**Parts List**

**R1 1.5K ¼ Watt Resistor (optional, tie pins 6 & 5 of IC1 together if not used.)**

**R2,R3 0.1 Ohm 10 Watt Resistor (Tech America 900-1002)**

**R4 270 Ohm ¼ Watt Resistor**

**R5 680 Ohm ¼ Watt Resistor**

**R6,R7 0.15 Ohm 10 Watt Resistor (Tech America 900-1006)**

**R8 2.7K ¼ Watt Resistor**

**R9 1K Trimmer Potentiometer (RS271-280)**

**R10 3.3K ¼ Watt Resistor**

**C1,C2,C3,C4 4700 Microfarad Electrolytic Capacitor 35 Volt (observe polarity)**

**C5 100 Picofarad Ceramic Disk Capacitor**

**C6 1000 Microfarad Electrolytic Capacitor 25 Volt (observe polarity)**

**IC1 LM723 (RS276-1740) Voltage Regulator IC. Socket is recommended.**

**Q1 TIP3055T (RS276-2020) NPN Transistor (TO-220 Heat Sink Required)**

**Q2,Q3 2N3055 (RS276-2041) NPN Transistor (Large TO-3 Heat Sink Required)**

**S1 Any SPST Toggle Switch**

**F1 3 Amp Fast Blow Fuse**

**D1-D4 Full Wave Bridge Rectifier (RS276-1185)**

**T1 18 Volt, 10 Amp Transformer Hammond #165S18 (Tech America 900-5825)**