Audiodigit T100 HCL-m laptop PS - diyAudio
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Old 21st March 2007, 12:01 PM   #1
diyAudio Member
Join Date: Aug 2006
Default Audiodigit T100 HCL-m laptop PS

Hello all,

I am just about to pull the trigger on the T100 HCL-m from Audiodigit/Autoconstruire. After browsing this forum and the long but intresting thread on this topic (here: AudioDigit's new 100W T-Amps)
I am left with the following newbie question:

Can I use a laptop power adaptor as a PS ? I have several of those laying around, and they are rated at 19.5 V DC 3.34 A. It seems to fit the bill of the recommended supplies. How does it fare with the toroidal trafo from audiodigit and/or batteries ?


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Old 28th March 2007, 11:19 AM   #2
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Join Date: Aug 2006
Well, in the mean time I got my answer. It seems that those laptop power adapters are SMPSes with a single (plus) voltage. While at the beginning I was afraid that it wouldn't work it seems that the module needs only a single rail of voltage, as printed in the specs.

Moreover others have tested those power supplies -- albeit with AMP6 from 41Hz. See here:

More details on the power requirements see here:

Just for the record,

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Old 1st April 2008, 10:03 AM   #3
pkcain is offline pkcain  Sweden
diyAudio Member
Join Date: Feb 2008
Just curious how you are getting along with this amp? I read somewhere else that you weren't happy with it... something about sandpaper?!

I am interested in it and the A166's... so very similar to your setup.

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