Dorrough Electronics was a pioneer in multiband broadcast processing. This is a model 610, the digitally controlled sucessor to the original 310.  These are mostly in collector’s hands now, although a few undoubtedly remain in service. Dating […]

   Energy Onyx  was a transmitter manufacturer in Valatie, NY for several decades.  Some of their equipment was designed and built in house, others rebadged from other manufacturers, often RVR.     This Exciter I am nearly certain was a Rebadge […]

Aphex sold a lot of these 200/230/Channel  Mike Processors. Unfortunately the built in power supply doesn’t age well.    They have a somewhat unique sound thanks to what they call “reflected plate”tube technology.  The tube is run at a very […]

This is the  solid state driver amplifier out of a Broadcast Electronics FM transmitter.  It’s job is to take 10 watts from the exciter and bring it up to 150 watts to drive the final tube.       This […]

People love these FXi exciters.  I don’t.  They sound great, but that display…ugh.  The entire unit is DOA when it fails, and fail they do. And they are no longer available.     Fortunately that’s not the problem with this one.  This […]

        It’s hard to not like these Radio Systems consoles. They’ve held up very well over the years and continue to sound good.       They are subject to aging though.  One of the first places they […]

  These are still among the best FM exciters ever made, the Broadcast Electronics FX Series.  This one just needs a little clean up, new capacitors, a new fan and an unused accessory card removed.      This one has […]

  Armstrong 100 watt FM Exciter.  Approximately 20 years in service.  Built by RVR in Italy, these units are re-badged by Armstrong, Bext and probably others.  They’re generally very good, until the day they aren’t.    Today is that day.  […]