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Thread: Please help clear up a question about MONOBLOCKS

  1. #1
    Join Date: Nov 2010

    Location: Yorkshire

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    I'm AnDreW.

    Default Please help clear up a question about MONOBLOCKS

    What are the advantages of monoblocks over simply getting a power amplifier or preamp designed to have dual mono power supplies and output?
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  2. #2
    Join Date: Sep 2009

    Location: west mids, UK

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    I'm Phil.

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    I used to have monoblocks , several times . I believe some folks like shorter speaker cable to get them nearer the speakers . actually my current class A single stereo power amp is better than any monoblocks I have ever had .
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  3. #3
    Join Date: Feb 2013

    Location: W Lothian

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    I'm Grant.

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    wouldn't think there would be any in general although some folk will think there is. I quite like monoblocks but its more for the look I think deep down. Like anything there can be extenuating circumstances
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  4. #4
    Join Date: Nov 2015

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    I'm Oliver.

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    Quote Originally Posted by hifinutt View Post
    I used to have monoblocks , several times . I believe some folks like shorter speaker cable to get them nearer the speakers . actually my current class A single stereo power amp is better than any monoblocks I have ever had .
    I've just googled your MSB s200 and it looks phenomenal!! Looks to be dual mono ?
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  5. #5
    Join Date: Nov 2013

    Location: N London

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    I'm Steven.

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    Quote Originally Posted by REXTON View Post
    What are the advantages of monoblocks over simply getting a power amplifier or preamp designed to have dual mono power supplies and output?
    Often just doubles up the power. Quad QMPs are basically QSPs internally bridged. Some like Bryston can be switched externally into mono bridged mode. The only sense I can see in low powered valve monoblocks is to split the weight in half.

    The weight of big power amps is an issue, dual mono with two transformers and heat sinks would just be too heavy. Some stereo amps have just one transformer, think Hegel.

    Speaker cable length is irrelevant, just isn't an issue.
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  6. #6
    Join Date: Jan 2008

    Location: Witney Oxon

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    I'm Martyn.

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    Not totally relevant, but I understand the word is normally spelt without a 'k'.



    When I owned a Meridian 101 Series amplifier system,
    my Dealer told me the performance of the 105 monobloc ( or 'mono bloc' )
    was definitely superior.
    In the end I turned my 101/103 into a 101/103D setup
    That was back in 1979.

    Perhaps things have changed spelling-wise now we're in 2017...

  7. #7
    Join Date: Sep 2014

    Location: Northern Ireland

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    I'm John.

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    Personally I found my Quad 405 monoblocks sounded better with short speaker cables and long interconnects so being able to site the amps close to the speakers can be an advantage.

  8. #8
    Join Date: Apr 2012

    Location: Southall, West London

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    I'm Geoff.

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    Using a pair of bridged stereo power amps as monoblocks will only give a 3db increase in maximum loudness in comparison to a similar single power amp used in stereo mode.

  9. #9
    Join Date: Apr 2008

    Location: Warrington

    Posts: 2,830
    I'm Neil.

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    I have a "dual mono" amp i.e. mono amps in one case. Would there be any difference if they were in two boxes? I doubt it...

    Are there advantages with seperate power supplies for each channel? Yes.
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  10. #10
    Join Date: Apr 2008

    Location: Warrington

    Posts: 2,830
    I'm Neil.

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    Quote Originally Posted by walpurgis View Post
    Using a pair of bridged stereo power amps as monoblocks will only give a 3db increase in maximum loudness in comparison to a similar single power amp used in stereo mode.
    Also I find that things might not sound as natural and coherent when you start bridging or biamping.

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