Author Archives: jwk

What do you get from a $25 multimeter?

Posted on October 4, 2014 by jwk

Fred Clift wrote over on his blog about why it’s worthwhile to pick a more expensive multimeter. He’s comparing a $200 Fluke to a $6 Harbor Freight multimeter, which really is a no-brainer. I’m not sure the Harbor Freight model … Continue reading →

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Wherever you go – you’re headed for FUN with Motorola Portables

Posted on October 1, 2014 by jwk

No matter where you’re going, you’re headed for more Fun with a Motorola Portable! They play anywhere – on their own batteries or on house current. You’ll like the dependable performance that comes from the ruggedly built chassis and shock-resistant … Continue reading →

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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 →

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Steampunk USB Vacuum Tube Flash Drives

Posted on September 26, 2014 by jwk

I ran across these very cool steampunk-inspired USB flash drives drives built around a vacuum tube while looking for some tube shields. They look like they’re really well built and are a clever use of an old vacuum tube. I … Continue reading →

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NordeMende Globetraveler 7/601 Rebuild

Posted on September 23, 2014 by jwk

This rare and valuable example of late 1960s German engineering came through my shop recently, the NordeMende Globetraveler 7/601. Marketed as the Globetrotter in Europe, RCA already marketed a radio called the Globetrotter in the United States and so the … Continue reading →

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Test Equipment Round-Up – September 20th, 2014

Posted on September 20, 2014 by jwk

I always keep an eye on eBay for plug-ins for my HP 143 oscilloscope and even if they don’t turn up, it’s always interesting to see what else is in the category. Some of these are pretty interesting – there’s definitely … Continue reading →

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Marantz 2245 Stereophonic Receiver Rebuild

Posted on September 19, 2014 by jwk

An iconic piece of kit from the golden age of hi fi just came through my shop: the Marantz 2245 Stereophonic Receiver. This fantastic receiver is in pretty good cosmetic shape, but its owner reported that it started acting up – it’d take … Continue reading →

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Getting Started With Vintage Radio and Electronics: Basic Tools for the Hobbyist

Posted on September 18, 2014 by jwk

A few people have asked me variations of  “What tools do I need to fix my first radio?”, “What do I need to put together this soldering kit?”, and such. It’s not as simple as you might think. There’s a … Continue reading →

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New Toy: LogiMetrics 921A RF Signal Generator – Refurbished by KISS Electronics

Posted on September 17, 2014 by jwk

I just had an unexpected run-in with Murphy’s Law and found myself needing a modulated signal generator in short order. Bad news when my modulated signal generators decided to die right when I went to perform an alignment! My Leader Standard … Continue reading →

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New Toy: Keithley 2015 THD Multimeter

Posted on September 12, 2014 by jwk

I picked up a new piece of gear for the shop recently, the Keithley 2015 THD Multimeter. It was a fantastic deal – a refurbished and calibrated unit for about 10% of the MSRP. These have been manufactured for about … Continue reading →

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