Which AMP to Try Today?

Down to only 12 amps !!!

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What is the red one?

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Great Question.

Its a AGDR designed O2 ODA amp.

ODA Desktop DIY AGDR Headphone Amp

Only about 5 or 6 ever built…its a powerful amp, very clean and I would stack it up against most any SS amp up to $1K or even higher…

AGDR is a wizard that unfortunately has dropped of the radar screen…this amp can be found in a long detailed thread at : Diyaudio ODA Headphone Amplifier

I never had the front cover engraved, should do that some day!!

Alex

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The no-whistles black box on the bottom left looks interesting.

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Thats a DIY amp that a fellow at diyaudio presented a discrete Class A design called the Terminator or T2 at first and was changed to “Noir”. The PCB and case is sold at the diyaudio store:

DIYAUDIO STORE NOIR LINK

It puts out 2 watts of Class A Power. Its a very easy first time headphone amplifier and has a build thread here:

Discussion Thread

And a Build Guide:
Build Guide

Its a really great little amp that sounds nice…lots of power.

Alex

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That looks like an interesting build, I may actually give it a try.

Is the preamp out fixed or controlled by the volume? Any way of making it a permanent out (always active)?

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Plug straight into the PC motherboard.

Go back to where we all started off with PC based audio.

Here is your answer…

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Buy yourself a Headamp GSX-mini. You’ll like it.

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