DIY All-Tube Phono Preamp Project
Part 3, Metal-Working for Dummies
By Steve Graham, chief dummy
Working with fire and steel? Would you believe alcohol and aluminum? Bonus points to those who can name the 80’s pop group that issued the album shown above. No cheating searching the title online.
Before we start torturing some metal: If you are sitting on the fence, wondering whether or not to build one of these for the following reasons:
- You think this preamp won’t have enough gain because it uses a 6DJ8 for the first stage (a 12AT7 is used for the second stage): Most line stages have plenty of gain so it takes some of the gain burden off of the phono stage.