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The Opamp thread - Page 9

post #121 of 4406
7/15/09 at 5:25am
Quote:
Originally Posted by SpudHarris View Post
You will probably get them here. Audioupgardes distribute the Cimarron Stuff so buying direct could possibly be cheaper.
Yeah, that seems quite a bit cheaper, even when you consider shipping. Thanks for the info!
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post #122 of 4406
7/15/09 at 6:07am
All I realized in the meanwhile is the lower the number, the less natural the sound LT1364, then LT1361, then LT1358. I'll save myself for wasting money again. The LT1028ACN8 pair is suberb but this op-amp is not fully compensated for G=1 so that's why. I like it the most in my DAC after some auditions of the Gamut CD-3 and realizing what is to obtain using the GS1000's. I should fly with them on my head. The LT1028ACN8 make it happen, the AD797BRZ and the LME49860 do it in a lesser degree. Others don't do it at all. OPA228P will be for sale probably.
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post #123 of 4406
7/15/09 at 7:29am
Quote:
Originally Posted by caesare View Post
It has all - tonal naturalness (less of the blueness), body, great bass dynamics, smoothness of treble.
Exactly how I perceive it, but since I haven't tried out that many other opamps yet, I'll do some more research. Besides, it's fun trying out new samples
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post #124 of 4406
7/15/09 at 8:21am
Well I will order an LT1355 this afternoon.

You mentioned the LME49710, I dropped 2 into my L/R of my P3+ last night (on class A adapter sockets) and have to say my memory of them was not what I thought. They sound absolutely brilliant, I've kept them in so I can get used to the difference and to see if they become fatiguing at all over long sessions. Any views on these?
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post #125 of 4406
7/15/09 at 8:40am
Thanks Caesare.

I've ordered the 1355 and it should be here tomorrow. I'll post my impressions once I've had a chance to listen.
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post #126 of 4406
7/15/09 at 8:46am
Quote:
Originally Posted by SpudHarris View Post
Well I will order an LT1355 this afternoon.

You mentioned the LME49710, I dropped 2 into my L/R of my P3+ last night (on class A adapter sockets) and have to say my memory of them was not what I thought. They sound absolutely brilliant, I've kept them in so I can get used to the difference and to see if they become fatiguing at all over long sessions. Any views on these?
I have them in my Move right now and listening to em as we speak.
They are brilliant, oh so clear sounding, that good seperation, great detail, ultra fast and all that. But the bass is a bit lacking, and that's just the part of the music that makes it lively to me. It's a bit analytical.

Anyway, I've got some AD744's and some AD797's coming to me and I'll check them all out
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post #127 of 4406
7/15/09 at 9:00am
That's what a lot of people say about them. They sound really good in the P3+ but take a little getting used to as they seem to hilite certain dynamics in a different way to most other chips. I couldn't honestly call them natural, not to my ear at least but they are fine. I think you will really like the AD797's, to me they are one of the finest OpAmps around. Now where did I put that flame proof jacket??
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post #128 of 4406
7/15/09 at 9:10am
Oh no they certainly aren't neutral. They are kinda euphoric on the upper mids to high freqs but leave the low freqs completely out of the picture.
They do sound orgasmic with the D2000.. just Wow. The D2000's big bass completely nullifies the shy bass of the LME49710 resulting in a very extending, powerful bass
Too bad I mostly use the Move with the SE530s
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post #129 of 4406
7/15/09 at 9:13am
the bass is hollow as hell on these national chips(tame on the NA, loud on the HA..but still hollow)...anyway, there's no perfect chip I'm afraid.

I want the OPA2111 bass/trebles and the LM4562NA mids/soundstage

ok I've also ordered LT1355 samples, these 5 different LT refs should keep me busy for a little while

apparently AD won't give samples away, anyone knows what other TI parts I could ask for?
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post #130 of 4406
7/15/09 at 9:49am
I suggest trying the OPA2211AIDDA with an adapter.
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post #131 of 4406
7/15/09 at 11:39am
alright, I might just check this one out after all

I already have these OPA211ID you advised me...it's the single version of the 2211A apparently.

is there any easy way to stick them on adapters? I got a very thin soldering iron and good eyes...I just lack the technique, but I've seen some very inventive ways to "adapt" them

but you didn't try the 2111, maybe they're not that different? I've got several discs from Dead Can Dance(Aion/Serpent's Egg) that always souded lousy on the 4562/49720 and they sound really great on the 2111

do you guys agree that these National chips increase the mids as hell? it's very obvious on "walk on the wild side", the right guitar in the intro sounds phasey as hell!
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post #132 of 4406
7/15/09 at 4:03pm
Thread Starter 
Quote:
Originally Posted by SpudHarris View Post
Well I will order an LT1355 this afternoon.

You mentioned the LME49710, I dropped 2 into my L/R of my P3+ last night (on class A adapter sockets) and have to say my memory of them was not what I thought. They sound absolutely brilliant, I've kept them in so I can get used to the difference and to see if they become fatiguing at all over long sessions. Any views on these?
I started testing these out awhile back and I really like this model.
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post #133 of 4406
7/15/09 at 4:10pm
Thread Starter 
Quote:
Originally Posted by leeperry View Post
alright, I might just check this one out after all

I already have these OPA211ID you advised me...it's the single version of the 2211A apparently.

is there any easy way to stick them on adapters? I got a very thin soldering iron and good eyes...I just lack the technique, but I've seen some very inventive ways to "adapt" them

but you didn't try the 2111, maybe they're not that different? I've got several discs from Dead Can Dance(Aion/Serpent's Egg) that always souded lousy on the 4562/49720 and they sound really great on the 2111

do you guys agree that these National chips increase the mids as hell? it's very obvious on "walk on the wild side", the right guitar in the intro sounds phasey as hell!
The 211's are a brand new design and the 2111's are quite dated.
That is not to say they are bad because of age, just these chips are very different. Compare the specs sheets.

To use the 211's your going to need an adapter board and a good knowledge of soldering.
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post #134 of 4406
7/15/09 at 4:20pm
I have the OPA211's already mounted ready to test, do they require high gain to be stable? I only ask because my P3+ won't work properly with OPA637's because of the gain requirement. Anyhow I will drop them in for a listen this evening.
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post #135 of 4406
7/15/09 at 5:44pm
This adapter allows two SOIC singles in one DIP socket:

Single-to-dual Op-Amp Adapter (p/n 020302)

AFAIK, the OPA211/2211A are unity gain stable.
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