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[Official] OCN Headphones and Earphones Club - Page 1217

post #12161 of 38361
Quote:
Originally Posted by jellybeans69 View Post

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Some of stuff i got of hold to test today. As well as Fiio E10. Must say i'm quite disapointed with Objective redface.gif , mids-highs sound okish, while it definately lacks almost any bass. Opposing to Fiio E10 and his self-built one (second pic). Aprox costs to build amp in second was around 350$, though it was hard to get ahold of some parts as some are no longer made. Needless to say it did sound best of these 3. Also must say analog amp to what he built costs around ~800$
(Design and schemes were taken from this one http://headwize.com/?page_id=79 aka Dynalo with some adjustments)
Also got to test his Superflux as well as HD650 (cans that are near amp in second pic). HD650 are like so light comparing to DT 770 tongue.gif , awesome mids and great highs, but lacking in some bass,forgivable as they're not closed cans.

was the amp warmer sounding than the Objective?
    
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post #12162 of 38361
If i had to describe objective in one word it would be plain. Definately something lacking. Warmer than objective? My yes definately,as it depends on what you mean by it. Also objective seems to be quite limited in it's use and plainess.
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post #12163 of 38361
Quote:
Originally Posted by jellybeans69 View Post

If i had to describe objective in one word it would be plain.

That's kind of the entire point of the objective isn't it? tongue.gif
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post #12164 of 38361
the Objective is supposed to be a very neutral amplifier. reason I ask is maybe your ears gravitate towards a warmer sound signature. I think Kevin Gilmore designed the Dynalo. this is what he is making these days.. http://www.headamp.com/order/index.htm
    
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post #12165 of 38361
Other word would be boring, but yeah not exactly what i expected. tongue.gif

Well he did take design from Kevin, also got a cheap but good dynalo pcb for 15$, power supply was choosen this one: http://www.amb.org/audio/sigma22/ , and sound control for 60$ http://www.twistedpearaudio.com/control/jt.aspx due to dead relays, he got new ones for aprox. 60$ more , the ticking sound is lolzy when changing volume, it's only one plate. Most of other stuff he bought was from previously linked AMB



This is aprox. analog of his built one, they seem to go pretty fast though.
http://www.headamp.com/home_amps/gs1/index.htm
Edited by jellybeans69 - 11/17/12 at 6:59am
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post #12166 of 38361
the GS-1 is a Pure Class A like my Burson. also has a optional stepped attenuator like it too biggrin.gif
    
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post #12167 of 38361
is that a piece of leather used for the front plate of the O2?
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post #12168 of 38361
The O2 is built to be an amp whose only purpose is to drive high quality cans on a budget but solid amp. It is not suppose to add any creativity or warmth, but simply and neutrally output sound and drive cans. To that note, I think it is probably doing its job, just unfortunately not a sound your ears like. To me, I prefer my amps neutral having listen to a few other amps and tubes before and simply use "colored" headphones, but I completely understand how this is not for everyone.
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post #12169 of 38361
Yeah looks like so, didn't take objective for more testing as already said it sounded way too "boring" and "plain" to me. Still in general better amp than all those with single opamp

308045_454111021308371_1419209572_n.jpg

Here's insides of it.
Edited by jellybeans69 - 11/17/12 at 7:15am
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post #12170 of 38361
What's the the mixed battery fail?
    
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