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Thread: Equipment layout advice

  1. #11
    Join Date: Apr 2008

    Location: Warrington

    Posts: 2,658
    I'm Neil.

    Default Equipment layout advice

    I can understand why, say a phono stage in a plastic case could suffer being near other components, especially considering the signal levels to be amplified. At large signal levels like with power amps (with a grounded case) I struggle more to understand why or how.
    Mana Acoustics Racks >> Custom Silent Media Server >> Halide Bridge USB (with AQVOX USB power) >> Pedja Rogic's Audial Model S DAC + Pioneer PL-71 turntable / Vista Audio phono-1 mk II / Denon PCL-5 headshell / Reson Reca >> LFD DLS >> LFD PA2M (SE) >> Royd RR3s.

  2. #12
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 30,054
    I'm Geoff.

    Default

    I keep my monoblocks together. Makes no difference that I can hear. Mind you, I do make sure the 'left' one is to the left and the 'right' one on the right.
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  3. #13
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 38,457
    I'm Grant.

    Default

    Although I have mine on each speaker Ive had them together and not noticed much if any difference.
    Regards,
    Grant ....

    I've said it before and I'll say it again: democracy simply-doesn't-work
    .... ..... ...... ...... ................... ..... ..... ..... ..... .....
    DENON DV2900 - TWIN PRO MONOBLOCK AMPLIFIERS - XIANG SHENG DAC\PRE\HEADPHONE AMP - AVANTREE OASIS CLASS 1 BLUETOOTH - AUDIO TECHNICA ATH-MSR7 & OPPO PM-3 PLANAR HEADPHONES - WIN10 JRIVER23, DEEZER HiFi - ECHO DOT - SMSL M6 MINIDAC - FULL RANGE TWIN TELEFUNKEN's - Q ACOUSTIC BT3 actives - CANTON SUB - MAINS REGENERATED AND FILTERED.

  4. #14
    Join Date: Apr 2014

    Location: swansea

    Posts: 286
    I'm gerald.

    Default

    Quote Originally Posted by agk View Post
    Have you a gallery thread Gerald? Some interesting kit you've got there.
    I will be putting up a gallery thread in the next couple of days Jason believes in simples designs built with good quality componants we have sourced parts from all over the world .
    the only items we are waiting on is the power supplys that are being custom made in poland uk price is over 1k custom built to his spec 250.00 (daighters have bought them for me as a early crimbo pressie ) delivered within 14 days only job left is build the Ikea lack rack powder coat the end plates I fancy a nice funk purple and also having a lid frame built that will have purple perspex inserted on the top .
    I can not put the mono blocks by the speakers mrs put her foot down on that I lost that battle but won the war on the rest of the kit

  5. #15
    Join Date: Jul 2012

    Location: Littlehampton

    Posts: 82
    I'm Stephen.

    Default

    Mono-bloc amplifiers when placed close to each other on the same shelf can affect each other's performance in an adverse way.

    The spurious electromagnetic influences given-off by the power supplies can affect each others performance. Sonically, this can result in a softer, less transparent audio delivery and dynamics can be reduced, together with resolution.

    That's the whole point of having mono-blocs, so you can position them right by the speakers and reap the rewards of completely separated channel information in their own chassis and individual power supplies, no left and right bleed-over, you get enhanced stereo imaging, pin-point focus and improved sound-stage.

    Each and every time I've separated mono-blocs, all of the above has been observed, and this is with differing brands.

    The more air space you provide between electronic components, the more improved the sound.

  6. #16
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 3,741
    I'm Oliver.

    Default

    Quote Originally Posted by weetabix View Post
    Mono-bloc amplifiers when placed close to each other on the same shelf can affect each other's performance in an adverse way.

    The spurious electromagnetic influences given-off by the power supplies can affect each others performance. Sonically, this can result in a softer, less transparent audio delivery and dynamics can be reduced, together with resolution.

    That's the whole point of having mono-blocs, so you can position them right by the speakers and reap the rewards of completely separated channel information in their own chassis and individual power supplies, no left and right bleed-over, you get enhanced stereo imaging, pin-point focus and improved sound-stage.

    Each and every time I've separated mono-blocs, all of the above has been observed, and this is with differing brands.

    The more air space you provide between electronic components, the more improved the sound.
    That's very interesting. I will separate them as far as possible and see what difference, of any, I notice.

    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > ZYX R50 Bloom cartridge > Jolida JD9 MKII > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

  7. #17
    Join Date: Feb 2014

    Location: Huntingdonshire

    Posts: 1,271
    I'm Andrew.

    Default

    Probably little difference to most ears. It's not as if it's a pair of 303's we're talking about after all.
    With all of these small tweaks we should remember that most people who can afford pricey kit like monoblocks etc are of an age where their hearing is on the wane.
    Last edited by agk; 06-12-2017 at 14:10. Reason: Grammar

  8. #18
    Join Date: Aug 2009

    Location: Staffordshire, England

    Posts: 18,309
    I'm Martin.

    Default

    I'm a little skeptikal of the idea that seperating monoblocks improves stereo seperation.

    I always thought the reason for monoblocks was portability. So you could use big traffos and heatsinks but it would still be liftable. Unlike a dual mono amp of the same design. I know you can get dinky little monoblocks now but I can't see thr point of that unless it is just easier to make them that way.
    Martin



    Current Lash Up:

    Sony X505ES CD Player * NVA P90SA passive pre / NVA A30 Power amp * JM Lab Electra 926 loudspeakers *



    "I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me." - Hunter S Thompson

  9. #19
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 30,054
    I'm Geoff.

    Default

    Quote Originally Posted by weetabix View Post
    The spurious electromagnetic influences given-off by the power supplies can affect each others performance. Sonically, this can result in a softer, less transparent audio delivery and dynamics can be reduced, together with resolution.
    Sounds unlikely to me. What research is this observation based upon?
    Mr. Tact!

    Main system: MMs/ADCs/Low output MC's/One rare Japanese SUT/One scarce British phono stage/various tonearms/hefty Japanese DD TT and hefty Japanese BD TT and small British BD TT. 4 CD players/2 jitter buster/2 DACs/Valve buffer. TVC stepped attenuator or valve pre-amp or solid state pre-amp. Current dumping power-amp or either of two Class A SS power-amp or Class A EL34 valve monos or big Japanese (part Class A) integrated. Big dual concentric speakers/Smaller dual concentric speakers/Two way British compacts and full range speakers, amongst others. And too much more to list!

  10. #20
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 3,741
    I'm Oliver.

    Default

    Quote Originally Posted by agk View Post
    Probably little difference to most ears. It's not as if it's a pair of 303's we're talking about after all.
    With all of these small tweaks we should remember that most people who can afford pricey kit like monoblocks etc are of an age where their hearing is on the wane.
    Glad I'm not in the "main" lol.

    Sent from my EVA-L09 using Tapatalk
    Technics SP10 MK2 > Phonomac AT-1010 tonearm > ZYX R50 Bloom cartridge > Jolida JD9 MKII > Firebottle Monoblocks > Creek OBH-11SE Headphone Amp > IXOS Speaker Cables > Pioneer CS-77A Speakers

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