Enclosure not stated · 6 knobs
Krankenstein JFet/MosFet Preamp
Based on the Krank Krankenstein JFet/MosFet Preamp
- Category
- Preamp / Amp-in-a-box
- Price
- see vendorin stock
- Tags
- Krank, Krank, Krankenstein, Preamp
From the vendor
Krank - Krankenstein JFet/MosFet Preamp
*corrected
Schematic
The schematic image is on the project page. Open it at PCBWay.
Parts list 38 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 1 value the reader of this schematic was not sure of
- 470k from VB with flat wiper read as a trimmer (no name)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 17 | ||||
| ×3 | 47k | 47k | read from the schematic by eye | |
| ×2 | 1M | 1M | read from the schematic by eye | |
| ×2 | 2k7 | 2.7k | read from the schematic by eye | |
| ×2 | 100k | 100k | read from the schematic by eye | |
| ×2 | 33k | 33k | read from the schematic by eye | |
| ×2 | 56k | 56k | read from the schematic by eye | |
| ×2 | 43k | 43k | read from the schematic by eye | |
| ×2 | 470k | 470k | read from the schematic by eye | |
| ×2 | 24k | 24k | read from the schematic by eye | |
| ×1 | 27k | 27k | drawn 27k* (select on test); read from the schematic by eye | |
| ×1 | 22k | 22k | read from the schematic by eye | |
| ×1 | 150k | 150k | read from the schematic by eye | |
| ×1 | 1k | 1k | read from the schematic by eye | |
| ×1 | 200k | 200k | read from the schematic by eye | |
| ×1 | 2k | 2k | read from the schematic by eye | |
| ×1 | 4k7 | 4.7k | read from the schematic by eye | |
| ×1 | 10k | 10k | read from the schematic by eye | |
| Capacitors 10 | ||||
| ×4 | 100u | 100u | electrolytic; read from the schematic by eye | |
| ×4 | 470p | 470p | read from the schematic by eye | |
| ×3 | 100n | 100n | read from the schematic by eye | |
| ×2 | 470n | 470n | read from the schematic by eye | |
| ×2 | 22n | 22n | read from the schematic by eye | |
| ×1 | 100p | 100p | read from the schematic by eye | |
| ×1 | 2n2 | 2.2n | read from the schematic by eye | |
| ×1 | 220n | 220n | read from the schematic by eye | |
| ×1 | 4n7 | 4.7n | read from the schematic by eye | |
| ×1 | 4u7 | 4.7u | electrolytic; read from the schematic by eye | |
| Diodes 2 | ||||
| ×2 | 1N4148 | 1N4148 | read from the schematic by eye | |
| ×1 | 1N4001 | 1N4001 | read from the schematic by eye | |
| Transistors 2 | ||||
| ×3 | J201 | J201 | read from the schematic by eye | |
| ×3 | 2N7000 | 2N7000 | read from the schematic by eye | |
| Potentiometers 6 | ||||
| Gain | A100k | A100k | Potentiometer | read from the schematic by eye |
| Sweep | B200k | B200k | Potentiometer | read from the schematic by eye |
| Treble | B220k | B220k | Potentiometer | read from the schematic by eye |
| Bass | A1M | A1M | Potentiometer | read from the schematic by eye |
| Mid | B22k | B22k | Potentiometer | read from the schematic by eye |
| Volume | B1M | B1M | Potentiometer | read from the schematic by eye |
| Trimmers 1 | ||||
| ×1 | 470k | 470k | unlabelled, drawn with a T-bar wiper, from VB into the second MOSFET stage feedback; read from the schematic by eye | |