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-   -   EC900 for Headphone amplifiers (https://www.diyaudio.com/forums/headphone-systems/155968-ec900-headphone-amplifiers.html)

VibroKing$ 1st December 2009 10:11 AM

EC900 for Headphone amplifiers
 
Hi to all :D

I would like to build an amplifier with small tubes as EC900 or similar
in website I have found this Adam's Amplifiers: Subminiature
very interesting, but I prefer the classic tubes with base. :rolleyes:
Is EC900 a good choice ?

Thanks.

VibroKing$ 2nd December 2009 01:04 PM

1 Attachment(s)
My idea is to supply all with 12V lead battery with a self oscillating stage for H.T.
Because I do not trust myself of mains supply especially with in-ear headphone :hphones:

I have found in my old-stuff these tubes : EC900 ,6AF4A,
Can I use them ? or is better a classic ECC82/3/8 ? :dead:

Gordy 2nd December 2009 03:35 PM

Hi,

Some reading for you…

Some interesting headphone amps using small tubes on this page:
Pete Millett's DIY Audio pages

Some general tube headphone projects here:
HeadWize Library - Projects
HeadWize Library - Projects


Mini tube project here:
6088 subminiature tube Hybrid: The BIC revisited • DIY Audio Projects Forum

and here:
Hermanns Mini-Amp


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