Classic Hartley transmitter using an 811 tube. Aprrox. output 45-65W (depends on coupling).
Rig is mounted on a 21 in. L x 18 in. deep board, cut from a 48×18 prefabricated, edge-glued shelf board from big-box home improvement store. Stained with dark walnut finish.
TPTG (Tuned Plate – Tuned Grid) Transmitter for 630M (472-479 kHz)
1920s/1930s style TPTG transmitter using a pair of 809s in push-pull.
Pine Base panel before staining; 12 in x 36 inContinue reading …..
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