Information was exclusively provided to CQDX.ru by an ACOM. ACOM1500 is developed on the base of the well known ACOM1000. The tube GU74B has been replaced by 4CX1000A and the power supply is beefed accordingly. The RF power is up to 1500 W. PEP output on 160 trough 6m Bands. Another improvement is the internal antenna…
Nice WEB Site from AC0C that I Recommended. A lot’s of useful tips for old Heathkit “SB200” Linear Amplifier and additional DiY ideas and not just for PA stuff. Photo by AC0C I have loved RTTY since I was a young ham. Had a Western Electric RTTY machine in my bedroom as a kid. My…
Good news came from USA / Elecraft: The KAT500 is a new high power autotuner that is can be used with both the K3/KPA500 and all other HF amplifiers and transceivers. The KAT500 uses the same topology and high performance tuning algorithms as the popular 100W autotuner in the K3. Typical matching range at 500-600W…
PM500EF it’s an RF Power Amplifier designed for Medium Wave Broadcast Radio Band transmitters. PM500EFs output power is 500 Watt PEP ( 125 Watt Carrier ) at 50 Ohm load. This PA amplifies the input RF signal typically by 17dB, it operates at 48V / 17 Amp. max power supply.The operating class is B Push-Pull…
Chinese Amplifier Revisited. What’s inside, all manual pages and shipping crate images. Ed, NT2X used this amplifier at VR2EH (Hong Kong) in Oct 2011. This exclusive content and pictures were provided by NT2X © Pictures of the amplifier unit, with images of the accompanying manual pages are provided. The unit is packaged in a plywood…