Ok here's a very stupid question, when on Leckerton how the heck do you choose extra op amps for the MKII? I'm looking at the Leckerton site and can't make heads nor tails on the options available. Should one pick the option of local bypass capacitor pads between pins 4 and 8 or the option of local bypass capacitor pads between pins 4 and 7. Does it even matter? Since I'm posting this and confusing everyone should the No bypass section be selected or should the other selections be selected?

I don't understand what you area talking about? If you want to have extra Op Amp you have to contact Nick and arrange for it and pay him via paypal.
 

If you go HERE and scroll down to the bottom you'll see what I'm talking about. I like your idea better though email to Nick it shall be

lol now I know what you mean. Looks to be making things much harder than they have to be . I say better to contact him still and inquire about the Op-Amps you are interested in. I figured 8610, 627AP and 209 were the best choices.
 

http://www.leckertonaudio.com/products/uha-6s-mkii/
 
Please see under: [size=11.666666030883789px]Output Op-amps:[/size]
 
[size=11.666666030883789px]Or:[/size]
 
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If you have a custom op-amp request, please ​

[/size][size=11.666666030883789px]

contact us​

[/size][size=11.666666030883789px]

 for availability.​

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facsman said:

Right on the Smeggy; Westy is an IEM - Westone W4R with Chris_Himself Recable Mod.
 
I do have a laptop but dnk how to bypass it's internal DAC... 

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 How much diference did you notice from the stock cables for the Chris_Himself cable?
 
They are not too expensive, but I'm a bit skeptical about the benefits of exchanging cables. (I do have the W4R, but I purchased it with the "broken cable, change cable, don't loose earphone" mindset).

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digitalfreak said:

Ok here's a very stupid question, when on Leckerton how the heck do you choose extra op amps for the MKII? I'm looking at the Leckerton site and can't make heads nor tails on the options available. Should one pick the option of local bypass capacitor pads between pins 4 and 8 or the option of local bypass capacitor pads between pins 4 and 7. Does it even matter? Since I'm posting this and confusing everyone should the No bypass section be selected or should the other selections be selected?

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Yeah, email Nick. He stocks some op-amps that aren't compatible with the UHA-6 and UHA-4, so it's better to arrange a purchase through him rather than go random on the website.

Hey ardgedee, is there such a thing as a small plastic carry case designed to store different op-amps with? I'm going to be in dire need of a good storage solution that will keep op amps from getting mixed up and lost or damaged?

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digitalfreak said:

Hey ardgedee, is there such a thing as a small plastic carry case designed to store different op-amps with? I'm going to be in dire need of a good storage solution that will keep op amps from getting mixed up and lost or damaged?

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The chips I got from Nick were in small cardboard boxes, mounted on antistatic foam. Keep those in a safe place, with whatever you use for storing other small electronic accessories like plug adaptors, spare cables, and extra eartips. Don't let them bang around since you can bend the legs or crush the chips.

What are the differences between 209 and the 8610? I might want to try the 8610.

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ardgedee said:

 
The chips I got from Nick were in small cardboard boxes, mounted on antistatic foam. Keep those in a safe place, with whatever you use for storing other small electronic accessories like plug adaptors, spare cables, and extra eartips. Don't let them bang around since you can bend the legs or crush the chips.

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I usually keep my spare plugs adapters eartips etc stored away in a shoe box under my bed

That should be good. The cardboard boxes that the chips are shipped in are meant for storage. Use 'em to store whichever op-amps you're not using.

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zachchen1996 said:

What are the differences between 209 and the 8610? I might want to try the 8610.

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209 is a transparency monster. Depending on my mood and tracks it can be a very good OP-Amp but for general listening it just goes over the top and I get fatigued so not my go to Op-Amp. Generally speaking it is neutral but the transparency it brings is it's very own form of color IMO. It's not natural to my ears at least but does make for an interesting sound.
 
8610 is for the most part neutral. It has a hint of warmth which adds musicality to the sound. The presentation is focused more on depth opposed to a wide sound stage. There is decent width to the sound stage but depth is this Op-Amps main focus. Now regarding the extreme transparency Op-Amp 209 adds to its sound (particularly to the treble IMO), Op-Amp 8610 adds this type of emphasis more so on its mid-range. It's not as extreme or over the top but makes the mid-range very noticeable. It adds clarity emphasis on the mids which really helps to flesh them out. This is why this Op-Amp is my favorite as I believe the music is in the mids.

lee730 said:

209 is a transparency monster. Depending on my mood and tracks it can be a very good OP-Amp but for general listening it just goes over the top and I get fatigued so not my go to Op-Amp. Generally speaking it is neutral but the transparency it brings is it's very own form of color IMO. It's not natural to my ears at least but does make for an interesting sound.

8610 is for the most part neutral. It has a hint of warmth which adds musicality to the sound. The presentation is focused more on depth opposed to a wide sound stage. There is decent width to the sound stage but depth is this Op-Amps main focus. Now regarding the extreme transparency Op-Amp 209 adds to its sound (particularly to the treble IMO), Op-Amp 8610 adds this type of emphasis more so on its mid-range. It's not as extreme or over the top but makes the mid-range very noticeable. It adds clarity emphasis on the mids which really helps to flesh them out. This is why this Op-Amp is my favorite as I believe the music is in the mids.

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I have to agree with you on music being in the mids, but does the 8610, being less detailed that the 209 come out to be a bit muffled or muddy in comparison to the 209?

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zachchen1996 said:

I have to agree with you on music being in the mids, but does the 8610, being less detailed that the 209 come out to be a bit muffled or muddy in comparison to the 209?

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I don't see it as being less detailed. The presentation is different. Overall it's a neutral Op-Amp. 627AP would be less detailed due to the treble appearing to be somewhat rolled off. But what that Op-Amp makes up for is detail in its mids and bass. So 627AP would be the most musical of them all while 8610 has qualities of both sounds IMO without going overboard on either.