05-31-2016, 07:54 AM
(This post was last modified: 05-31-2016, 08:15 AM by karpathion.)
GV, I need your assistance again. I'm about to order the OT for my 18W TMB build. Like now.
The problem I'm encountering is the PT. All the PTs I see for these 18 watters have a 580V secondary. Like this one.
http://www.classictone.net/40-18056.html
Mine only has 310V. I know I can drop the voltage with Zener Diodes, and I can take it up with caps, but what exactly am I needing? All the schematics I can find with voltages show the most I'll need is about 295V.
Can you point me in the right direction for the info I need? For some reason I have ignored the power supply through all my studying over the last few weeks. Now, I'm stuck.
The 18Watt forum is dead as hell these days, so any help I can get there takes a week to get. I'm so close to having it all figured out it hurts. This should be the last piece to figure out.
One of these 2 is what I want.
![[Image: 151ucb.jpg]](https://i.imgflip.com/151ucb.jpg)
![[Image: 151ugr.jpg]](https://i.imgflip.com/151ugr.jpg)
The problem I'm encountering is the PT. All the PTs I see for these 18 watters have a 580V secondary. Like this one.
http://www.classictone.net/40-18056.html
Mine only has 310V. I know I can drop the voltage with Zener Diodes, and I can take it up with caps, but what exactly am I needing? All the schematics I can find with voltages show the most I'll need is about 295V.
Can you point me in the right direction for the info I need? For some reason I have ignored the power supply through all my studying over the last few weeks. Now, I'm stuck.
The 18Watt forum is dead as hell these days, so any help I can get there takes a week to get. I'm so close to having it all figured out it hurts. This should be the last piece to figure out.
One of these 2 is what I want.
I hear Mexico is nice this time of year.