Category Archives: Radio

Building the SSTRAN Part 15 Low Power AM Transmitter Kit

Have a bunch of old tube radios, but nothing good on the air in your area? That’s a common problem, and SSTRAN has the solution! I just built one of these to give as a gift, and thought I’d write up … Continue reading

Posted in DIY, Electronics, Projects, Radio | Tagged , , , , | 3 Comments

Philips High Fidelity Laboratories 673 Tuner Repair and Alignment

This Philips 673 tuner just came through the shop for an overhaul and adjustment. It was working for the most part but the alignment had shifted and there was room for improvement on the sound quality. Philips designed this tuner … Continue reading

Posted in Audio, Electronics, Radio, Vintage | Tagged , , , | 3 Comments

Antenna Distribution for AM Radios

I’ve had a few questions come my way about antenna distribution systems for AM radios, specifically to connect something like a large attic antenna to multiple radios at once. There’s a lot out there designed for VHF/UHF or CATV signals, … Continue reading

Posted in DIY, Electronics, Gadgets, Radio, Resources | Tagged , , , , , , , , | 9 Comments

Telefunken Bajazzo Sport 201 Transistor Radio

I don’t typically service portable transistor radios, but I make an occasional exception for something especially unique or interesting. The Telefunken Bajazzo Sport 201 is no exception – it’s a high end piece of German engineering, a great performer with … Continue reading

Posted in Electronics, Projects, Radio, Vintage | Tagged , , , , , | 5 Comments

Sherwood S2000-III Tube FM Tuner Repair

Sherwood made some excellent hi-fi FM tuners back in the day, and this S2000-III is no exception. Unfortunately, there’s not a lot of documentation about this model available, but that didn’t stop it from getting an overhaul and alignment. The … Continue reading

Posted in Audio, Electronics, Hi-Fi, Radio, Radios and Tubes, Vintage | Tagged , , , , | 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 , , , , | Leave a comment

For Sale: The KN0CK and KF7LZE RTLSDR for HF Rev. 5!

I’m happy to announce that Rev 5 of the KN0CK and KF7LZE RTLSDR for HF is now available for sale in its 5th iteration – now featuring Direct Sampling, while still keeping the familiar wide-band pre-amplifier! On account of the … Continue reading

Posted in Electronics, Gadgets, Hardware, Radio | Tagged , , , , , , , , , , | 1 Comment

Coming Soon: KN0CK and KF7LZE RTLSDR Receiver Rev. 5!

Edited 6/10/2014: Now for sale directly at KF7LZE.net! I’m proud to announce that in just a few days, Easy-Kits.com in cooperation with KN0CK will be releasing Rev. 5 of the popular RTLSDR Integrated Upconverter with a brand new design and … Continue reading

Posted in Electronics, Gadgets, Hardware, Radio | Tagged , , , , , , , , , | 2 Comments

1936 Zenith 5-S-29 Repair with Dial Face Replacement

I recently had the privilege of working on this beautiful 1936 Zenith 5-S-29 tabletop radio. It’s a beautiful 5-tube table radio with a 6-inch speaker and the iconic black Zenith dial and lightning bolt Z pointer. This one is special, … Continue reading

Posted in Electronics, Projects, Radio, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , | Leave a comment

KN0CK HF Converter Rev. 4 is Released!

The complete Rev 3 KN0CK HF Converter has sold out and been discontinued. That’s okay, though, because it’s been replaced with the KN0CK RTLSDR for HF Revision 4! This model incorporates a lot of the feedback from the community about the … Continue reading

Posted in DIY, Electronics, Gadgets, Radio, Technology | Tagged , , , , , , , , , , , , , | 1 Comment