Broadband magnetic 1mt. loop amplifier, based on the first version of the most famous magnetic loop for reception on the market, now out of production WELLBROOK ALA1530.
Various versions, from the simple stand-alone board to the one complete with box and T-Bias power supply. IMPORTANT: Due to transport difficulties abroad, the complete version with loop as shown in pic is not provided, which must be self-built by the buyer.

Possibility on request to customize the loop connection system, standard with 20 mm passage holes. for the classic coated aluminum tube for air conditioners, or the screw and bolt connection.
You can see explanatory and test videos, go to my Youtube channel: https://www.youtube.com/channel/UCRxQXgBiaF69GDWDKz1wFIQ The buyer must pay within three days of the end of the auction.