Linear Amp Discovery 70 - 432MHz GS31 Linear Amplifier
For Radio Amateurs that need effortless, reliable power for contesting, DXing or EME.
The Linear Amp UK Discovery 70 utilises a single Russian GS31 triode and will produce up to 900 Watts output with 100W of drive.
All brass anode stripline - silver plated on request for minimal losses and long term stable operation.
Heavy duty UK made 2.2kVA toroidal transformer with a high power voltage doubler HT board.
Fully specified control and protection circuit board offering anode flashover protection, grid overdrive trip, auto soft start and in-built 3 minute warm-up timer.
The cooling is via an integral high performance centrifugal fan.
Quiet coaxial changeover relays used for input and output with sequential switching to eliminate hot changeover arcing.
All built into a CNC punched and folded steel chassis with 3mm aluminium front panel.
100% duty cycle - Full output can be maintained all day long for EME, Data Mode and contest operation.