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HT Omega "Claro Halo" Headphone Only soundcard - Page 10

post #136 of 359
8/6/09 at 8:18am
It can be boring, 2D, and bass anemic, but it has a lot of pure analytical detail and it really shines on the claro halo I think because of the way it uses 4 opamps to reduce crosstalk. I don't really recommend the lm4562, the best of that family of opamps is the lm49860 but I think I read majkel say it needs around 15v to sound at its best which is probably quite above the claro halo voltage but if you are interested you should ask ht omega's customer service what voltage it runs at. One opamp that seems pretty well-liked is opa2107 and it may be a very good candidate for trying out in the claro halo. But you'd have to ask majkel or robscix (or that guy who keeps getting banned and making new usernames to talk with majkel) about possible candidates.

http://www.head-fi.org/forums/f6/opamp-thread-432749/
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post #137 of 359
8/6/09 at 9:51pm
What do you people think about this combo?:

HT | OMEGA Claro Halo XT 24-bit 192KHz PCI Interface Sound Card w/ a built-in HI-FI Headphone Amplifier


Newegg.com - HT | OMEGA Claro Halo XT 24-bit 192KHz PCI Interface Sound Card w/ a built-in HI-FI Headphone Amplifier - Sound Cards


+

AKG K 701 WHITE HEADPHONES


My current setup is: Onboard card (ALC888 :P) and JBL REFERENCE 410 BLACK, im from Argentina, so its a lot of money for an upgrade, i need to be 100% sure. By the way, sorry for my bad english!
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post #138 of 359
8/6/09 at 10:15pm
.
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post #139 of 359
8/6/09 at 10:17pm
I have never heard the AKG K701, but since it is a headphone that received similar negative comments as my headphones (both are neutral studio headphones), I'd say there's a good chance you will like the combo because I like my pro 900 very much with the claro halo with 4x lm4562's. Claro halo can be quite uncolored which I think is a great combo with studio headphones. I'd also recommend getting free samples of lm49860 from texas instruments hehe I suspect the stock jrc4580's will be too colored to make the akg k701's happy.
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post #140 of 359
8/6/09 at 11:49pm
Quote:
Originally Posted by haloxt View Post
I have never heard the AKG K701, but since it is a headphone that received similar negative comments as my headphones (both are neutral studio headphones), I'd say there's a good chance you will like the combo because I like my pro 900 very much with the claro halo with 4x lm4562's. Claro halo can be quite uncolored which I think is a great combo with studio headphones. I'd also recommend getting free samples of lm49860 from texas instruments hehe I suspect the stock jrc4580's will be too colored to make the akg k701's happy.
jrc4580 + K701 = Bad idea? What do you mean when you say "..be too colored to make the akg k701 happy" ¿?

Im from Argentina, i think that "free samples" will not work here :P
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post #141 of 359
8/7/09 at 8:10am
They should work there because TI sends it worldwide with free shipping if you don't use a yahoo email account. Because I don't think headphones whose strong point is their neutrality can shine with certain types of coloration.
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post #142 of 359
8/7/09 at 12:47pm
HT Omega tells me:

If you should consider to exchange opamp, we recommend OPA2132P(TI).
This is a dual type & DIP opamp. And you can use this opamps directly to Claro halo after pulling 4580 opamps out. This opamp provides richer sound.

However 4580 opamp provides good resolution. I suggest full using 4580 opamp first.

The claro halo admin 4 opamps, i should change the four or mixing 2 x 4580 and 2 x opa2132p will bring me the "best of 2 worlds" ? (richer sound AND good resoution?)
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post #143 of 359
8/7/09 at 1:00pm
It's all subjective hehe, a few people have tried mixing and matching but it is a loooong process and nobody knows how it will sound until they hear it. I think ht omega wants you to use 4x opa2132p. I will get some opa2132, thanks for the info .
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post #144 of 359
8/7/09 at 1:03pm
OPA2132's
OPA2134's
OPA2227's
OPA2107's

All those would make a good match. The 2227 would have the most bass out of those listed.
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post #145 of 359
8/7/09 at 4:44pm
Quote:
Originally Posted by haloxt View Post
It can be boring, 2D, and bass anemic, but it has a lot of pure analytical detail and it really shines on the claro halo I think because of the way it uses 4 opamps to reduce crosstalk. I don't really recommend the lm4562, the best of that family of opamps is the lm49860 but I think I read majkel say it needs around 15v to sound at its best which is probably quite above the claro halo voltage but if you are interested you should ask ht omega's customer service what voltage it runs at.
News:

I sent a email to HT Omega:


Q: LME49860 - 44V Dual High Performance, High Fidelity Audio Operational Amplifier <<< Will this OPAMPS work with the halo claro? I Heard that it needs around 15v to sound at its best, which is probably quite above the claro halo voltage. What is the maximium voltage that the card support?

A: As you checked power supply, it supports +/2.5V to +/22V



Claro halo use 12V for power supply voltage to opamp.
Therefore, you can use that opamp without power supply problem.

If you need more information, please let me know.

Thanks.
Sincerely,
HT OMEGA – Tech Support
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post #146 of 359
8/7/09 at 5:13pm
Nice, it will work then 12 is close to 15 so who cares. Btw I did some research and decided to get some samples for opa228p (from reading majkel on the opamp thread) and opa2132. Will let you know how it compares to lm4562.

This is really weird, I go away from trying to improve my claro halo for several months and now I'm back it won't sound as good as my main system but I am bitten by the opamp rolling bug.
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post #147 of 359
8/7/09 at 5:23pm
Quote:
Originally Posted by LuciferX View Post
HT Omega tells me:

If you should consider to exchange opamp, we recommend OPA2132P(TI).
ok cool! I've ordered these, I should get them early next week
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post #148 of 359
8/7/09 at 8:36pm
Quote:
Originally Posted by haloxt View Post
Nice, it will work then 12 is close to 15 so who cares. Btw I did some research and decided to get some samples for opa228p (from reading majkel on the opamp thread) and opa2132. Will let you know how it compares to lm4562.

This is really weird, I go away from trying to improve my claro halo for several months and now I'm back it won't sound as good as my main system but I am bitten by the opamp rolling bug.
That LME49860 will work and is not a bad opamp. The OPA2132 is very similar to the OPA2134 that seems to be found in a great many audio devices.
Most consider the LME4986 to be very similar to the LM4562...in regards to it's sonic profile.
Post your results...
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post #149 of 359
8/8/09 at 1:22am
Diferences in bass/mediums/highs , quality, "type of sound" etc of this?:

OPA2132

LME49860

LM4562

Im already orderer 5 of each one :P
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post #150 of 359
8/8/09 at 12:15pm
Hi everyoone,
Im buy Claro Halo XT sound card and I will be happy if someone can help me with good recomendation.
I will use 6xRCA outputs to amplifiers(2x on main board and 4xon daughter board-XT board)
2xRCA on main board to tweeter amplifier Hi pass xxxxHz(I don't know yet)
2xRCA on XT board to MID amplifier - Low pass xxxxHz(I don't know yet) Hi pass 63Hz
2xRCA on XT board to SUB amplifier - Low pass 63Hz

Can someone recommend few OPAMP's which I can try? Or which is best for use on TW, MID and SUB... I know that this is hard to tell because this is subjective thing but from somewhere I must start
Thanks.

Regards, _Dejan_
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