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Trimmer Capacitors
NPO Disc Capacitors
Polystyrene Capacitors
Silvered Mica Capacitors
Crystals - Matched
PA3AKE Filters
W3NQN Filters
WA2EBY ToroidKit
Variable Inductors
Magnet Wire
Integrated Circuits
Jacks & Plugs
Transistors & Fets
Misc Parts
Universal Receiver
1Watter-10m QRPp Xcvr
1Watter-12m QRPp Xcvr
1Watter-15m QRPp Xcvr
1Watter-17m QRPp Xcvr
1Watter-20m QRPp Xcvr
1Watter-30m QRPp Xcvr
1Watter-40m QRPp Xcvr
1Watter-80m QRPp Xcvr
1Watter-160m QRPp Xcvr
5Watt 2-30mHz ClassC Amp
Cable RF Suppression
Retired Kits
Orders FAQ
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*This product is discontinued*
The webpage is for historical reference only

Maximum output at 8 ohms is about half (0,5) Watt using +12V power.
Audio amp can be powered from 3 to 18 volts.
Adjust R8 for half the supply voltage measured at R6:R7 and ground
Using an 8 ohm speaker load, the circuit has a 50x voltage gain
1 mV (Hi-Z) input produces 50 mV output at 8 ohms.
Distortion starts at about 1 volt RMS output into 8 ohms.

Toroids, Ferrites