Search found 3 matches

by joepus
Tue Jun 09, 2020 6:40 am
Forum: JLM Audio Kits
Topic: 1290 Build Thread
Replies: 98
Views: 308699

Re: 1290 Build Thread

Hey Joe, I have a 1290 project I need some advice with. Testing with a SM7b and my voice, the mic pres starts to fizzle/hum/oscillate at a hi gain stage. I had better luck with an Audia Technica 4033. I wired the input transformers, t1452's like you described in your "Neve transformer info" so I ass...
by joepus
Wed Jan 17, 2018 2:11 pm
Forum: JLM Audio Kits
Topic: POWER PLANT BUILD THREAD
Replies: 41
Views: 107353

Re: POWER PLANT BUILD THREAD

I put my Power plant in a plastic box
I read over and over instructions on how to bolt the power plant to metal box, but I ignored it.
I'll purchase a metal case and check the things you asked about
Thanks
by joepus
Sat Jan 13, 2018 5:30 am
Forum: JLM Audio Kits
Topic: POWER PLANT BUILD THREAD
Replies: 41
Views: 107353

Re: POWER PLANT BUILD THREAD

I need some help. I assembled my power plant, plugged it in and turned it on. everything seemed good. The 24 volt side was hot, maybe 30 volts or so. I dialed it down to 24. The 48 volt side was hot also. It measured 57 volts when I first turned it on. I dialed it down until it read 48 volts. I plug...