Simplest Tube Regulated PSU?

pftrvlr · 1st August 2007, 05:21 AM

I have some Zener diodes and 6080 tubes. I'm thinking to build a regulated PSU around 250v for a headphone amp. What is the simplest way?

ray_moth · 1st August 2007, 07:50 AM

Without starting an argument about the need or otherwise for a regulating the PS of headphone amp, the best approach would be a parallel regulator with a suitable series resistor, either using series zeners across the output or using the tube with a zener in its cathode and a voltage divider to its grid across the output.

stoolpigeon · 1st August 2007, 08:00 AM

I also have some 6080 I would like to use. Plus I have some voltage reference tubes 5651 it would be good to use. I found this schematic but any comments would be appreciated.

kstagger · 1st August 2007, 11:35 AM

Steve Bench has a series on regulators that should give you some ideas
http://members.aol.com/sbench/reg1.html

1st August 2007, 05:21 AM	#1
pftrvlr diyAudio Member Join Date: Feb 2007 Location: SoCal	Simplest Tube Regulated PSU? I have some Zener diodes and 6080 tubes. I'm thinking to build a regulated PSU around 250v for a headphone amp. What is the simplest way?

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1st August 2007, 07:50 AM	#2
ray_moth diyAudio Moderator Emeritus Join Date: Jan 2004 Location: Jakarta	Without starting an argument about the need or otherwise for a regulating the PS of headphone amp, the best approach would be a parallel regulator with a suitable series resistor, either using series zeners across the output or using the tube with a zener in its cathode and a voltage divider to its grid across the output.

1st August 2007, 11:35 AM	#4
kstagger diyAudio Member Join Date: Dec 2003 Location: Grand Rapids	Steve Bench has a series on regulators that should give you some ideas http://members.aol.com/sbench/reg1.html