A battery had gone rotten and melted one of the battery connectors on my Dan Electro spring king. It was a very simple repair, simply cutting off the old battery connector and replacing it with a new one, using some heat shrink tubing to shield the join.
Opening up the unit, you can see how simple a design is needed to make a good-sounding spring reverb. Some people also mod this pedal with a PT2399 delay giving you a poor mans RE-201 space echo. Perhaps one day this could be a nice little project…
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