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About a month or so ago, I put up a post about this Alamo stand alone tube powered reverb unit that was made for using with a guitar amp that didn't have a built in reverb unit. In that post, I posted a video on Dtube of the insides of this interesting vintage piece of equipment. I don't know if the Dtube video will still play, but here's the link to the post.
https://steemit.com/dtube/@amberyooper/rtoxs2bp
Here's the youtube link to the same video as the Dtube link.
When I tested this reverb unit, it had a really bad buzz in the audio and it barely worked at all. I ended up having to replace all of the power supply capacitors to get the unit to work properly. With old tube powered equipment, this problem isn't unusual, the old capacitors only last so long before they start to go bad. This particular reverb unit was probably built in 1964, and it had the original capacitors in it, so it was overdue for an overhaul. After replacing the capacitors and giving it a bit of a test to make sure it was working properly, I made a video to demonstrate the sound that this reverb is capable of. With a reverb unit of this type, you plug the guitar into the reverb and then plug the output of the reverb into the guitar input of the guitar amp. I used my old Fender Princeton guitar amp to demonstrate the reverb unit's capabilities.
Here is the link to that video on youtube.
Reverb units similar to this one were built by several different companies during the 1960s and into the 1970s for use with guitar amps that didn't have a built in reverb. There were different designs, but they all did more or less the same thing, provide a reverb effect for the guitar. Now days everything is digitally produced, but these old reverb units produced actual spring reverb sounds. If the old spring reverb sound is better or worse than the newer digital reverb effects is probably simply a matter of opinion.
That's all I have for this post, I hope you found it interesting!
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