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Old 1st August 2005, 01:36 AM   #1
Relax is offline Relax  United States
diyAudio Member
Join Date: Jun 2005
Location: Dayton
Default Tiny Headphone Amps!

Alright, I have seen a lot of headphone amps out and about, and I have decided to make my own. I was wondering if anybody can point me in the correct direction. I have a few requests of any designs anyone can give me that are:

Small- both in overall size and amount of parts
Cheap- not necessarily cheap as in bad sounding and poorly made
No PCB- either point to point, or a predrilled board

If anyone has any suggestions it would be quiet nice! I plan on using this to drive my 64 ohm Behringer HPX2000, which are 100mv max. I would like a design that could be used with lower ohm loads also, maybe a selector for 64 or 32 ohm loads? Thanks a bunch for your time and suggestions!
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Old 1st August 2005, 03:35 AM   #2
Relax is offline Relax  United States
diyAudio Member
Join Date: Jun 2005
Location: Dayton
I would also like to mention that I want to build this amp. I can't find the edit post button either! haha
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Old 1st August 2005, 09:43 PM   #3
diyAudio Member
Join Date: Dec 2004
Location: Illinois
64ohms is rather low impedance. 600ohms is a very high impedance. www.head-fi.org has a rather nice DIY section that I would check out, or http://www.headwize.com/projects/ . I'd suggest a cmoy.
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Old 1st August 2005, 10:41 PM   #4
Relax is offline Relax  United States
diyAudio Member
Join Date: Jun 2005
Location: Dayton
I started on the Cmoy at this site:
this guy lays it out very nice and simple. Ordered parts for two via digikey 45 minutes away.
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Old 2nd August 2005, 09:03 AM   #5
tess is offline tess  United Kingdom
diyAudio Member
Join Date: Oct 2004
These are the best places to start.
The Cmoy is nice and simply if this is your first amp.



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