Tube Amp Archive

A good idea maybe an electronic load. The schematic is for low voltage but can easyly be changed to high voltage. The opamp needs approximately +9 volts. You need a LM358 however, a TL072 or RC4558 wont work. If you take a high voltage mosfet you can use it for a HV powersupply. A few diodes and a f...

Down is off. Otherwise something falls down, touches the switch, amp is on,
malfunctions, your house burns down, your wife runs away with another
guy. Just a safety measure. Down is off.

Gait

My "Lab" is aprox. 6 by 6 by 6 feet and I prefer sitting down when the head scratching part starts. Or for designing on paper or enjoying the fruits of my labor. Or sniffing solder. My "Lab" is built like some sort of cockpit with stuff in front, to the left and behind and above me, all within arms ...

Hello everybody, first let me introduce myself. my name is Gait en I'm 46. I've been tinkering with electronics most of my life and I've been lurking around this great forum for about 2 years. Let me say thank you for everything I've learned from reading the posts on this forum. About 2 years ago I ...

This week's favorite guitar solo:

Long John Baldry - Morning Dew (1980)
Don't know who played that.

Gait