New Series 2 versions of 625s2 and 725s2! Early adopters?

Mrdean

Well-Known Member
Mar 13, 2013
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2
313
I am curious to hear what experiences the early adopters of the new Series 2 625 and 725 (s2) have. Both are terrific as-is, but what differences have you noticed with the latest versions?
 

ricjor1

Well-Known Member
Oct 13, 2012
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I am curious to hear what experiences the early adopters of the new Series 2 625 and 725 (s2) have. Both are terrific as-is, but what differences have you noticed with the latest versions?

I went from the 525 to Continuum S2 to the 625 S2. I never had the opportunity to listen to the 625 S1. I love the 625 S2.
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
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I would like to know if it's worth going from the 625 S2 to the 725?
 

Mrdean

Well-Known Member
Mar 13, 2013
48
2
313
I would like to know if it's worth going from the 625 S2 to the 725?
I had the opportunity to hear the 725s2 amps last weekend. They are really terrific. On a pair of Maggie 3.6s, they sound fantastic, and only got better as they warmed up. Incredibly delicate highs, yet at the same time, powerful. A lot of jaw dropping and laughing and "Holy s--t!". I the amp choice is dependent on speaker choice. Lower sensitivity and lower impedance, combined with dynamic impact makes for heavy power demands, often near instantaneous. Even though the power ratings of the 625s2 and 725s2 are essentially the same, into a tough speaker, they don't sound like it. The 625s1 could sound "strained" during very strong passages, while the 725s1 cruised through the same passages without "skipping a beat". I expect the same with the s2 versions,as the power supply of the stereo 625s2 is the same as EACH mono 725s2.
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
948
I had the opportunity to hear the 725s2 amps last weekend. They are really terrific. On a pair of Maggie 3.6s, they sound fantastic, and only got better as they warmed up. Incredibly delicate highs, yet at the same time, powerful. A lot of jaw dropping and laughing and "Holy s--t!". I the amp choice is dependent on speaker choice. Lower sensitivity and lower impedance, combined with dynamic impact makes for heavy power demands, often near instantaneous. Even though the power ratings of the 625s2 and 725s2 are essentially the same, into a tough speaker, they don't sound like it. The 625s1 could sound "strained" during very strong passages, while the 725s1 cruised through the same passages without "skipping a beat". I expect the same with the s2 versions,as the power supply of the stereo 625s2 is the same as EACH mono 725s2.

Thanks for the response. I'm going to try to compare the 625 S2 to the 725 S2's in the same system.
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
948
I had the opportunity to hear the 725s2 amps last weekend. They are really terrific. On a pair of Maggie 3.6s, they sound fantastic, and only got better as they warmed up. Incredibly delicate highs, yet at the same time, powerful. A lot of jaw dropping and laughing and "Holy s--t!". I the amp choice is dependent on speaker choice. Lower sensitivity and lower impedance, combined with dynamic impact makes for heavy power demands, often near instantaneous. Even though the power ratings of the 625s2 and 725s2 are essentially the same, into a tough speaker, they don't sound like it. The 625s1 could sound "strained" during very strong passages, while the 725s1 cruised through the same passages without "skipping a beat". I expect the same with the s2 versions,as the power supply of the stereo 625s2 is the same as EACH mono 725s2.

What differences do you think I will hear between the two considering I'm driving Monitor Audio PL500's?
 

Mrdean

Well-Known Member
Mar 13, 2013
48
2
313
While I have never heard your speakers, I have sold, installed and voiced a lot of "large scale speakers" e.g. Wilson X1 and X2, Avalon, Revel Salons, Big Maggie's,and also listened at length to others (Magico, Peak Consult, TAD) and I would expect the biggest gains for you will be in dynamics (and not necessarily loud dynamics-more with the "startle factor") and astounding bass control giving depth, speed and tonality. The other big improvement I would expect is the ability to hear deeper into a mix, and the uncanny ability to pull out individual instruments during complex passages, examine, and focus on the next.
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
948
While I have never heard your speakers, I have sold, installed and voiced a lot of "large scale speakers" e.g. Wilson X1 and X2, Avalon, Revel Salons, Big Maggie's,and also listened at length to others (Magico, Peak Consult, TAD) and I would expect the biggest gains for you will be in dynamics (and not necessarily loud dynamics-more with the "startle factor") and astounding bass control giving depth, speed and tonality. The other big improvement I would expect is the ability to hear deeper into a mix, and the uncanny ability to pull out individual instruments during complex passages, examine, and focus on the next.

Are there other amplifiers that I should consider? If so, can you suggest some options?
 

Mrdean

Well-Known Member
Mar 13, 2013
48
2
313
Well, as Guido can tell you, if you can handle a pair of 925s...I recently installed my second set of the 925s. Holy cow!
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
948
Well, as Guido can tell you, if you can handle a pair of 925s...I recently installed my second set of the 925s. Holy cow!

Thanks, but 925s are out of my price range. Is there anything that's a step-up from the JR 625 S2 from other manufactures?
 

Mrdean

Well-Known Member
Mar 13, 2013
48
2
313
There are a lot of amplifier manufacturers out there. I can give you a partial list of amps that have left very fine systems in favor of Jeff Rowland amps: Joule Electra, VAC, Levinson, Wavestreams Kinetics, Ayre, Krell, VTL. Some of those ousted amps were Top of the line models, and very "pricey".
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
948
There are a lot of amplifier manufacturers out there. I can give you a partial list of amps that have left very fine systems in favor of Jeff Rowland amps: Joule Electra, VAC, Levinson, Wavestreams Kinetics, Ayre, Krell, VTL. Some of those ousted amps were Top of the line models, and very "pricey".

I love the 625 S2, but was looking for something that has the same qualities, but with more power. I'll stay were I am for now!
 

Mrdean

Well-Known Member
Mar 13, 2013
48
2
313
I agree. I think the 725s2s will be what you are looking for, but at twice the price!
 

ricjor1

Well-Known Member
Oct 13, 2012
214
162
948
I agree. I think the 725s2s will be what you are looking for, but at twice the price!

There is no doubt in my mind that the 725 S2's are a step-up and if I had the money I would get them...maybe one day to drive my Monitor Audio PL500's. PL500.jpg
 
Last edited:

hongkongfoufou

Well-Known Member
Mar 3, 2018
468
201
148
I have the Corus with Model 625 S1, never listen Model 625 S2...So I can't help you...sorry..
 

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