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ART Headamp4 + HD-650 / DT-880 / AH-D2000

post #1 of 45
12/31/10 at 4:27pm
Thread Starter 

 

The ART Headamp4

 

it's cheap and it works.

 


Edited by sugarkang - 1/23/11 at 4:00pm
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post #2 of 45
12/31/10 at 5:19pm

I happen to have the HeadAmp4 and also the fiio e5, the only point in favor of the fiio is that it fits in my pocket.

 

I like the headamp4, neutral and i do like the looks, i can assure you i have no mullets. 

 

Its heavy enough not to lift when some heavy plug ( or 4 ) are connected.

 

I also have my speakers connected to it, and 3 headphones in the others, i just low or raise the vol when i need one of them and not the others. pretty cool stuff.

 

cool review Sugarkarng!

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post #3 of 45
12/31/10 at 5:20pm
Thread Starter 

Well there you go.

I have no mullet either. 

This amp won't get any consideration though because it's not expensive or pretty.

Shame really.

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post #4 of 45
12/31/10 at 5:41pm

maybe we should buy dozens and sell them at higher prices (and paint then nicely )

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post #5 of 45
12/31/10 at 6:10pm
Thread Starter 

Well, I was sorta looking through the DIY threads to find a nice enclosure.

All that needs to be done is to swap enclosures, drill new holes, change the dials.

BOOM.  Instant $500 amp. 

 

I mean seriously.   How did that Singlepower guy get so famous, then infamous?


Edited by sugarkang - 12/31/10 at 6:12pm
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post #6 of 45
12/31/10 at 6:37pm

who is that?

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post #7 of 45
12/31/10 at 6:43pm
Thread Starter 

Oh you just joined, I see.

Some Russian fella making custom amps that everybody on here loved.

He would take forever to make an amp, so that just increased everyone's desire for one.

So there became a huge back up in orders with people sending him thousands upon thousands of dollars.

Then he was gone like Keyser Söze.

Small scale Bernie Madoff.

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post #8 of 45
12/31/10 at 6:45pm

how well does this power your HD650's?

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post #9 of 45
12/31/10 at 6:52pm
Thread Starter 

I will let you know on Tues or Weds. 

I was supposed to get them today, but crazy weather I guess.

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post #10 of 45
12/31/10 at 6:53pm

didn't you own then sell or return HD650's already?
 

Quote:
Originally Posted by sugarkang View Post

I will let you know on Tues or Weds. 

I was supposed to get them today, but crazy weather I guess.

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post #11 of 45
12/31/10 at 7:28pm
Thread Starter 


Yes. 

 

The circumstances surrounding that are detailed in this post should you happen to be curious. 

 

Quote:
Originally Posted by jasonb View Post

didn't you own then sell or return HD650's already?
 


 


 


Edited by sugarkang - 12/31/10 at 7:29pm
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post #12 of 45
1/1/11 at 8:08am

let us know how this amp drives them.... i don't think it really will. big difference between driving xb700's and hd650's.

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post #13 of 45
1/1/11 at 2:57pm
Thread Starter 

Pretty sure it will be no problem.

I had the DT-990 250Ω for a day and those were only a little harder to drive than the 32Ω.

The HD-650 will likely be similar to the 250Ω Beyer.

The XB-700 doesn't really need an amp.  These tests were conducted with the Beyer.

 

If the Headamp4 turns out to be insufficient, I know for a fact that the Presonus HP4 will drive them.

I wanted to try this solution first though because the plugs are in the back.


Edited by sugarkang - 1/1/11 at 3:02pm
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post #14 of 45
1/2/11 at 10:18pm

In my experience the HD600 and HD650 are easier to power properly than the beyers' are.
 

Quote:
Originally Posted by sugarkang View Post

Pretty sure it will be no problem.

I had the DT-990 250Ω for a day and those were only a little harder to drive than the 32Ω.

The HD-650 will likely be similar to the 250Ω Beyer.

The XB-700 doesn't really need an amp.  These tests were conducted with the Beyer.

 

If the Headamp4 turns out to be insufficient, I know for a fact that the Presonus HP4 will drive them.

I wanted to try this solution first though because the plugs are in the back.

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post #15 of 45
1/5/11 at 7:35pm
Thread Starter 

My HD-650 arrived today.

Power is a non-issue as the Headamp4 drives them to ear deafening levels.

Drive difficulty is about equal to DT-880 (32 ohm). 

Therefore, the higher ohm Beyers are harder to drive than the HD-650.  

 

Note also that I require much more power than average users because I use mp3gain and I have slight tinnitus. 

PICTURE 3 shows ballpark equal listening levels for all three headphones.  The real volume range is between 5 to 10.

Volume 1 to 5 is pretty useless.  The levels set are for what I consider "too loud" for extended periods of time.

 

Anyone using this amp would probably not set the levels as high as I did, and not for extended sessions. 

 

 

PICTURE 1:  iPod Touch 2G, official dock lineout to Headamp4 input.  Yo La Tengo - I Heard You Looking

 

amp comparison.PNG

 

 

PICTURE 2:  Dock lineout to Headamp4 input.  Blurry picture because it's a still from my Flip Video. 

 

lineout to input.PNG

 

PICTURE 3:  Amp gain settings.  All headphones relatively equal in loudness to each other; all probably too loud for long sessions. 

Channel ONE:  Sennheiser HD-650 (300Ω) @ 7 

Channel TWO:  no headphones attached.

Channel THREE:  Beyerdynamic DT-880 (32Ω) @ 7

Channel FOUR:  Sony XB-700 @ under 6 

 

amp gains.PNG


Edited by sugarkang - 1/5/11 at 7:42pm
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