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List of best DIY Headphone Amplifiers
List of best DIY Headphone Amplifiers
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Old 7th February 2018, 01:24 AM   #21
adydula is offline adydula  United States
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Ok that's what I thought....for a reference amp the ideal straight wire with gain, the HP1 seems to be one of the best out there but its not cheap!

The BH stuff is not reference quality by these standards..but they work so well musically and are relatively affordable.

AGDR has come up with a bunch of designs from a better cmoy Altoids tin amp, the OD Booster board, and his ODA and an inverting version of the O2. Great DIY projects.

Good luck on your Crack. let us know how you like it and your build goes.
Alex
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Old 7th February 2018, 02:45 AM   #22
ririeiman is offline ririeiman  Indonesia
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Salas DCG 3
Salas DCG3 preamp (line & headphone)
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Old 7th February 2018, 07:43 PM   #23
peranders is offline peranders  Sweden
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List of best DIY Headphone Amplifiers
I have headphone amps as mentioned but no built ones but if you are looking for spitzenklasse, check out tomchr (user here) and his monster HP-1: Ultra-High End Headphone Amplifier
Impressive performance!
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Old 16th February 2018, 07:28 PM   #24
xrk971 is online now xrk971  United States
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List of best DIY Headphone Amplifiers
Reviews of my SE Class A Pocket amp here:

Headfonics review:
XRK Audio NHB Pocket Amp Review - Headfonics.com

Brooko's review:
XRK Audio NHB Portable Class A | Reviews | Head-Fi.org

Audioprimate's review:
Pocket Class A DIY Headphone Amp by XRK971 – Audio Primate

Sound quality rating is up there among the best amps - and all done with two transistors.

You can build your own here:
xrk971 Pocket Class A Headamp GB

Brooko likes it so much, he bought the free sample I gave him so he could call it truly his own. Here it is paired with his HD-800's:
Click the image to open in full size.

I am not saying you have to buy a pre-made one, build the DIY version for under $45. Just have to listen to it to believe.

A more powerful desktop version (110mA bias current) coming soon:
Click the image to open in full size.
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Last edited by xrk971; 16th February 2018 at 07:31 PM.
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Old 16th February 2018, 08:19 PM   #25
TypodCrow is offline TypodCrow
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Default Images missing

Quote:
Originally Posted by xrk971 View Post

You can build your own here:
xrk971 Pocket Class A Headamp GB

[/IMG]
It seems the freq response and some other images don't show up on the original post anymore. Where can I find them?
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Old 16th February 2018, 09:57 PM   #26
xrk971 is online now xrk971  United States
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List of best DIY Headphone Amplifiers
Quote:
Originally Posted by TypodCrow View Post
It seems the freq response and some other images don't show up on the original post anymore. Where can I find them?
Thatís odd - they work for me and that thread has been around about a year no one else mentioned they canít see it. Are you logged in as a DIYA member when viewing ? Visitors donít always see all images. The images are all on DIYA servers.
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Old 16th February 2018, 10:01 PM   #27
TypodCrow is offline TypodCrow
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Quote:
Originally Posted by xrk971 View Post
Thatís odd - they work for me and that thread has been around about a year no one else mentioned they canít see it. Are you logged in as a DIYA member when viewing ? Visitors donít always see all images. The images are all on DIYA servers.
Here's what I see (when logged in):
Attached Images
File Type: png Screen Shot 2018-02-16 at 3.00.08 PM.png (312.9 KB, 775 views)
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Old 17th February 2018, 01:02 AM   #28
xrk971 is online now xrk971  United States
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List of best DIY Headphone Amplifiers
Oh - sorry about that, looks like broken links. Let me fix it and update with some of the latest measurements I have.
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Old 17th February 2018, 02:07 PM   #29
jamesfeline is offline jamesfeline  United Kingdom
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Hello

For me I would recommend the JLH (john linsley hood) Chiara single ended headphone amplifier ... great sound (attached a pic of the PCB)
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File Type: jpg IMG_0587.jpg (521.5 KB, 735 views)
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Old 18th February 2018, 07:58 PM   #30
Detectit1 is offline Detectit1
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I found this amp kit.

Looks very interesting.... Maybe I will try this one.

Dual Class-A II Line Output and Headphone Amplifier

Last edited by Detectit1; 18th February 2018 at 08:05 PM.
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