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quanghao 17th May 2010 05:20 AM

HQ-DHT (All tube DHT amli) 26-45-2A3
1 Attachment(s)
Hi all!
When i finis some my pre use tube 6h30, i like some tube DHT for pre.
So i like design HQ-DHT use tube 26-45-2A3 or 300B.

1. I use filament design by Rod Rod Coleman I was success it.
Thank Rod Rod Coleman
My am li was not hum not noise.

2. And supply HV design by janneman
Thank Jannemen

3. Cricuit HQ-DHT (I thank the consultants of Andrea)
I have some reference in the following websites:
26 Menu

I see although the circuit i use incorrect data tube, but it sounds fascinating. I love it.
the sound is magic

Hi all, with experience and use tube 26 and tube 45, you can suggest or share my experiences and run modes of tube! thanks

quanghao 17th May 2010 06:00 AM

3 Attachment(s)
some image of my amli

quanghao 17th May 2010 06:05 AM

2 Attachment(s)
and image in side

quanghao 17th May 2010 06:39 AM

1 Attachment(s)
and here is the schematic design by Andrea

m461c14n 17th May 2010 07:08 AM

very nice Quanghao......
How is the sound....

quanghao 17th May 2010 08:53 AM


Originally Posted by m461c14n (
very nice Quanghao......
How is the sound....

the soud is very very like, i love it,!
Thank you helping by Andrea !

quanghao 17th May 2010 09:02 AM

The special, my amli is not hum, not noise!

quanghao 18th May 2010 01:38 AM

1 Attachment(s)
and filament for my amli

quanghao 18th May 2010 06:40 AM

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This is cricuit i use for filamentm design by Rod Coleman.

I spend 2 moths for some tube
I use for tube:
1. Tube 26 1.5V, 1.05 A
2. Tube 45 2.5 V 1.5A
3. Tube 6C4C 6.3V 1.05A.
4. Tube 300B 5V

the special it is no have noise and hum, i put may hand phone on the head tube 26, i can head some noise to speak!

I say it is wonderful, thank many many Rod Coleman!

quanghao 18th May 2010 10:02 AM

1 Attachment(s)
i use HV supply for hi voltage design by Jan Didden:

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