Enclosure not stated
Tone Control Circuits
- Category
- EQ / Filter· Tone Control and EQs
- Price
- see vendor
- Tags
- Tone Control and EQs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 32 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
- Circuit 2 input follower emitter resistor: value not given on the drawing ('Unlabeled ???')
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| ×2 | 39k | 39k | circuit 1 (709 preamp); read from the schematic by eye | |
| ×1 | 10k | 10k | circuit 1 (709 preamp); read from the schematic by eye | |
| ×1 | 600 | 600 | circuit 1 (709 preamp); drawn '600 ohms'; read from the schematic by eye | |
| ×2 | 100k | 100k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×2 | 220 | 220 | circuit 2 (transistor tone control); drawn '220 ohms'; read from the schematic by eye | |
| ×1 | ? | ? | circuit 2 (transistor tone control); input follower emitter resistor, drawing says 'Unlabeled ???'; read from the schematic by eye | |
| ×2 | 22k | 22k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×3 | 2k2 | 2.2k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×2 | 470k | 470k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×1 | 56k | 56k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×1 | 3k3 | 3.3k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×2 | 10k | 10k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×1 | 47k | 47k | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×1 | 1k | 1k | circuit 2 (transistor tone control); read from the schematic by eye | |
| Capacitors 9 | ||||
| ×2 | 0.005uF | 5n | circuit 1 (709 preamp); read from the schematic by eye | |
| ×1 | 0.0015uF | 1.5n | circuit 1 (709 preamp); read from the schematic by eye | |
| ×2 | 20uF | 20u | circuit 1 (709 preamp); electrolytic; read from the schematic by eye | |
| ×1 | 4.7uF | 4.7u | circuit 2 (transistor tone control); electrolytic; read from the schematic by eye | |
| ×1 | 1.0uF | 1u | circuit 2 (transistor tone control); electrolytic; read from the schematic by eye | |
| ×4 | 6800pF | 6.8n | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×1 | 0.5uF | 500n | circuit 2 (transistor tone control); read from the schematic by eye | |
| ×3 | 20uF | 20u | circuit 2 (transistor tone control); electrolytic; read from the schematic by eye | |
| ×1 | 10pF | 10p | circuit 2 (transistor tone control); read from the schematic by eye | |
| Diodes 1 | ||||
| ×2 | 1N914 | 1N914 | circuit 2 (transistor tone control); read from the schematic by eye | |
| Transistors 2 | ||||
| ×3 | HEP 50 | HEP 50 | circuit 2 (transistor tone control); NPN, per the symbol legend; read from the schematic by eye | |
| ×1 | HEP 51 | HEP 51 | circuit 2 (transistor tone control); PNP; read from the schematic by eye | |
| ICs 1 | ||||
| ×1 | 709 | 709 | circuit 1 (709 preamp); op amp; read from the schematic by eye | |
| Potentiometers 5 | ||||
| Bass | 1M | 1M | Potentiometer | circuit 1 (709 preamp); read from the schematic by eye |
| Treble | 250k | 250k | Potentiometer | circuit 1 (709 preamp); read from the schematic by eye |
| ×1 | 500k | 500k | Potentiometer | circuit 2 (transistor tone control); input level, unnamed; read from the schematic by eye |
| ×1 | 250k | 250k | Potentiometer | circuit 2 (transistor tone control); bass (network with 6800pF caps), unnamed; read from the schematic by eye |
| ×1 | 25k | 25k | Potentiometer | circuit 2 (transistor tone control); treble, unnamed; read from the schematic by eye |