I found a pair of vintage Pioneer SE-30A headphone in a thrift store. It was made in Japan around late 60s or early 70s. It's not the best-sounding headphone. My Sony MDR-V700DJ certainly blows it far far away. However, this thing looks absolutely gorgeous. It's so huge with this shiny metal support. Even the cable is thick and shiny with the big 1/4 inch jack. They simply won't make things like this nowadays. Today is all about reducing the size.
It is time to recap my Sony wm-DDII. The device is more than 30 years old and the electrolytic capacitors need to be replaced. I got some nichicon fine gold audio grade capacitors. They are much bigger than the original. It was tough but I managed to fit in four nichicon. I can not do AB comparison but I think there is a significant improvement in terms of sound. The bass goes deeper and feels more powerful. The high is also improved. It sounds more detailed and dynamic than before. I am thinking if I should replace the remaining three capacitors later. Update: The rest of the capacitors were replaced with some ELNA "audio" capacitors from ebay (they are relatively cheap). ELNA "audio" capacitors
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