My Chinese is non existent, but I see AliExpress is selling a multi-band crystal set with a Band II FM stereo radio included for good measure. All the markings appear to be in Chinese, so I cannot tell what they say. The price seems very high.
19 Jul 2025
Do you speak Chinese?
My Chinese is non existent, but I see AliExpress is selling a multi-band crystal set with a Band II FM stereo radio included for good measure. All the markings appear to be in Chinese, so I cannot tell what they say. The price seems very high.
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I do read Chinese, but your images are very small. If you are very interested in having this translated, if you can send me better images, I can do it, even though I'm better with the traditional Chinese characters. My e-mail can be found on QRZ.com.
de BX8AAD
Google speaks Chinese. If you use Google translate on your mobile phone it will translate for you.
Another ad for this set has a picture with an English translation.
Crystal receivers are a big deal in China. Enthusiasts have gone as far as having special high impedance audio transformers made along with special ferrite cores and rods. I purchased one of the high impedance matching transformers. Its much better than what I could buy from the West.
A couple of years ago Chinese enthusiasts organised a group build/purchase of a Q meter able to measure very high Q's so they can extract the last bit of performance from their crystal sets.
This set is intended for an enthusiast and allows reconfiguration to use different detectors and other components. Its not the normal junk crystal sets you see from China.
Thank you for offers of help and more information. My problem is finding the site on AliExpress with an English translation. Link?
When I try and provide a link it wants to include my address as well so this is a translation (normal machine translation grammar). I tried attaching a picture but it seems its not allowed. The seller is called HamGeek Store (Trader), he has several ads.
Description
Multiple-functional Crystal Radio FM Radio Magnetic Ring Dual Circuit Coil and Direct Coupling Conversion
Description:
- The front of the crystal radio is not only a crystal radio, but also can be connected with three major parts, namely, coil, variable capacitor, detector diode and field tube, and crystal radio. A complete crystal radio can be assembled, which can visually compare the advantages and disadvantages of the coil and detector, which is very convenient for players to play with crystal radio. The ore machine uses magnetic ring, coil double circuit and direct coupling conversion, diode and field tube conversion, and the second gear of the ammeter can be changed and closed, equipped with impedance converter, it can be used as both high impedance and low impedance earphones, with complete functions and convenient operation.
- The reverse side is an FM radio with MP3 music player, which is not connected to the front side. The 3.7V 18650 rechargeable lithium battery is used for power supply, 30 x 70 speakers and support remote control, and the level meter in the middle is actually a pass meter, which is used to test the continuity of the crystal radio. It is very practical. The whole machine is 200 x 120 x 80 (mm).
Thank you so much. Roger G3XBM
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