2. amps-preamps
  3. 185823-1604

SimAudio Moon North Collection

Anyone thinking about buying an amp from the North Collection?

I heard the 860A v1 and enjoyed it. With the new lineup there will be a some 860A v2’s coming up for sale. I am considering the older models and the North Collection. The 860A v1 was surprising good even with the sort of hot Paradigm Persona I demoed it with.

I was thinking at one time of buying 2 Benchmark AHB2 monos to drive the not so difficult to drive and slightly warm Yamaha NS5000’s. A neutral amp like the AHB2 would be great (I owned the AHB2 before) however, I think the 12-inch woofers will unfortunately not be best served by AHB2.

I am using my CODA #16 with the NS5000 right now and I can see where lots of power makes those woofers shine. So I am looking for another amp that is a bit more neutral to use with the NS5000. I can then move the CODA #16 to my Magnepan LRS+. I put these together temporarily in my office to keep the amp safe from my guests (kids). Unfortunately, I love this combo too much now to break it apart.

I am looking for some powerful and neutral sounding amps for the NS5000. I read up on the Classe Delta but that fan is a bit of a deterrent. I am testing out a Class D Peachtree GAN400 with it but it does not have that great bass like the CODA #16. Class D so far has not impressed me on the bottom end as Class A and AB amps I have owned.

So as of now, the SimAudio gear seems like to the top of the heap, and the price is already a bit over what I want to spend. I will just have to work a little longer.

Any other amps with a neutral signature that I should consider?

My preamps are Benchmark LA4 and Holo Serene. The LA4 will stay with the NS5000 system. Both do not seem to add to the signal. 

yyzsantabarbara
audphile1's avatar
audphile1
4,822 posts
 
yyzsantabarbara Did you get a chance to compare CODA to the new Moon North?
yyzsantabarbara OP
4,752 posts
 

@audphile1 Four weeks ago I drive from LAX airport to a HiFi store that had my speakers and the Moon North. Unfortunately, that arduous drive was not successful because the dealer closed early for some unstated reason.

This Thursday I make the reverse commute to LAX. I am trying to figure out how I can leave early to hit the store. The timing may not work out.

BTW - my early issues with my Livingroom system which uses the CODA have been resolved exactly as I wanted after I switched the Schitt Yggi+ LIM DAC for the Yggi+ OG DAC. I really have no issues with both my systems today. My desire to go and listen to the Moon is just for curiosity. I bought some speakers from this dealer so I do not think they would mind.

audphile1's avatar
audphile1
4,822 posts
 

Cool. Good to hear you found synergy. Good schiit. 
Hope to hear your thoughts on Moon North!

dpac996's avatar
dpac996
690 posts
 

What a timely thread! I’ve been a fan of the Simaudio Moon amps for a while traversing from the 330a, 760a, and 860a-v2; I’ve been demoing at home the 641 and 681 components and have been extremely pleased with the design direction they have taken, and results achieved, with the new North series. The 641 stereo integrated amplifier is a marvelous amp. I can’t praise it enough. I have had a coda csib, which is another stellar overachiever. IMHO, I believe the 641 is next level, pretty much across the board. The 641 has an uncanny ability to generate a “detached from electronics” kind of tone; music springs forth in a buoyant and round manner, full of color and vitality. I honestly don’t know how they engineered such an organic and beautiful rendering of sound, as I’m hearing with this amp. The top end is truly exquisite at this price point and from my experience as good as any amp I’ve ever heard in my home systems. I can’t say the same thing about the 860av2, however, as I felt that amp was too stark, too hard-edged, too cool. There was something about it I was not able to get to sound right to me, despite cable swaps, source swaps etc. The new north amp signature is different, it definitely possesses the core signature of the later generation of moon amps- lucidity, clarity, focus, accuracy, speed, low noise, etc but it does so in a more engaging manner and fluidity-ness.
I strongly encourage listening to the 641 or 761 when you can.

yyzsantabarbara OP
4,752 posts
 

I just heard the 761 amp with the 700 series streaming DAC preamp. It was playing on the Parasound Persona 9H. When I had previously heard the 860 v1 it was on the Parasound Persona 5F.

I spent over an hour listening to various tracks and I came away thinking that it was smoother and more detailed than the 860A v1. The Persona’s still had a bit of an edge to it, but it was much less with the 761. The BE drivers on the Persona have a bit of edge to them compared to my NS5000.

There was great detail without much irritation. The sound was projected out more than with other systems I have heard. I am not sure if that is because of the Persona or the amp. The slight irritation I got was from the Persona or the smallish room.

I use a CODA #16 with my Yamaha NS5000 speakers. The NS5000 has some 6th degree of separation lineage with the Persona lineup. I think the NS5000 have better drivers than the Persona. I think the 761 (or 861) would great on the NS5000 and I will likely replace my Sanders Magtech with one of the North Collection amps.

I can rotate the CODA #16 and the Sim amps around with the Magnepan LRS+ and the Yamaha NS5000 speakers. The Sanders is not great with the NS5000. I will keep the CODA #16 which is great with both speakers and slightly different sounding from the Sim. Compared to the #16 the 761 sounded a little cleaner on top and maybe more detailed. Ernie Isley’s guitar solo on Summer Breeze sounded better on the 761, more details which made it sound like I was there. The slight Class A warmth of the #16 is something that I also love. The Sim does not have much of that.

My only uncertainty was whether the 761 could drive the bass of the NS5000 as well as the CODA. The 9H has powered subs so I was not really taxing the 761 during the listen.

More to discover