Bought used six months ago, trs trs electronic sound and well agencla rception is excellent 4 / 5 even with a single wire, the clean trs mono COST Stereo or (a MUCH transistors rather lamps ... hlas). I have heard about and more than thirty possd tuner, the perfect mono-plusque lamps and germanium transistors, and finally the current transistors, if I were to assign a rating based on its tural quality of cost, it would be 14/20...coute couraging on HK 970 Harman, Voice of the theater speaker with speaker excitement homemade relay 300Hz compression Gauss HF4000 (attnu of 10db) on home audio adapter "Pavillon" 2402 + 6Khz a modified home Vitavox HF compression adapter with my acoustic Conclusion qualitprix the top ... and excellent choice for those who think a true hi possder Fidler.