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Hello! I recently acquired a Hammond A100 that needs a full restoration. With the organ I got what I believe to be an external power supply since the organ is fitted with an American power supply (110V), and the organ was used here in Italy. Unfortunately I was not able to find any form of documentation, so I’m trying to reverse engineer the device, and being quite the novice I can’t seem to figure out the tube name, being that it has faded away (this device might not be even the power supply but it’s just a guess).
Alessandro Hull
~analog all the way~
Welcome, being your first post the pictures were removed. Try posting them again and we can take a look.
Radios + Tubes + Scopes + Cars= Nothing better!
sorry for responding so late, busy week!
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~analog all the way~
@alessandro-hull Hi, that is a voltage regulator tube. It is called OD3 (VR-160); Here is the DataSheet. I hope it helps
@ovi4 thank you so much! the base on the tube is cracked unfortunately, so I’m pretty sure I’ll have to replace it. The entire instrument is a LOT of work… it survived a flood in the 90’s and hasn’t been touched since, hopefully it can be brought back to life… but hey, got it for free so no complaints there!
~analog all the way~
@alessandro-hull Ovi beat me to it, I am out on business so I am late as well. No need to replace it! As long as the base has not been turned and the connections are still connected (and not touching each other), all you have to do is put some new glue on it. I have done that before and you would never know. Leave the original glue on if possible because it will retain the original position.
Radios + Tubes + Scopes + Cars= Nothing better!