IWISTAO Tube FM Radio Tuner FM Super-regenerative Handmade Nostalgia Radio 6J1 + FU-25
In fact, just a nostalgic mood! When you put the tube FM radio on the desk and savor it, or when you put the headphones into it, turn tuning knob to listen, it seems to have returned to the old days of childhood, everything becomes more and more comfortable at the moment, at this moment, broadcast content has become less important, it is important that but it is one with the thoughts that fly mood. . . . . .
This tube radio has two tubes, which adopt super-regenerative mode to receive FM radio signals. Has high sensitivity, Either high impedance headphones with nostalgia, but also through the line output jack. You may connect it to amplifier and computer sound card to access the playback, that expand the scope of application of the radio.
Of course, the tube FM radio adopted an ancient technique and don't have high sensitivity of IC FM radio, please do not compare with modern digital radio technology, just enjoy it.
The customer bought it and added a output transformer plus a full range speaker, then the tube FM tuner became a real tube FM radio.
Also you can connect it with a power amplifier like this.
There is the vedio below.