Tag: Presonus Eris 3.5 troubleshooting

I completely strip down a non-working Presonus Eris 3.5 Generation 1 studio monitor and replace its failing electrolytic capacitors to repair a problem where the monitor speakers were not working. The Eris 1 was not powering on and seemed dead. The stock caps were cheap, low-quality parts that had become faulty from heat. As one…