501 Mono Amplifier

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wizard

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A first listen from JV at TAS.
 
Depends on how close you are to the amps, how quiet the room is, how loud the music is. The fan is not loud, but can be audible.
 
VT Skier said:
Depends on how close you are to the amps, how quiet the room is, how loud the music is. The fan is not loud, but can be audible.
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Thank you. I had a bad experience with one of my amp before.

But that wasn't at the same level as like this one.lol
 
That was an interesting article comparing the 501 to Tech Brain and Constellation. I've never seen any of these amps in person but from looking at these amps on the net there not the prettiest looking thing for what their charging. When I look at the Burmesters 911 or the Mac's 1.2KW which are good sounding amps and no slouch they are gorgeous to look at as well as listen to.

P.S. But I'd still like to listen to the Constellation Centaur.

John
 
Has anyone ever tried a Pass Labs XP-30 Preamplifier with the Soulution 501 Mono Amplifiers and if so, how did it sound?
 
Alpinist said:
Has anyone ever tried a Pass Labs XP-30 Preamplifier with the Soulution 501 Mono Amplifiers and if so, how did it sound?
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Never tried but with a 2k input impedance. I suggest sticking with the Soulution preamp that has an extremely low output impedance of only 10 ohms to match. I think the XP30 is at least 10 times that.

Just looked at your equipment list, I should have said stick with your lovely 100.8's.

Soulution should really be looked at as a system (pre and power together IMHO)
 
Mark Jones said:
Never tried but with a 2k input impedance. I suggest sticking with the Soulution preamp that has an extremely low output impedance of only 10 ohms to match. I think the XP30 is at least 10 times that.

Just looked at your equipment list, I should have said stick with your lovely 100.8's.

Soulution should really be looked at as a system (pre and power together IMHO)
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Hi Mark,

The Pass XP-30 output impedance is 120 ohms. The input impedance on the Soulution 501 is 2,000 ohms. That's 17x higher, isn't that sufficient?

Thanks,
Ken
 
Alpinist said:
Hi Mark,

The Pass XP-30 output impedance is 120 ohms. The input impedance on the Soulution 501 is 2,000 ohms. That's 17x higher, isn't that sufficient?

Thanks,
Ken
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As far as the anal/figures brigade go, that is perfect.
 
Alpinist said:
Hi Mark,

The Pass XP-30 output impedance is 120 ohms. The input impedance on the Soulution 501 is 2,000 ohms. That's 17x higher, isn't that sufficient?

Thanks,
Ken
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True, it does lie just past the minimum required of 10x. However, most products out there designed to work together are often more than 100x.

If you are buying mega buck state of the art stuff why use it in a minimum required situation. But who knows, as I have not heard the combo, it may sound fantastic. Sorry, just had to throw in my two cents.
 
Alpinist said:
Hi Mark,

The Pass XP-30 output impedance is 120 ohms. The input impedance on the Soulution 501 is 2,000 ohms. That's 17x higher, isn't that sufficient?

Thanks,
Ken
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I think at that level, the XS preamp would be a better bet with your 100.8's.
 
Alpinist said:
Hi Mark,

The Pass XP-30 output impedance is 120 ohms. The input impedance on the Soulution 501 is 2,000 ohms. That's 17x higher, isn't that sufficient?

Thanks,
Ken
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As good as the 501's are, I would be hard pressed to go to them over 100.8's. At that price point, I can assure you, the XS150's with your XP30 would be a much better combination.

My friend with 100.8's and Strads was over yesterday. He said to me after 4.5 hours of comparison, the XS150's are at least a 50% improvement over the 100.8's.

I've heard a lot of what many consider the worlds current greatest SS amps - 701's, Dart 458, Vitus, CH, FM, etc. and as good as many of them are, IMHO, none can touch the XS150's. The big Vitus class A amps are right there (but at a lot more money), and the Accuphase A-200's too. And a Nelson Pass circuitry you know is leading class in design.

But again, with your preamp....I would be leaning XS150's over 501....
 
I think may depend on where your final setup will be. If D3'are ever added to your system then Soulution all the way
 
Thanks for the feedback everyone. A lot of great food for thought here. I really appreciate it!
 
Ken, just to let you know. I tried the Solution 710 with my Salon 2's, and it was not a good match. The newer Solution amps, like the 711, have a more natural sound. I still don't know if they will work with Salon 2's, but as David said, they're fantastic on Raidho speakers.
 
MDP said:
Ken, just to let you know. I tried the Solution 710 with my Salon 2's, and it was not a good match. The newer Solution amps, like the 711, have a more natural sound. I still don't know if they will work with Salon 2's, but as David said, they're fantastic on Raidho speakers.
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Thanks Mark! Very helpful.
 
Here is a brief review I wrote on the Soulution 501 mono amps:

Right now, I'm running from the Esoteric K-01 directly to the Soulution 501 amps and then to the Salon 2's. Even without the 520 preamp, the sound quality is outstanding. There is tremendous clarity and purity of timbres, and distortion is virtually undetectable. There is also a high degree of resolution but it is delivered with a certain sense of ease, regardless of the volume level. Speed, dynamics and bass control are incredible. Drum strikes on some of my most dynamic Telarc recordings are lightning fast and impactful. Consequently, it just sounds a lot more like live music than what I've previously experienced. Overall the sonic signature is very neutral with just a touch of sweetness in the midrange and treble. I also had the opportunity to audition the Soulution 520 preamp and adding this component in the chain materially increases smoothness, texture and musical density.

Ken
 
Alpinist said:
Here is a brief review I wrote on the Soulution 501 mono amps:

Right now, I'm running from the Esoteric K-01 directly to the Soulution 501 amps and then to the Salon 2's. Even without the 520 preamp, the sound quality is outstanding. There is tremendous clarity and purity of timbres, and distortion is virtually undetectable. There is also a high degree of resolution but it is delivered with a certain sense of ease, regardless of the volume level. Speed, dynamics and bass control are incredible. Drum strikes on some of my most dynamic Telarc recordings are lightning fast and impactful. Consequently, it just sounds a lot more like live music than what I've previously experienced. Overall the sonic signature is very neutral with just a touch of sweetness in the midrange and treble. I also had the opportunity to audition the Soulution 520 preamp and adding this component in the chain materially increases smoothness, texture and musical density.

Ken
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Thanks Ken. Good write up. I agree with your comments. The first Soulution amp I heard was the 710 and wasn't overly impressed. But ever since I first heard Jon's 501's, I was sold. The 711/701's just take these a step further. Great amps.
 
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