[Mad Max]

  Has anybody here heard of or heard the Burson Audio Supreme Sound Op-amp? The thing is pretty massive, 16x42x21 mm for dual, and fetches $70. What do you guys think? Do you guys prefer IC op-amps over stuff like the Burson Audio SS and the Audio GD op-amps? This stuff still makes almost no sense to me, but I'm giving this stock OPA a good listen before I swap in my OPA2134.

 
I have tried the three Audio-gd opamps and sold them off except for Sun for its uniquely fun sound.  But I very much prefer good ol' high-tech audio-specified opamps.
 
A little tip on the a-gd opamps: those stock MKT polyester caps really need to be replaced.  They barely do justice to the things.  This guy puts Mundorf caps on old Bursons.  This guy sets the example for the a-gd opamps.
This guy probably beats all of us at going too far.  I would instead add regulators before reaching such a point, lol.
 
 
On an unrelated note, anyone tried this one?  Or this one?

 

[zilch0md]

Frankenops!

 

[richard612]

Didn't see any discussion on this topic: I'm driving the Fidelio X1 "barefoot" (no amp) with a DSX.  I have the opposite problem that most people have.  Instead of lacking the voltage swing to drive 600 ohm cans, I'm lacking the current to properly drive these 32 ohm cans.  Don't tell me how "easy" it is to drive a 32 ohm load; from a design perspective the 600 ohm load is MUCH easier to deal with, especially in light of the output impedance around 10 ohms (it's hardly a factor when the load presents 600 ohms; it MATTERS when the load is 32).
 
Some of the opamps getting kicked around on this thread are rated for >50mA continuous.  Might one of these help?  The NJM4556 is the most interesting.

 

[DingoSmuggler]

  Didn't see any discussion on this topic: I'm driving the Fidelio X1 "barefoot" (no amp) with a DSX.  I have the opposite problem that most people have.  Instead of lacking the voltage swing to drive 600 ohm cans, I'm lacking the current to properly drive these 32 ohm cans.  Don't tell me how "easy" it is to drive a 32 ohm load; from a design perspective the 600 ohm load is MUCH easier to deal with, especially in light of the output impedance around 10 ohms (it's hardly a factor when the load presents 600 ohms; it MATTERS when the load is 32).
 
Some of the opamps getting kicked around on this thread are rated for >50mA continuous.  Might one of these help?  The NJM4556 is the most interesting.

Yeah the NJM4556 would've been my first suggestion for performance into low-Z loads.

 

[richard612]

  Yeah the NJM4556 would've been my first suggestion for performance into low-Z loads.

Order a 4556 from Digi-key.  Installed.  Pretty sure it's driving my low-Z cans more cleanly at high levels.  I still recommend an amp (or a card with more cajones at the output), but this is better.

 

[LiekZomg]

//ignore please~~

 

[Mach3]

Need some clarification on the following opamps
 
Difference
OPA827SM
OPA627SM
OPA128SM
 
Is the OPA128 superior to the top two and anyone know where I can purchase them for a reasonable price. Need 4 to on 2 adapter to fill out the headphone buffer on my Asus E1.

 

[Mad Max]

OPA827 frickin' rules!  Very, very high fidelity.
I don't like OPA627, but it has its hefty fan base.

 

[DingoSmuggler]

  Need some clarification on the following opamps
 
Difference
OPA827SM
OPA627SM
OPA128SM
 
Is the OPA128 superior to the top two and anyone know where I can purchase them for a reasonable price. Need 4 to on 2 adapter to fill out the headphone buffer on my Asus E1.

I would steer clear of the OPA128, amazing dc specs, average ac specs (of those they even bother to list on the datasheet). Its designed for instrumentation, not audio.
 
An opamp that has me a bit curious these days for buffer type applications is the MUSES8920, good current output, jfet input, and wide open-loop bandwidth. I have an application that requires some jfet buffers with good current, so might end up getting some of these, or might just build it with discrete components.

 

[Mach3]

  OPA827 frickin' rules!  Very, very high fidelity.
I don't like OPA627, but it has its hefty fan base.

I heard the OPA827 have similar characteristic as the OPA627 no?
 

  I would steer clear of the OPA128, amazing dc specs, average ac specs (of those they even bother to list on the datasheet). Its designed for instrumentation, not audio.
 
An opamp that has me a bit curious these days for buffer type applications is the MUSES8920, good current output, jfet input, and wide open-loop bandwidth. I have an application that requires some jfet buffers with good current, so might end up getting some of these, or might just build it with discrete components.

Very interesting MUSES8920 are very affordable. Much more than the MUSES01 and MUSES02. Will give it a try base on your suggestion. Thanks.

 

[Mad Max]

  I heard the OPA827 have similar characteristic as the OPA627 no?
...

 
No, they have nothing in common.

 

[Mach3]

   
I have tried the three Audio-gd opamps and sold them off except for Sun for its uniquely fun sound.  But I very much prefer good ol' high-tech audio-specified opamps.
 
A little tip on the a-gd opamps: those stock MKT polyester caps really need to be replaced.  They barely do justice to the things.  This guy puts Mundorf caps on old Bursons.  This guy sets the example for the a-gd opamps.
This guy probably beats all of us at going too far.  I would instead add regulators before reaching such a point, lol.
 
 
On an unrelated note, anyone tried this one?  Or this one?

Omg the last two links have awesome specs, but their prices scares me.

 

[SpudHarris]

Anyone have experience of LME49600 buffers?

 

[P701]

Anyone have experience of LME49600 buffers?

 

I'm using those in my headphone amp. What can I say.... does its job and cant hear any coloring of sound what so ever.

 

[SpudHarris]

Cheers.

Tried most others so ordered 4 on dip adapters.....