* Since there are difficulties with the attachment part on both sides, it is inexpensive. Line matching transformer sold primary: 600 ohms, output 10 dBm, frequency range, 50 to 10 kHz, W44 x H65 mm, 0.25 kg/piece, the head of the mounting bolt on one side is flying off, and there is distortion in the screw hole on the other side (Kojima Yosuke)
Accessories: none