Tube headphone amplifier.

oldjade · 1st July 2010, 01:54 PM

I am planing to build a tube headphone (pre)amplifier with bass and trble controls using circuit from local electronics magazine. Any one of you will be welcome to share experiences and suggestions. I have built a number of solid state and opamp amplifier but no experience on tube components.

DougL · 04:27 PM

Since tubes tend to be higher voltage, read the safety precautions sticky on the tube forum.

Safety Practices, General and Ultra-High Voltage

Gordy · 1st July 2010, 04:27 PM

Hello oldjade, good luck with the project. It may be helpful if you can provide a schematic / circuit diagram so people here can comment.

alex mm · 05:15 PM

Four pictures of my finished valve preamplifier .......

Alex .

oldjade · 2nd July 2010, 03:02 PM

I have attached the circuit that is in a local electronics magazine. Please be aware that it is under copyright of the publisher.

[IMG]c://My Document/circuit.gif[/IMG]

Pano · 2nd July 2010, 03:10 PM

You have to use the attachment buttons to upload. (you have linked to a file on your hard drive)

But if it is copyrighted and not published elsewhere, please don't put it here without the author's permission.

oldjade · 7th July 2010, 08:59 PM

I have retried to attach the circuit. Please respect copyright of the publisher by not using it for commercial purpose.
oldjade.

1st July 2010, 01:54 PM	#1
oldjade diyAudio Member Join Date: Apr 2010	Tube headphone amplifier. I am planing to build a tube headphone (pre)amplifier with bass and trble controls using circuit from local electronics magazine. Any one of you will be welcome to share experiences and suggestions. I have built a number of solid state and opamp amplifier but no experience on tube components.

1st July 2010, 04:15 PM	#2
DougL diyAudio Member Join Date: Feb 2004 Location: Wheaton IL. Blog Entries: 25	Since tubes tend to be higher voltage, read the safety precautions sticky on the tube forum. Safety Practices, General and Ultra-High Voltage __________________ Scienta sine ars nihil est - Science without Art is nothing. (Implies the converse as well) Mater tua criceta fuit, et pater tuo redoluit bacarum sambucus Last edited by DougL; 1st July 2010 at 04:27 PM.

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1st July 2010, 04:27 PM	#3
Gordy diyAudio Member Join Date: Nov 2006	Hello oldjade, good luck with the project. It may be helpful if you can provide a schematic / circuit diagram so people here can comment.

2nd July 2010, 03:02 PM	#5
oldjade diyAudio Member Join Date: Apr 2010	I have attached the circuit that is in a local electronics magazine. Please be aware that it is under copyright of the publisher. [IMG]c://My Document/circuit.gif[/IMG]

2nd July 2010, 03:10 PM	#6
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	You have to use the attachment buttons to upload. (you have linked to a file on your hard drive) But if it is copyrighted and not published elsewhere, please don't put it here without the author's permission.

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