SN2 plus 250 - does that make sense?

Posted by: wirbeltier on 22 November 2015

Folks

 

I have some EgglestonWorks Fontaine Signatures with my SN2 and I feel they could need a bit more grunt to be driven properly (they are 88db efficient, so not that bad).

 

Anyone tried beefing up the SN2 with considerable success?

 

Thanks, and sorry if that topic has been dealt with in detail somewhere else.

 

Posted on: 22 November 2015 by analogmusic

the 250 DR is a more powerful amp. maybe worth a trial.

 

alternatively change of speakers to the usual suspect, Neat, Kudos, Ovators, focal, PMC and Dynaudio... the last one (dynaudio) worked out well for me, but then thats the only one that was available locally at a good price.

Posted on: 22 November 2015 by MangoMonkey

do a 272/250 instead. :-)

Posted on: 22 November 2015 by dayjay

I've seen an excellent review of the SN2 fronting a 250DR and it will be my upgrade path on route to a 282 I suspect.  My dealer also suggested it may be a nice way to move to separates at some point

Posted on: 22 November 2015 by analogmusic

dayjay, where is that review I would like to read it

Posted on: 22 November 2015 by MangoMonkey

I wouldn't do the sn2+250 - the sn2 preamp isn't that good. 

what's your source?

Posted on: 22 November 2015 by dayjay
Originally Posted by analogmusic:

dayjay, where is that review I would like to read it

I can't remember where I saw it to be honest but it was over the last three or four weeks.

Posted on: 22 November 2015 by analogmusic
Mango you changed your mind?
 
at one point didn't you think the SN2 was 90 % of a 282/250?
 
 
Originally Posted by MangoMonkey:

I wouldn't do the sn2+250 - the sn2 preamp isn't that good. 

what's your source?

 

Posted on: 22 November 2015 by MangoMonkey

One statement doesn't contradict the other. :-)

 

And - the op will have to get  a hicapdr too. :-)

 

272.250 is the way to go. :-)

Posted on: 22 November 2015 by b_lund

I would keep the current amp

changing the speakers

max out the source

Posted on: 22 November 2015 by analogmusic

Mango you are lucky enough to heard many Naim kit, can you please explain more

 

why is Sn2 not good enough for 250DR, but 282/250 is, yet SN2 is 90 % of 282/250 and 272/250 is good.

Posted on: 23 November 2015 by b_lund
Originally Posted by analogmusic:

Mango you are lucky enough to heard many Naim kit, .....

SN2 is 90 % of 282/250 and 272/250 is good.

 

OMG

What a level of seriousity

Posted on: 23 November 2015 by Andrew Everard
Originally Posted by analogmusic:

dayjay, where is that review I would like to read it

Try here

Posted on: 23 November 2015 by analogmusic
No, just asking some "innocent" questions from the Mango...
 
Originally Posted by b_lund:
Originally Posted by analogmusic:

Mango you are lucky enough to heard many Naim kit, .....

SN2 is 90 % of 282/250 and 272/250 is good.

 

OMG

What a level of seriousity

 

Posted on: 23 November 2015 by analogmusic
Thanks Andrew
 
Yes I have read your review, and quite a fine one it is.
 
Having heard the 250DR, I would say it would be good upgrade on a UQ, Uniti, SU, SN, SN2...
 
It has a dramatically lower noise floor that translates into a stunning level of clarity
 
Originally Posted by Andrew Everard:
Originally Posted by analogmusic:

dayjay, where is that review I would like to read it

Try here

 

Posted on: 23 November 2015 by wirbeltier
Originally Posted by Andrew Everard:
Originally Posted by analogmusic:

dayjay, where is that review I would like to read it

Try here

 

...thanks, Andrew! I guess that answers my question: adding a 250 to a SN2 leads to a worthwhile improvement. At least it sounds like that, more drive and energy sounds good to me

 

 

 

Posted on: 23 November 2015 by Christopher_M

But how could you bear the redundancy of the SN2's power amp? Unless it was just a stop gap position ahead of going to, say, Nac282 and HC...

 

Chris

Posted on: 23 November 2015 by GraemeH

Only 87% 'Sound Quality'...

 

G

Posted on: 23 November 2015 by wirbeltier
Originally Posted by GraemeH:

Only 87% 'Sound Quality'...

 

G

Mr. G, I was more hoping for 89%, but oh well...can't have it all

Posted on: 23 November 2015 by Tabby cat

I would say 83.5 % and I stand by that

Posted on: 23 November 2015 by Andrew Everard
Originally Posted by GraemeH:

Only 87% 'Sound Quality'...

 

G

Given that nothing in HFN seems to get more than 90% – never quite fathomed why, but it seems to be an unwritten rule – and a lot of the amplification reviewed therein is considerably more expensive than the 250, I'd suggest 87% is pretty respectable.

 

However, I'm never quite convinced by these eye-catching scores, be they percentages, globe, stars or whatever – they're a pretty broad-brush indication designed to catch the eye of the 'at a glance' reader, which is why I'd much rather more concentration was on the written review.

 

But then I would say that, wouldn't I?

Posted on: 23 November 2015 by karlosTT

If power/drive is the problem, why not bi-amp ? 

 

SN2 is configured for this.  Although the manual prescribes 200, I can't see why 250 shouldn't be checked out.....

Posted on: 23 November 2015 by wirbeltier

More seriously: I picked the 250 because of the nominally identical output power rating of 2x80 Watts.

 

Are those 2x80 diferent from the 2x80 in the SN2? That was what I was contemplating...

Posted on: 23 November 2015 by Jan-Erik Nordoen

While the power specifications are the same, I would venture that the power ratings are average values.  The power supply of the SN2 does have to handle the preamp and the amp sections, while the 250 gets the full attention of the power supply. When the music calls for instantaneous current (attacks of notes) I would therefore expect the 250 to better deliver them than the SN2. But I'm no amplifier designer, simply a pixel-stained hack, so I'll defer to the experts.

 

Having compared the SN2 to the 250 (olive and DR versions) on numerous occasions to drive my home-built 8" two-ways, the 250 (either version) definitely has the edge in driving the beasts. The SN2 is great for low to mid level listening with my speakers, but lacks ease when driven hard. On an easier load, in a smaller room, the SN2 is more than enough amp.

 

I found (unlike MM) that the SN2's preamp section was on par with that of the 272. So, yes, it (the SN2) can easily take the 250 without unbalancing the presentation, and should show you more of what the Egglestons are capable of achieving. (Superb speakers BTW)

 

Jan

Posted on: 23 November 2015 by caftan

From my experience, N272 + 250DR is way better than my previous NDX + SN2 setup. Yes...even with that flimsy XLR 4pin din interconnect vs Hiline which I had previously.

Posted on: 23 November 2015 by Jan-Erik Nordoen

That *flimsy* DIN to XLR is surprisingly good. I prefer it to the SuperLumina DIN to XLR (but I'll keep comparing). The HiLine, on the other hand, pales in comparison to what the SuperLumina does between a source and a preamp. Its contribution is as musically relevant as adding a HiCap to a preamp, or upgrading a CD player (or DAC), thereby justifying its price... OK, flame away !

 

Jan