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NAT Se2Se amps

Very little information on these amps can be found . Does anyone here own them and do they sound best with "XLR" or "RCA" input cables or has different power cords made much of a difference? Presently, I only have the single ended (RCA) inputs on my preamp which was custom made locally . I know some amps can sound best on either configuration due to how it's implemented. Also, has anyone "rolled" the two small signal tubes and found a significant change in the presentation of the sound?
chuckie
soundlistening
26 posts
 
Chuckie,

Keep in mind that the 845 is the mid range lovers tube.

If your speakers are <90/92db you will be missing quite a lot of what any SET has to offer. Have run SET 55w parallel 211's into 90db then same into 100db, far far better in my world.

Tell us what your speakers are.

Tim
chuckie OP
74 posts
 
My speakers are Soundlab Ultimate II's. I know they are hard to drive but I have tasted the magic of the 845 tube drving my speakers temporarily and thought the 211's on the NAT Se2Se might work better magic. I plan to work with my setup some more before calling it quits. I will probably try some other amp with the 845 eventually. I don't have any plans to "ever" sell my Soundlabs so finding the right 845 or 211 amp has been my quest lately. I am not interested in Atmasphere,Ayre or Wolcott. I have heard those combinations and they didn't have the magic in the midrange as much as the amp with the 845 installed.

Regards
Chuckie
soundlistening
26 posts
 
Asking SET's to drive 88db speakers is quite a challenge.
Maybe you could consider the KR audio SET's that are said to deliver the SET and the power, never heard myself but some say they are worth it.
irsbeta
6 posts
 
If you need some power and want SET then NAT or KR Audio are really the only two that I have heard that deliver the SET magic with real bass power and control. The biggest Ayon monos are not bad either but despite plenty of power sound kind of soft in the bass. For somewhat easier speakers they are one of the best but for "normal" or electrostats stick with NAT or KR.

I drove my Acoustats (1+1, Spectra 2200 and Spectra 4400) very nicely indeed with my KR Audio VA350i. It also is driving my Genesis III speakers with real authority, even though they are 87db and 4 ohms. No problems. I have hooked it up to a number of Apogees with great success as well (not the 1 ohm Scintilla mind you). The bigger KRs have more headroom of course. The NAT amps have similar punch and drive and perhaps sound a bit more tube like (KR Audio amps are hybrids) overall.
csng1
89 posts
 
Hi Chuckie
Can i ask how do you like your NAT se2se, thanks
Chris
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