1590BB
From the vendor
Bassdude is based on the vintage American bass tone of the 1950s. It runs a pair of 12AX7 (though you can swap to a lower gain tube like 12AT7 or 5751) if you want sweet tone but less overdrive. Just like the amp it’s based on, it works great on guitar or bass and can give you rich cleans all the way up to delightfully beefy overdrive.
Schematic
The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 29 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×1 | 560R | 560 | 1/4W Resistor | shopping list |
| ×1 | 820R | 820 | 1/4W Resistor | shopping list |
| ×3 | 1k | 1k | 1/4W Resistor | shopping list |
| ×1 | 1k5 | 1.5k | 1/4W Resistor | shopping list |
| ×1 | 2k2 | 2.2k | 1/4W Resistor | shopping list |
| ×1 | 4k7 | 4.7k | 1/4W Resistor | shopping list |
| ×1 | 10k | 10k | 1/4W Resistor | shopping list |
| ×3 | 100k | 100k | 1/4W Resistor | shopping list |
| ×4 | 220k | 220k | 1/4W Resistor | shopping list |
| ×1 | 270k | 270k | 1/4W Resistor | shopping list |
| ×1 | 1M | 1M | 1/4W Resistor | shopping list |
| Capacitors 10 | ||||
| ×2 | 100p | 100p | Ceramic capacitor | shopping list; 50V |
| ×1 | 240p | 240p | Ceramic capacitor | shopping list; 50V |
| ×1 | 1n5 | 1.5n | Film capacitor | shopping list; 50V |
| ×1 | 4n7 | 4.7n | Film capacitor | shopping list; 50V |
| ×1 | 22n | 22n | High voltage film capacitor | shopping list; 630V |
| ×1 | 100n | 100n | Film capacitor | shopping list; 50V |
| ×1 | 10u | 10u | Electrolyitic capacitor | shopping list; 250V |
| ×1 | 22u | 22u | Electrolytic capacitor | shopping list; 25V |
| ×1 | 100uF | 100u | Electrolyitic capacitor | shopping list; 25V |
| ×1 | 220u | 220u | Electrolytic capacitor | shopping list; 16V |
| Diodes 2 | ||||
| ×1 | UF4007 | UF4007 | Ultra-fast rectifier diode | shopping list |
| ×1 | 1N5817 | 1N5817 | Schottky diode | shopping list |
| Transistors 2 | ||||
| ×1 | 2N3904 | 2N3904 | NPN General Purpose Amplifier | shopping list |
| ×1 | IRF740 | IRF740 | 400V 20A N-Channel MOSFET | shopping list |
| ICs 1 | ||||
| ×1 | NE555 | NE555 | Timer IC | shopping list |
| Inductors 1 | ||||
| ×1 | 100uH | 100uH | 100uH 2A Inductor | shopping list |
| Potentiometers 1 | ||||
| ×4 | A1M | A1M | 9mm Potentiometer | shopping list |
| Other 1 | ||||
| ×2 | 12AX7 | 12AX7 | Dual Triode | shopping list |