Category Archives: Audio

AE shorts #4 & 5

Posted on May 5, 2013 by Claudio

First I discovered that you actually can use a steel nail as a drill :D And then I finally made me a new RCA phono jack for my amp: Have fun! see you then… First I discovered that you actually … Continue reading →

Posted in Analog, Audio, Bench | Leave a comment

February update

Posted on February 9, 2013 by Claudio

So Folks, its been a while, with little time on my hand and less to spare for the blog there hasn’t been much activity in the last month. This, of course, has to change and so here are some teasers … Continue reading →

Posted in Analog, Audio, Bench, radio, Toy, Tubes | Leave a comment

Retrobörse in Vienna 2012

Posted on December 10, 2012 by Claudio

Luckily I had some time last Saturday to visit the Retrobörse Wien 2012. A bunch of vintage enthusiasts and traders gathered at the Freihaus (part of TU-Wien) to chat and trade old computer games, computers and consoles. I really had … Continue reading →

Posted in Audio, Vintage | 3 Comments

Luxury Junk

Posted on July 4, 2012 by Claudio

I just couldn’t resist bidding on some ebay deal where a guy sold his cellar of HIFI-electronics. There was /much/ more than shown here. This are the parts, I probably gonna use in some way. Some very old (1991) Camcorder, … Continue reading →

Posted in Analog, Audio, radio, Recycling, Toy, Vintage | Leave a comment

Imperial March on Avr Devboard

Posted on June 20, 2012 by Claudio

I will not be able to make a new episode in the next 2 to 3 weeks so in the meantime enjoy this little piece: I did not write the code – I only changed some port numbers to fit … Continue reading →

Posted in Audio, Microcontrollers, Tools, Toy | Leave a comment

AE EP#32 Great Beginner Project: 2x20W Stereo Amp

Posted on April 5, 2012 by Claudio

So this is a little amp built around the TDA7262 from ST. It is the only active component in it. Around are some caps resistors and plugs. The datasheet can be found here. See a fitting tone control circuit here … Continue reading →

Posted in Analog, Audio, OpAmp | Leave a comment

AE EP#31 Zombiecalypse TV Station

Posted on March 24, 2012 by Claudio

Yeah this means we will have some more TV, when the undead arise! This is a super simple setup – with only one flaw: under most jurisdictions it is illegal :( But if we replace the Antenna with a wire … Continue reading →

Posted in Analog, Audio, radio | Leave a comment

I Just found some GDR-Amp

Posted on February 28, 2012 by Claudio

I got myself a little treat (10 Kg of scrap electronics) and inside I found, among other great stuff, a GDR board that was made by RFT. It seems to be some kind of stereo amp or Tone control circuitry … Continue reading →

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AE EP#26 The Ultimate Breadboard

Posted on February 4, 2012 by Claudio

While I was working on my Oscilloscope project I discovered, that breadboards are only semi-useful for Bigger things. Everything seems not to add to your project but to just pile up on it. After you added some probes and things … Continue reading →

Posted in Analog, Audio, Bench, measure, Recycling, Tools, tools & helpers, Toy | 7 Comments

AE EP#22 Electron Tubes Basics & Example Amplifier Project

Posted on December 24, 2011 by Claudio

In this video I quickly cover the electron tubes basics and show a little tube amp project, that uses the 1T4 (DF91). The 1T4 is a low voltage tube that can be operated from 45 (it actually works with 12V … Continue reading →

Posted in Analog, Audio, Tubes, Vintage | 1 Comment