• You can now help support WorldwideDX when you shop on Amazon at no additional cost to you! Simply follow this Shop on Amazon link first and a portion of any purchase is sent to WorldwideDX to help with site costs.
  • The Feb 2025 Radioddity Giveaway Results are In! Click Here to see who won!

Reply to thread

Not enough information to provide you with help. If the transistors are good and you need help with the circuit, we need to know what circuit it is and to see some detailed pictures of the inside, in order to spot potential problems. Do we even know if the relay keys or if the amplifier is drawing any power from the 12 volt supply?