · 5 knobs
AMT B1 preamp (SMD)
- Category
- Preamp / Amp-in-a-box
- Price
- see vendorin stock
From the vendor
AMT B1 preamp Bogner emulator with cab sim
use pcb`s
EQ pcb for AMT 1 series Controls PCB for AMT 1 series Switch board for AMT 1 series
Schematic
The schematic image is on the project page. Open it at PCBWay.
Parts list 37 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 schematic was not sure of
- BAT54 at the output stage is labeled "BAT54??" by the author
- Gain, Treble and Mids pots print no taper
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 19 | ||||
| ×1 | 33R | 33 | read from the schematic by eye | |
| ×1 | 100R | 100 | read from the schematic by eye | |
| ×1 | 330R | 330 | read from the schematic by eye | |
| ×2 | 470R | 470 | read from the schematic by eye | |
| ×1 | 510R | 510 | read from the schematic by eye | |
| ×1 | 680R | 680 | read from the schematic by eye | |
| ×1 | 1M | 1M | read from the schematic by eye | |
| ×1 | 2k | 2k | read from the schematic by eye | |
| ×1 | 6k2 | 6.2k | read from the schematic by eye | |
| ×1 | 10k | 10k | read from the schematic by eye | |
| ×3 | 12k | 12k | read from the schematic by eye | |
| ×1 | 24k | 24k | read from the schematic by eye | |
| ×1 | 47k | 47k | read from the schematic by eye | |
| ×1 | 56k | 56k | read from the schematic by eye | |
| ×1 | 100k | 100k | read from the schematic by eye | |
| ×3 | 220k | 220k | read from the schematic by eye | |
| ×1 | 270k | 270k | read from the schematic by eye | |
| ×1 | 390k | 390k | read from the schematic by eye | |
| ×1 | 680k | 680k | read from the schematic by eye | |
| Capacitors 10 | ||||
| ×1 | 510p | 510p | read from the schematic by eye | |
| ×2 | 1n5 | 1.5n | read from the schematic by eye | |
| ×2 | 10n | 10n | read from the schematic by eye | |
| ×2 | 47n | 47n | read from the schematic by eye | |
| ×2 | 100n | 100n | read from the schematic by eye | |
| ×1 | 330n | 330n | read from the schematic by eye | |
| ×2 | 470n | 470n | read from the schematic by eye | |
| ×3 | 47u | 47u | read from the schematic by eye | |
| ×4 | 100u | 100u | read from the schematic by eye | |
| ×1 | 470u | 470u | read from the schematic by eye | |
| Diodes 1 | ||||
| ×4 | BAT54 | BAT54 | one marked "BAT54??" on the schematic (output stage); read from the schematic by eye | |
| Transistors 2 | ||||
| ×1 | 2N5458 | 2N5458 | read from the schematic by eye | |
| ×4 | 2SK208R | 2SK208R | read from the schematic by eye | |
| Potentiometers 5 | ||||
| Gain | 50k | 50k | Potentiometer | taper not printed; read from the schematic by eye |
| Treble | 100k | 100k | Potentiometer | taper not printed; read from the schematic by eye |
| Low | A500k | A500k | Potentiometer | wired as variable resistor; read from the schematic by eye |
| Mids | 10k | 10k | Potentiometer | taper not printed; read from the schematic by eye |
| Volume | A500k | A500k | Potentiometer | read from the schematic by eye |