Chinese DIY QRP HF Transceiver X1MKII

  Frequency range: RX: 0.5 ~ 30Mhz, 50 ~ 55Mhz. TX: 0.5 ~ 30Mhz, 50 ~ 55Mhz. Mode: SSB / CW / NFM / AM / RTTY (AM receive only). Receiving sensitivity: better than 0.3uV. Operating voltage: 9 ~ 20VDC. Transmitting power: maximum output of 20W, the segment average, power is continuously adjustable. Receive Current:…

EMTRON™ QRO 4 KW PA "DX-3SP"

Photo by Emtron Description: The Emtron DX-3SP Linear Amplifier is a 4000 Watts average output power, for the 160m through 10m amateur bands (9 bands), housed in a desk-top cabinet with self-contained power supply and cooling system. It utilises a two high performance tetrodes, type FU-728F, a ceramic metal tube with a plate dissipation of…