Tag Archives: permanent magnet speaker

Mailbag: Can An Antique Permanent Magnet Speaker Catch Fire?

Posted on September 11, 2014 by jwk

Here’s a question I received recently that I thought could use a Mailbag post: Can an antique permanent magnet speaker catch fire? Interesting question. Short answer? Maybe. Longer answer? Well: It really depends what the source of the fire is. Pretty … Continue reading →

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1936 Grunow 566 Repair Finished! [Part 2]

Posted on March 10, 2012 by jwk

I started this radio a few days ago in Part 1. I left off with the radio up on the bench ready for service. It had a lot of issues with the power supply – and as I discovered while … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , , | 2 Comments

Next Project: 1936 Grunow 566 Radio Repair [Part 1]

Posted on March 6, 2012 by jwk

I’m off to a good start for my March projects, fixing up the Grunow 588. Next up is my Grunow 566 from the year before, from 1936. I picked this one up from eBay in shockingly good original condition – … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , | 2 Comments