Enclosure not stated · 5 knobs
Tube Works Real Tube RT-901
Based on the Tubeworks Real Tube 901· 1 other board clones it
- Category
- Overdrive
- Price
- see vendor
From the vendor
B K Butler's Tube Works version of the Tube Driver: a TL072 buffer and gain stage into a cascaded 12AX7, then a Hi/Lo/Mid tone stack. It adds a TL072 flip-flop driving J112 JFET switches for soft-touch bypass, with red/green status LEDs.
Schematic
The schematic is in the post. Open it at Revolution Deux. No KiCad fragment has been drawn for this circuit yet.
Parts list 66 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- A second '.01' label sits to the right of the Mid pot with no capacitor symbol drawn (C13).
- The tube type is not printed; 12AX7 per the post.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 24 | ||||
| R1 | 1M | 1M | read from the schematic by eye | |
| R2 | 1K | 1k | read from the schematic by eye | |
| R3 | 22K | 22k | read from the schematic by eye | |
| R4 | 1K | 1k | read from the schematic by eye | |
| R5 | 1.5K | 1.5k | read from the schematic by eye | |
| R6 | 10K | 10k | read from the schematic by eye | |
| R7 | 10K | 10k | read from the schematic by eye | |
| R8 | 68K | 68k | read from the schematic by eye | |
| R9 | 68K | 68k | read from the schematic by eye | |
| R10 | 10K | 10k | read from the schematic by eye | |
| R11 | 10K | 10k | read from the schematic by eye | |
| R12 | 2.2K | 2.2k | read from the schematic by eye | |
| R13 | 22K | 22k | read from the schematic by eye | |
| R14 | 220K | 220k | read from the schematic by eye | |
| R15 | 2.2K | 2.2k | read from the schematic by eye | |
| R16 | 1K | 1k | read from the schematic by eye | |
| R17 | 2.2K | 2.2k | read from the schematic by eye | |
| R18 | 220K | 220k | read from the schematic by eye | |
| R19 | 1M | 1M | read from the schematic by eye | |
| R20 | 220K | 220k | read from the schematic by eye | |
| R21 | 2.2K | 2.2k | read from the schematic by eye | |
| R22 | 1.5M | 1.5M | read from the schematic by eye | |
| R23 | 1K | 1k | read from the schematic by eye | |
| R24 | 1K | 1k | read from the schematic by eye | |
| Capacitors 20 | ||||
| C1 | 47n | 47n | read from the schematic by eye | |
| C2 | 47p | 47p | read from the schematic by eye | |
| C3 | 22u | 22u | electrolytic; read from the schematic by eye | |
| C4 | 2.2u | 2.2u | electrolytic; read from the schematic by eye | |
| C5 | 12p | 12p | read from the schematic by eye | |
| C6 | 47n | 47n | read from the schematic by eye | |
| C7 | 47n | 47n | read from the schematic by eye | |
| C8 | 2.2u | 2.2u | read from the schematic by eye | |
| C9 | 330p | 330p | read from the schematic by eye | |
| C10 | 100n | 100n | read from the schematic by eye | |
| C11 | 47n | 47n | read from the schematic by eye | |
| C12 | 10n | 10n | read from the schematic by eye | |
| C13 | 10n | 10n | label only, no symbol drawn; read from the schematic by eye | |
| C14 | 47n | 47n | read from the schematic by eye | |
| C15 | 22u | 22u | electrolytic; read from the schematic by eye | |
| C16 | 47n | 47n | read from the schematic by eye | |
| C17 | 470u | 470u | electrolytic; read from the schematic by eye | |
| C18 | 470u | 470u | electrolytic; read from the schematic by eye | |
| C19 | 220u | 220u | electrolytic; read from the schematic by eye | |
| C20 | 220u | 220u | electrolytic; read from the schematic by eye | |
| Diodes 10 | ||||
| D1 | 1N916 | 1N916 | read from the schematic by eye | |
| D2 | 1N916 | 1N916 | read from the schematic by eye | |
| D3 | 1N916 | 1N916 | read from the schematic by eye | |
| D4 | 1N916 | 1N916 | read from the schematic by eye | |
| D5 | 1N916 | 1N916 | read from the schematic by eye | |
| D6 | 1N916 | 1N916 | read from the schematic by eye | |
| D7 | 1N916 | 1N916 | read from the schematic by eye | |
| D8 | 1N916 | 1N916 | read from the schematic by eye | |
| D9 | 1N4001 | 1N4001 | read from the schematic by eye | |
| D10 | 1N4001 | 1N4001 | read from the schematic by eye | |
| Transistors 2 | ||||
| Q1 | J112 | J112 | switching; read from the schematic by eye | |
| Q2 | J112 | J112 | switching; read from the schematic by eye | |
| ICs 2 | ||||
| IC1 | TL072 | TL072 | read from the schematic by eye | |
| IC2 | TL072 | TL072 | switching flip-flop; read from the schematic by eye | |
| Potentiometers 5 | ||||
| Drive | 500K | 500k | Potentiometer | read from the schematic by eye |
| Hi | 500K | 500k | Potentiometer | read from the schematic by eye |
| Lo | 100K | 100k | Potentiometer | read from the schematic by eye |
| Mid | 10K | 10k | Potentiometer | read from the schematic by eye |
| Output | 500K | 500k | Potentiometer | read from the schematic by eye |
| LEDs 2 | ||||
| LED1 | red | RED | read from the schematic by eye | |
| LED2 | green | GREEN | read from the schematic by eye | |
| Other 1 | ||||
| V1 | 12AX7 | 12AX7 | tube; read from the schematic by eye | |
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