2. amps-preamps
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Monos Sim Moon M400 versus Pass 260.8

Not too long ago I wrote asking about Sim Moon 861 due to the great reviews.

My financial situation has changed and someone suggested the M400. But others have suggested the Pass 260.8.

I have found Pass hit or miss with the few models I have auditioned in terms of musicality and involvement. Maybe as a critic noted there is a touch of restraint. They are also 100lbs each versus the M400’s 33lbs. The prices for both are doable. And I must have balanced capability.

It is difficult for me to audition both. I like the fact with Sim one can ’audition’ a component for a year and receive 100% towards an upgrade.

Has anyone had a chance to hear both and have any thoughts? My pre is an arc ref10.

Thank you.

roxy1927
zlone
899 posts
 

I have no input on the amps themselves, but it being summer my thoughts go to heat. The Pass idles at close to 400 watts, something to consider.

hk_fan
541 posts
 

I'd vote Pass

mgrif104
414 posts
 

@roxy1927 

Yes - in my view, the North 761 amp is significantly better than the M400s. it is quite close to the 861. 

 

If your room is large and/or you listen at medium to high volumes, I might suggest you skip the Atma Sphere monos as I can imagine them running out of steam. However, if you listen at modest volume or are in close proximity to your speakers, they might be more than enough. 

But, if you can swing it, the 761 will likely be very pleasing to you - assuming you’ve heard the 861.

And, none of them will heat your room up.

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