RADIOTEHNKIKA S-30 speakers from old to new

 3r3179. 3r3-31. RADIOTEHNKIKA S-30 speakers from old to new 3r3167.  3r3179. 3r3167.  3r3179. Hi, my name is Artem Denisov. I am a programmer, fond of electronics and all sorts of such interesting things. I read habrakhabr for many years, and now I decided to write an article myself. 3r3167.  3r3179. 3r3167.  3r3179. This story began in the old, the dark and 3r3r11. terrible 3r312. the basement. In which I found
 3r3179. Ancient Soviet speakers RADIOTEHNKIKA S-30. Which I got from my grandfather. 3r3167.  3r3179. 3r3167.  3r3179. It was a pity to throw them away, so I decided to restore them. Make it possible to listen to music from your phone, etc. mn Who cares, welcome under cat. 3r3167.  3r3179. 3r3167.  3r3179. ATTENTION!!! A lot of photos and videos. 3r3167.  3r3179.
3r3167.  3r3179. "Drilling for oil?" Do you mean that you need to drill the earth in order to find oil? You are crazy! ”Response to the project of Edwin Drake, the creator of modern oil production, 1859 3r3167.  3r3179. 3r3167.  3r3179. Many will say: "why do these nonsense to do? You can simply buy a new column. ” Indeed, perhaps such a scenario would be preferable for the majority. However, if you still decide, you will have an amazing opportunity to make just such a piece of iron, which requires your soul and heart. 3r3167.  3r3179. 3r3167.  3r3179. So let's go. 3r3167.  3r3179. 3r3167.  3r3179. 3r3147. 1 - disassembly
3r3167.  3r3179. Of the two columns, only one was working. And that's how she looked. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. You will not believe. Capacitors on the crossover (frequency divider) retained their capacity. But these columns are over 30 years old. Honestly! I was drinking and checking. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3147. 2 - design 3r3148. 3r3167.  3r3179. All dismantled. The speakers were able to successfully extract. The crossover, surprisingly, was still alive. What to do next? 3r3167.  3r3179. 3r3167.  3r3179. Benjamin Franklin said: “The best investment is an investment in knowledge.” Therefore, it was necessary to visit the library, but to make a couple of good investments. 3r3167.  3r3179. 3r3167.  3r3179. It turns out that calculating the speaker system in the right way is not at all so easy. Therefore, it was decided to create a new one, with minimal deviations from the old one. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. And to save the version of the design of the speaker system with the phase equipment in the form of a tube 3r3167.  3r3179. 3r3167.  3r3179. 3r3398. 3r3167.  3r3179. 3r3167.  3r3179. 3r3147. 3 - spare parts 3r3148. 3r3167.  3r3179. It is necessary to build an amplifier into the speaker. There are many different boards and features. You can separately buy an amplifier, bluetooth module, power supply, and so on. mn However, I decided to use a ready-made solution. My choice fell on the next amplifier. 3r3167.  3r3179. 3r3167.  3r3179. 3r3111. 3r3167.  3r3179. 3r3167.  3r3179. This thing solves many problems right away. It contains a bluetooth module, supports the ability to listen to music from a flash drive, from the TV. And it has a universal power supply 110/220 volts. And even contains, in a set, a remote control panel. 3r3167.  3r3179. 3r3167.  3r3179. And so that life was fun and joyful, I also ordered a beautiful retro sound level indicator. 3r3167.  3r3179. 3r3167.  3r3179. 3r3124. 3r3167.  3r3179. 3r3167.  3r3179. And a red glowing power button. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. 3r3167.  3r3179. Well, a couple of pieces of wood were cheap to buy at a local store
 3r3179. 3r3167.  3r3179. 3r3142. 3r3167.  3r3179. 3r3167.  3r3179. 3r3147. 4 - build 3r3148. 3r3167.  3r3179. I assume that you are already tired of reading texts and watching pictures. Therefore, I suggest you see the video about how the process of manufacturing the column. As they say - better to see once than hear a hundred times. 3r3167.  3r3179. 3r3167.  3r3179.
3r3158. 3r33175. 3r33175. 3r33175. 3r3167.  3r3179. If you have any questions, I will be glad to answer. 3r3167.  3r3179. 3r3167.  3r3179. I wish you a good day, brilliant ideas, and always only good music! 3r33175. 3r3179. 3r3179. 3r3172. ! function (e) {function t (t, n) {if (! (n in e)) {for (var r, a = e.document, i = a.scripts, o = i.length; o-- ;) if (-1! == i[o].src.indexOf (t)) {r = i[o]; break} if (! r) {r = a.createElement ("script"), r.type = "text /jаvascript", r.async =! ? r.defer =! ? r.src = t, r.charset = "UTF-8"; var d = function () {var e = a.getElementsByTagName ("script")[0]; e.parentNode.insertBefore (r, e)}; "[object Opera]" == e.opera? a.addEventListener? a.addEventListener ("DOMContentLoaded", d,! 1): e.attachEvent ("onload", d ): d ()}}} t ("//mediator.mail.ru/script/2820404/"""_mediator") () (); 3r3173. 3r3179. 3r33175. 3r3179. 3r3179. 3r3179. 3r3179.
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