Description
JLH 2005 Class A Amplifier Kit
Design is modified from here:
http://www.tcaas.btinternet.co.uk/jlhupdate.htm
Part List
| Designator | Comment | Value |
| C1 | Film Capacitor | 1u |
| C2 | Film Capacitor | 330pF |
| C3 | Elec Cap | 220uf |
| C6 | Elec Cap | 6800u |
| C6A | Film Capacitor | 0.1u |
| C7 | Elec Cap | 6800u |
| C7A | Film Capacitor | 0.1u |
| F1 | Fuse | 3A |
| J4 | Header 2 | |
| J10 | Header 2 | |
| P1 | Header 3 | |
| Q1 | NPN Transistor | 2N3055 |
| Q2 | NPN Transistor | 2N3055 |
| Q3 | NPN Transistor | BD139 |
| Q4 | PNP Transistor | BC560 |
| Q5 | PNP Transistor | BC560 |
| Q6 | PNP Transistor | BC560 |
| Q7 | PNP Transistor | BC560 |
| Q8 | PNP Transistor | BD140 |
| R2 | Resistor | 47K |
| R3 | Resistor | 4.7K |
| R5 | Resistor | 8.2K |
| R6 | Resistor | 220 |
| R8 | Resistor | 2.7K |
| R9 | Resistor | 2.2k |
| R10 | Resistor | 0.33/5W |
| R11 | Resistor | 2.2k |
| R12 | Resistor | 4.7k |
| R13 | Resistor | 22 |
| R14 | Resistor | 10 |
| VR1 | Potentiometer | 200 |
| VR2 | Potentiometer | 50 |
| VR3 | Potentiometer | 20k |
If you have the components, just get the PCB for free!
Free JLH Class-A Amplifier Board
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