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Monthly Archives: December 2014
Play Quake 1 on an Oscilloscope
Pekka Väänänen must have been bored over the holidays, as he came up with a fantastic and fascinating new use for an oscilloscope and a laptop: playing a round of Quake on his Hitachi V-422 scope in X-Y mode. After … Continue reading
Posted in Computers, DIY, Electronics, Gadgets
Tagged lofibucket, oscilloscope, quake, quakescope, vector, video game
2 Comments
Merry Christmas from Retrovoltage!
Season’s Greetings!
Posted in Collections, Commentary, Vintage
Tagged 1950s, christmas, hifi, merry christmas, vintage audio, vintage speaker
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Sony TA-5650 VFET Integrated Stereo Amplifier Overhaul
Cross-posted from the Rain City Audio Repair Blog: I recently got to work on a very interesting piece of vintage stereo gear from the golden age of hi-fi in the ’70s, the Sony TA-5650 VFET Integrated Stereo Amplifier. It’s a … Continue reading
Posted in Audio, Electronics, Hi-Fi, Projects, Vintage
Tagged amplifier, bias diode, capacitor replacement, integrated stereo amplifier, overhaul, Sony, Sony TA-5650, stereo amplifier, varactor diode, VFET
1 Comment
Philco 42-365 Antique Radio Repair
This Philco 42-365 came to the shop in need of major repairs. It was missing its dial string, lamps, and the power transformer had melted down due to a failure in the main electrolytic capacitors. It’s melted and run everywhere, … Continue reading
Posted in Projects, Radio, Radios and Tubes, Vintage
Tagged 42-365, antique radiov, philco, radio repair, vintage radio
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How Speakers Make Sound
If you’re looking for a great visual primer on how speakers convert electricity into the music you hear, check out this fantastic animated infographic by Jacob O’Neil at Animagraffs How Speakers Make Sound
Posted in Audio, Electronics, Ideas, Resources, Speakers
Tagged how speakers make sound, infographic
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RETROVOLTAGE 
Watch a McIntosh Tube Amp Come to Life
Discovery’s How It’s Made shows us how a McIntosh vacuum tube audio amplifier comes to life: http://www.youtube.com/watch?v=2HgS6gvokEI Definitely worth watching!