Does Corus match with my power-amp? - Page 3
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  1. #21
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    Re: Does Corus match with my power-amp?

    hongkong - What you describe is a common situation when a brand initially changes its distribution. Hopefully Rowland selected a reliable new distributor but it may take some time for them to establish relationships with new dealers to properly support the brand. Unfortunately for most audiophiles like us patience is not one of our strengths when we yearn for new gear.

  2. #22
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    Re: Does Corus match with my power-amp?

    I just borrow a friendís Capri preamp to my home last week to test the sound. Wah! it really match with my Electrocompaniet power-amp, it sound very since. So I think if Capri can match my power-amp, then Corus should even sound much better.

  3. #23
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    Re: Does Corus match with my power-amp?

    Corus has a low output impedance of 60 Ohms on both balanced XLR and single-ended RCA outputs... As such, it will be very compatible with your amp.

    Yes, you will find all aspects of audible performance of Corus to be superior to the Capri S2, and even more so to the original Capri.

    What is even more intriguing is that the performance of Corus soars even much further if you feed it through the Rowland Power Storage Unit (PSU)... This is a full chassis power supply based on ultra-capacitors which isolates Corus circuitry completely from the dirty AC grid by converting AC into DC, storing the DC, and feeding the uncontaminated DC to Corus... I use PSU on my Rowland Aeris, and results are incredible to say the least.

    Regards, Guido
    Electronics - Rowland Aeris DAC+PSU, Rowland M925 430W monos, Esoteric X-01 as transport
    Speakers - Vienna Die Muzik
    Cables - Cardas loom: Clear Beyond XL PCs, Clear Reflection XLR ICs and speaker wires, Clear digital coax
    e

  4. #24
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    Re: Does Corus match with my power-amp?

    Hello
    i have a Corus but no the psu.
    I have a great opportunity to buy block mono amplifier Accuphase A-200.
    so is it a good idea to change the model Jeff Rowland Model 625?
    Thanks

  5. #25
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    Re: Does Corus match with my power-amp?

    Hello HongKong.

    What is making you consider an upgrade from Rowland 625? Power? Resolution?


    For one thing, the Accuphase A200 seens to deliver 100W in stereo mode over 8 Ohms.... All I found is that in mono mode, the amp would deliver "even more".... THis suggest that power would not double in mono/bridged mode.



    Conversely, the original model of M625, delivers 300W over 8 Ohms. The S2 version outputs 325W/8 and 600W/4.

    The S2 version is much enhanced over the original, which was already a stupendous device.... Is your 625 an original model? If you call your dealer or distributor, they can arrange for the upgrade to S2 status. Not sure what the upgrade price might be in France, but I know it is quite reasonable in the US.


    If you needed even more power than the Rowland M625 S2, the new Rowland M535 in mono mode will deliver 900W/8.... All reports I have heard about this amp point to it being quite spectacular. I may be receiving a unit to evaluate in the next few weeks, and will post my detailed findings on Audioshark.


    Regards, Guido



    I am not sure if you would find the Accuphase A-200 to be an upgrade from the Rowland M625... Even if your M625 unit were an original model, and not the much enhanced M625 S2.

    would
    Electronics - Rowland Aeris DAC+PSU, Rowland M925 430W monos, Esoteric X-01 as transport
    Speakers - Vienna Die Muzik
    Cables - Cardas loom: Clear Beyond XL PCs, Clear Reflection XLR ICs and speaker wires, Clear digital coax
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  6. #26
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    Re: Does Corus match with my power-amp?

    Quote Originally Posted by GuidoCorona View Post
    Hello HongKong.

    What is making you consider an upgrade from Rowland 625? Power? Resolution?


    For one thing, the Accuphase A200 seens to deliver 100W in stereo mode over 8 Ohms.... All I found is that in mono mode, the amp would deliver "even more".... THis suggest that power would not double in mono/bridged mode.



    Conversely, the original model of M625, delivers 300W over 8 Ohms. The S2 version outputs 325W/8 and 600W/4.

