125B · 4 knobs
White-Throated Overdrive
Based on the Hudson Electronics Broadcast· 6 other boards clone it
- Category
- Overdrive
- Price
- see vendor
- Tags
- Dylan159
From the vendor
A layout of Bent Fishbowl's Dudson Narrowest Castest (Based on Hudson Broadcast). The White-Throated Overdrive is a PCB based on Dylan159's "Dudson Narrowcast," a redesign of the Hudson Broadcast. Notably, the redesign does not include a transformer, and uses only easy-to-obtain components and values (no OC71 transistor or 330U electrolytic capacitor). Dylan159 provides two schematics, a PNP and NPN version. This PCB is for the NPN version built with 2N3904 transistors - and it sounds great, with a crunchy tube-like tone.
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 30 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| R2 | 220K | 220k | 1/4W Resistor | |
| R3 | 33K | 33k | 1/4W Resistor | |
| R4 | 4K7 | 4.7k | 1/4W Resistor | |
| R5 | 1K | 1k | 1/4W Resistor | |
| R6 | 470R | 470 | 1/4W Resistor | |
| R7 | 4K7 | 4.7k | 1/4W Resistor | |
| R8 | 4K7 | 4.7k | 1/4W Resistor | |
| R9 | 47R | 47 | 1/4W Resistor | |
| R10 | 4K7 | 4.7k | 1/4W Resistor | |
| R100 | 4K7 | 4.7k | 1/4W Resistor | |
| R101 | 47R | 47 | 1/4W Resistor | |
| Capacitors 11 | ||||
| C1 | 10U | 10u | Polarized capacitor | |
| C2 | 10U | 10u | Polarized capacitor | |
| C3 | 330P | 330p | MLCC capacitor | |
| C4 | 330P | 330p | MLCC capacitor | |
| C5 | 100U | 100u | Polarized capacitor | |
| C6 | 470N | 470n | Film capacitor | |
| C7 | 100U | 100u | Polarized capacitor | |
| C8 | 10U | 10u | Polarized capacitor | |
| C9 | 10U | 10u | Polarized capacitor | |
| C10 | 1N | 1n | Film capacitor | |
| C100 | 100U | 100u | Polarized capacitor | |
| Diodes 1 | ||||
| D101 | 1N5817 | 1N5817 | Diode, polarity protection | |
| Transistors 2 | ||||
| Q1 | 2N3904 | 2N3904 | NPN Transistor | |
| Q2 | 2N3904 | 2N3904 | NPN Transistor | |
| Potentiometers 3 | ||||
| Bass Cut | A10K | A10k | Potentiometer | |
| Gain | A250K | A250k | Potentiometer | |
| Volume | A25K | A25k | Potentiometer | |
| Switches 1 | ||||
| Switch | SPDT | SPDT | Switch, SPDT ON/ON | |
| LEDs 1 | ||||
| D100 | LED | LED | Light emitting diode, bypass indicator | |
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