Enclosure not stated · 6 knobs
JFET Preamp emulator
Based on the Peavey 5150 JFET Preamp emulator
- Category
- Preamp / Amp-in-a-box
- Price
- see vendorin stock
- Tags
- Peavey 5150, 5150, JFET, Preamp, Guitar peral, Emulator
From the vendor
Well, for those who take jfet transistors seriously and with respect, I suggest the "5150" preamp simulator circuit
Schematic
The schematic image is on the project page. Open it at PCBWay.
Parts list 34 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| ×1 | 47 | 47 | read from the schematic by eye | |
| ×1 | 100 | 100 | read from the schematic by eye | |
| ×1 | 220 | 220 | read from the schematic by eye | |
| ×2 | 1k | 1k | read from the schematic by eye | |
| ×1 | 3k3 | 3.3k | read from the schematic by eye | |
| ×2 | 4k7 | 4.7k | one is the LED resistor; read from the schematic by eye | |
| ×1 | 5k6 | 5.6k | read from the schematic by eye | |
| ×2 | 6k8 | 6.8k | read from the schematic by eye | |
| ×2 | 7k5 | 7.5k | read from the schematic by eye | |
| ×1 | 10k | 10k | read from the schematic by eye | |
| ×1 | 22k | 22k | read from the schematic by eye | |
| ×3 | 47k | 47k | read from the schematic by eye | |
| ×4 | 100k | 100k | read from the schematic by eye | |
| ×1 | 1M | 1M | read from the schematic by eye | |
| Capacitors 11 | ||||
| ×1 | 220p | 220p | read from the schematic by eye | |
| ×1 | 270p | 270p | read from the schematic by eye | |
| ×2 | 1n | 1n | read from the schematic by eye | |
| ×1 | 2n2 | 2.2n | read from the schematic by eye | |
| ×2 | 3n3 | 3.3n | read from the schematic by eye | |
| ×1 | 15n | 15n | read from the schematic by eye | |
| ×1 | 33n | 33n | read from the schematic by eye | |
| ×3 | 100n | 100n | read from the schematic by eye | |
| ×1 | 220n | 220n | read from the schematic by eye | |
| ×1 | 470n | 470n | read from the schematic by eye | |
| ×3 | 100u | 100u | electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | shunt protection diode on the supply; read from the schematic by eye | |
| Transistors 2 | ||||
| ×1 | 2N5458 | 2N5458 | first JFET stage; read from the schematic by eye | |
| ×4 | J201 | J201 | JFET gain stages, sources grounded; read from the schematic by eye | |
| Potentiometers 6 | ||||
| Gain | A100k | A100k | Potentiometer | read from the schematic by eye |
| Treble | B50k | B50k | Potentiometer | read from the schematic by eye |
| Bass | A200k | A200k | Potentiometer | read from the schematic by eye |
| Mid | A10k | A10k | Potentiometer | read from the schematic by eye |
| Presence | B10k | B10k | Potentiometer | read from the schematic by eye |
| Volume | A100k | A100k | Potentiometer | read from the schematic by eye |