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The Opamp thread - Page 327

post #4891 of 4900

not even muses 02? Im planning to buy them but I wanted to know if anyone in here got them and if so, how do they perform?

post #4892 of 4900

hi guys I'm a bit confused about speaker position feature in the sound blaster zxr, could it be possible somebody more experienced in this matter could guide me on this, my speakers are not in ideal positioning due space issues in my room and I want to use this feature to maximize my sound performance, but not sure about "ideal listening position" this manual stated, how should I do this measures?


Edited by wiz2596 - 5/24/15 at 7:08pm
post #4893 of 4900

I have been wondering if it would be worth changing the opamp in the cMoyBB I just built a few weeks ago. I have tried doing some searches and have no idea which ones would be good to try. Preferably ones that would not require a mod to fit but I guess I would consider it. Really like soundstage and prefer neutral sound I think. Some bass, but detailed and not silly.

post #4894 of 4900
Its always worth a roll! Been a while since I built a cmoy. But lm4562 or lm47920 is always a good choice for clarity and neutrality, maybe tending a little lean. AD8620 had a fuller, warmer sound.
post #4895 of 4900
Quote:
Originally Posted by LingLing1337 View Post

Its always worth a roll! Been a while since I built a cmoy. But lm4562 or lm47920 is always a good choice for clarity and neutrality, maybe tending a little lean. AD8620 had a fuller, warmer sound.

In a cmoy the AD8620 takes some beating as it is really nicely balanced 'fairly' reasonable to buy and not too current hungry. I personally love AD744 chips but they are not readily available anymore and man they drink the juice.... I have these in my P4 and Fi-quest amps.
post #4896 of 4900

Thanks guys! Does it matter if they are the ARZ or BRZ because the only difference I see is B is double the price. $15.35 is a decent price for one of these?

post #4897 of 4900
You won't hear twice the difference but I'm a bit anal about stuff like that so always bought the BRZ's where possible. The marginal differences will be on the spec sheets...
post #4898 of 4900
Quote:
Originally Posted by yeahx View Post
 

Thanks guys! Does it matter if they are the ARZ or BRZ because the only difference I see is B is double the price. $15.35 is a decent price for one of these?

B-spec opamps are either higher binned, or specifically trimmed for better DC specs. AC performance is what matters for audio.

For typical audio applications, I can't see a valid reason to pay the extra, go with A-spec.

post #4899 of 4900
Quote:
Originally Posted by DingoSmuggler View Post
 

B-spec opamps are either higher binned, or specifically trimmed for better DC specs. AC performance is what matters for audio.

For typical audio applications, I can't see a valid reason to pay the extra, go with A-spec.

 

That is good to know because that's what I would probably be ordering out of the 2. I might see if any others seem good but thats probably the one from the sound of it. The OPA2277P chip included in the kit sounds pretty good, just wanted an upgrade option.

post #4900 of 4900
Quote:
Originally Posted by yeahx View Post
 

Does it matter if they are the ARZ or BRZ because the only difference I see is B is double the price.

 

Higher grade chips usually behave better when rolled blindly, at least that's the opinion of a few crazy rollers and I would agree.

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