    The S2 version is much enhanced over the original, which was already a stupendous device.... Is your 625 an original model? If you call your dealer or distributor, they can arrange for the upgrade to S2 status. Not sure what the upgrade price might be in France, but I know it is quite reasonable in the US.


    If you needed even more power than the Rowland M625 S2, the new Rowland M535 in mono mode will deliver 900W/8.... All reports I have heard about this amp point to it being quite spectacular. I may be receiving a unit to evaluate in the next few weeks, and will post my detailed findings on Audioshark.


    Regards, Guido



    I am not sure if you would find the Accuphase A-200 to be an upgrade from the Rowland M625... Even if your M625 unit were an original model, and not the much enhanced M625 S2.

    would
    Hello Guido,

    Thanks for your answer.
    I'm not research more power.
    Mine is an original.
    I have Infinity Kappa 100.

    Thank you for your help.

    Best regards

    Thanh-Binh

  7. #27
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    Re: Does Corus match with my power-amp?

    Hello HongKong, if power is no concern, upgrading your original M625 to S2 status is the way to go.... All who have performed the upgrade have been amazed at the result... Jeff has added 4-pole Jensen capacitors in the power supply, and changed all boards to very low dyelectric ceramic boards.... But most of all, has designed for S2 a brand new circuit subsystem that reduces distortions to unmeasurable levels.

    Regards, Guido
    Electronics - Rowland Aeris DAC+PSU, Rowland M925 430W monos, Esoteric X-01 as transport
    Speakers - Vienna Die Muzik
    Cables - Cardas loom: Clear Beyond XL PCs, Clear Reflection XLR ICs and speaker wires, Clear digital coax
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  8. #28
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    Re: Does Corus match with my power-amp?

    HongKong......I owned the original 625 and had Jeff upgrade it to 625 S2. It improved on an already superlative amp with more transparency and even better bass. Unless one is needing more power/current than the 625 S2 provides, I think it is about as good as a stereo amp can get.

    TD

  9. #29
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    Re: Does Corus match with my power-amp?

    Quote Originally Posted by GuidoCorona View Post
    Hi HongKong, will you be getting PSU for your Corus?

    Regards, Guido
    Sorry, just see now your question.

    I have no bought the PSU for my CORUS....Any dealer in France ????? There is the distributor AlterAudio, but anybody works with him and JR ???? Why ? Curious ? Before distributor JR was PPL Audio for France.
    I will go to the High End Munich in may. JR are there. Perhaps, I buy it in Germany...
    I have send an e-mail to JR in USA today. I must wait 3 to 5 days...

    If there are a bundle AERIUS + PSU, there is a probleme for me...LOL...
    Marantz SA7S1/GRIMM AUDIO CC1/MARK LEVINSON 360S+TECHNICS SL1210 MKII/ORTOFON X1-MC/VPI CLASSIC 3 in rosewood/Audio-Technica ART-9/ESOTERIC E03+TAG MC LAREN T32R+JEFF ROWLAND CORUS+JEFF ROWLAND MODEL 625+INFINTY KAPPA 100+Cables line: all Furutech lineflux+power cord DIY

  10. #30
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    Re: Does Corus match with my power-amp?

    Quote Originally Posted by MM622 View Post
    I just borrow a friendís Capri preamp to my home last week to test the sound. Wah! it really match with my Electrocompaniet power-amp, it sound very since. So I think if Capri can match my power-amp, then Corus should even sound much better.
    I have compared Capri and PROCEED PRE.... I can say, I have heard no difference....but between CORUS and PROCEED PRE, there are a big big big difference....So...I think you will happy with....
    Marantz SA7S1/GRIMM AUDIO CC1/MARK LEVINSON 360S+TECHNICS SL1210 MKII/ORTOFON X1-MC/VPI CLASSIC 3 in rosewood/Audio-Technica ART-9/ESOTERIC E03+TAG MC LAREN T32R+JEFF ROWLAND CORUS+JEFF ROWLAND MODEL 625+INFINTY KAPPA 100+Cables line: all Furutech lineflux+power cord DIY

 

 
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