JLM AUDIO

Hi Joe,

I've since replaced C1 and C2 pump charge caps.

Installed jumper to voltage tripler, and dialed in +48V

Everything is working as it should, thank you again Sir for your kits and for your support, it is very much appreciated!!

Thanks for the prompt attention Joe! C1 and C2 are the pump charge caps for the 48v rail. They will only puff up if the power secondary transformer AC voltage is to high or there is a dead short on the 48v rail or the doubler/tripler jumper is set wrong. What power transformer are you using and what...

Hello, I have here a JLM powerstation. I'm using V1 V2 and 48V. C1 and C2 on the powerstation went puffy on me only after having it burnt in and working properly for >24hours. The condition of which they went puffy, I was firing up 4x 1290 preamps from V1, and using 48V from the powerstation to supp...