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Thread: Introduction to current Rowland product lineup

  1. #1
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    Introduction to current Rowland product lineup

    Here is the Jeff Rowland current product lineup as of January 2013. Note the new products: M925, M825, M525, Capri S2, and Continuum S2. with the new introductions, Rowland appears to have filled earlier gaps in the product line.

    Up-to-date links to Rowland products reviews can be found at:

    http://jeffrowlandgroup.com/kb/quest...questionid=630

    Monoblock power amplifiers:

    *new* M925 4-chassis monoblock, 400W over 8 Ohms, 850 over 4 Ohms, PFC front end, regulated DC 2400W SMPS, -- Released January 2013.

    * M725 monoblock, class A/B, 330W over 8 Ohms, 650 over 4 Ohms, class A/B; ceramic boards, PFC front end, regulated SMPS, 4-pole capacitors -- Released December 2011.

    Bridgeable Stereo amplifiers:

    *NEW* M525 -- Stereo Power Amplifier class D, 250 watts @ 8 ohms/500 watts @ 4 ohms, 1000 watts @ 8 ohms BTL (bridge-tied load) (expected release Q2 2013)

    Stereo amplifiers:

    *NEW* M825 -- 2-chassis Stereo Power Amplifier (with external power supply), 400W @ 8 ohms/750W @ 4 ohms (expected release 2Q 2013)

    * Model 625 stereo -- class A/B, 300W over 8 Ohms, 550W over 4Ohms, class A/B; PFC front end and regulated SMPS -- Released December 2010.

    *NEW* MODEL 125 -- Stereo Power Amplifier class-D, 125W @ 8 ohms/250W @ 4 ohms (expected release 2Q 2013)

    * Model 102 -- class D, 100W at 8 Ohms.

    Integrated amplifiers:

    CONTINUUM S2 -- Integrated Amplifier, class D, 400W @ 8 ohms/800W @ 4 ohms. (expected release Q2 2013)

    DACs:

    * Aeris DAC / preamplifier with external power supply.

    Pure Preamplifiers:

    *NEW* Capri S2 -- single chassis preamplifier with optional DAC and phono cards. (released January 2013)

    * Corus -- linestage with external power supply.

    Accessories:

    * PC-1 external PFC-based rectifier -- Make sure your compatible amp/pre is switched to 220V operations before applying PC-1, or sparks will fly!): PC-1 is compatible with Continuum 250, M501, M201, M102, Capri S2, and original Capri. Other products are NOT compatible with PC-1, or their compatibility is unknown.

    Withdrawn products:

    * Criterion 2-chassis preamplifier
    * M312 stereo amp - class D with PFC and SMPS.
    * M301 -- monoblock amplifier .
    * M201 mono amp, 250W @ 8 Ohms, 500W @ 4 Ohms.
    * M501 monoblock amplifier
    * Capri preamplifier (original)
    Continuum 500 and Continuum 250 integrated amps.

    The Jeff Rowland web site at
    http://www.jeffrowland.com/kb
    Is an extensive Knowledge base with lots of technical info about most JRDG products.
    Last edited by GuidoCorona; 02-16-2013 at 02:30 PM. Reason: Added link to products reviews page

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    Site Founder And Administrator Steve Williams's Avatar
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    Guido my friend

    Thanks so much for taking the time to post to this site. Of all my friends you are the most knowledgeable re Jeff Rowland Design Group

    The one thing from your post which I didn't know is that Continuum is part of Jeff Rowland
    Steve Williams
    aka oneobgyn
    There's ALWAYS another Steve Williams BUT there's only "oneobgyn"
    Industry Affiliation........Lamm Dealer
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    Hi Steve, definitely, Continuum 250 and 500 are part of the Rowland product line. And if memory serves, Continuum 500 may be the most successful Rowland product ever. . . . I'll open a dedicated thread to discuss Continuum. G.

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    Site Founder And Administrator Steve Williams's Avatar
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    Quote Originally Posted by GuidoCorona View Post
    Hi Steve, definitely, Continuum 250 and 500 are part of the Rowland product line. And if memory serves, Continuum 500 may be the most successful Rowland product ever. . . . I'll open a dedicated thread to discuss Continuum. G.


    thanks Guido

    I'll look forward to it as I have heard the amp on several occasions and found it very pleasureable
    Steve Williams
    aka oneobgyn
    There's ALWAYS another Steve Williams BUT there's only "oneobgyn"
    Industry Affiliation........Lamm Dealer
    My System

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    When I heard Jeff Rowland gear I really liked it. I heard it with Focal speakers and the two really did sound good together.

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    Addicted to Best! DaveyF's Avatar
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    Guido, I own a model 8 with choke and top plate mod. What is your opinion on the original choke vs. the later power supply mods that have followed?
    I have sometimes wandered if a move to battery supply would be a way to go, have you heard the battery supplies? If so, do they have the drawbacks
    that they are famous for? Such as an inability in the bottom end to fill out notes and general loss of speed and dynamics. I have not heard a battery supply model so
    can only wonder.
    Last edited by DaveyF; 01-21-2012 at 10:38 AM.

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    Davey, unfortunately I have no experience with any Model 8 variants. I have gone directly from a venerable late model 7M class A/B high bias monos to a Model 312 class D stereo, and skipped about 6 generations in between. Depending on the vintage and serial number of your Model 8 unit, the factory might be able to suggest available updates... for example, not all variants can be updated to HC. As for battery power, there are urban legends according to which BP applied to high power amps reduces dynamics etc.... But having had no personal experience, I cannot be of much help on the subject one way or another.

    Guido
    Guido D. Corona
    PFO reviewer

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    Just a quick update to the thread header... the Corus preamp with external AC power supply has been released ($12,200). The Model 501 monoblock amp has been withdrawn. Guido
    Guido D. Corona
    PFO reviewer

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    Addicted to Best! DaveyF's Avatar
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    Thanks Guido, The factory has several mods available for the 8. I'm not so sure that all of the mods are an improvement however. The power supply mod is for example IMHO a step backwards. I have not heard the Ti mod though , so was wondering.
    Last edited by DaveyF; 01-21-2012 at 10:39 AM.

  10. #10
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    Davey, I really have no experience on Model 8, hence I cannot tell you about my opinions of the Ti variant. One option is to call Ron Gaston at Black Forest Audio... he is a long time JRDG dealer and a personal friend of Mr. Rowland. Ron specializes in previous generation JRDG devices, including Model 8. I am positive he will be able to tell you which M8 variants he likes and why, and which ones he does not care for.

    Ron Gaston
    Black Forest Audio
    Elbert, CO
    <mailto:audioelan@msn.com>
    call: 719 475-7501
    Last edited by GuidoCorona; 08-10-2010 at 01:09 PM.
    Guido D. Corona
    PFO reviewer

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