Tag Archives: oscilloscope

Collector or Bargain-Hunter? There are Craigslist deals out there.

Posted on December 12, 2015 by jwk

If you’re like me and have a liking for vintage electronics, you’ll know that they turn up in a lot of places. Craigslist tends to be a pretty good spot for radios and even piles of tubes from time to … Continue reading →

Posted in Commentary, Test Equipment, Vintage | Tagged , , , , , | 7 Comments

Play Quake 1 on an Oscilloscope

Posted on December 29, 2014 by jwk

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 , , , , , | 2 Comments

HP 143A Wide Screen Oscilloscope Mainframe Restoration – Part 2

Posted on October 15, 2014 by jwk

Part 1 I’m continuing to work on getting my HP 143A ocsilloscope mainframe fixed up as a dual-trace X-Y display. A lot of the time has been spent on reading and researching, but I’ve picked up an important tool that will … Continue reading →

Posted in Electronics, Gadgets, Test Equipment, Vintage | Tagged , , , , , , | 1 Comment

New Toy: HP 130C Oscilloscope

Posted on September 29, 2014 by jwk

I’ve been looking for a nice balanced input oscilloscope to use as a bench audio scope for a bit, and I do enjoy some vintage test equipment…so I recently ended up with an HP 130C oscilloscope. This early ’60s tube … Continue reading →

Posted in Electronics, Test Equipment, Toys, Vintage | Tagged , , , , , , , , , , | 1 Comment

HP 1405A Plug-In Mystery: Which Is It?

Posted on September 1, 2014 by jwk

I’m fixing up an HP 143A Wide-Screen Mainframe Oscilloscope, which has a very big selection of plug-ins to provide a variety of functions. The oscilloscope has symmetrical vertical and horizontal circuits, so it can be used as an X-Y amplifier … Continue reading →

Posted in Electronics, Gadgets, Photos, Test Equipment, Vintage | Tagged , , , , , , , , , , | 16 Comments

Wanted: Vintage HP 1400-Series Vertical Amplifier Plug-Ins for Oscilloscope

Posted on August 21, 2014 by jwk

I’m looking for plugins for my HP 143A Wide-Screen Mainframe Oscilloscope which I’m in the process of restoring. I’d love to run it as a 15″ high speed X-Y display, and to do so needs matched vertical amplifier plugins in … Continue reading →

Posted in Electronics, Gadgets, Projects, Test Equipment, Vintage | Tagged , , , , , , , , , , , , | 4 Comments

New Toy: HP 143 Wide-Screen Oscilloscope Mainframe Restoration – [Part 1]

Posted on August 14, 2014 by jwk

At the risk of becoming a test equipment collector, I am picking up a few pieces of vintage test equipment that need some work, but will be very useful pieces of shop gear as well as interesting pieces of history … Continue reading →

Posted in Collections, Electronics, Hardware, Projects, Test Equipment, Toys, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , | 8 Comments

Thrift Store Jamo MPA-101 Repaired – She’s Back Up and Running!

Posted on February 11, 2013 by jwk

I started working on a Jamo MPA-101 amplifier back in August for a friend and after some early work it sat for a while. He’s re-doing his audio system at home so I spent a few hours to finish troubleshooting … Continue reading →

Posted in DIY, Electronics, Projects, Speakers | Tagged , , , , , , , , , , , , , , , , , , , | 11 Comments

October Projects

Posted on October 3, 2011 by jwk

September was a good month for projects. I accomplished all the things I set out to do and more: I’ve finished the Hornyphon radio for my customer Repaired and began using the Hallicrafters Got the broken ViewSonic monitor going again … Continue reading →

Posted in Commentary, Electronics, Internet, Projects, Radios and Tubes, Software | Tagged , , , , , , , , , , | 1 Comment

Repairing an Antique Radio from Start to Finish [6.5] – Grunow 589

Posted on June 21, 2011 by jwk

I’m continuing to work on this Grunow 589 radio, and it’s being difficult. If you’re just joining in, take a look at the previous entries to see what you’ve missed and catch up – not to mention, there are some … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , | 7 Comments