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Thread: Please help clear up a question about MONOBLOCKS

  1. #31
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    Quote Originally Posted by Arkless Electronics View Post
    The quality of a power supply, the nature of the circuitry it's powering, and the inherent PSRR of the circuitry is infinitely more important than whether it's dual mono.
    Regarding power supply, would it be better to have PSU in a separate box away from the valves.. Is this more beneficial than dual mono design or mono blocks?
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  2. #32
    Join Date: Oct 2012

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    Quote Originally Posted by Jimbo View Post
    Regarding power supply, would it be better to have PSU in a separate box away from the valves.. Is this more beneficial than dual mono design or mono blocks?
    All this and more dealt with in posts referred to above from 6 months ago...

  3. #33
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    Quote Originally Posted by Arkless Electronics View Post
    All this and more dealt with in posts referred to above from 6 months ago...
    yes I tried to find your post with no success
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  4. #34
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  5. #35
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    Quote Originally Posted by JohnJo View Post
    Thanks, starting to get some ideas with respects to what i want to do with the Pre.
    SS CD Teac VRDS25X(Mega Modded) DAC Caiman SEG+Anker PSU DECK 1210 Mat Analouge Studio Crystal Mods MN Base/Bearing/Platter+Ebony arm Board Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/Jaeger(low-impedance) connector/3 StageRegs/Recapped PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MCOrtofon Cadenza Black CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

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  6. #36
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    Quote Originally Posted by Arkless Electronics View Post
    The quality of a power supply, the nature of the circuitry it's powering, and the inherent PSRR of the circuitry is infinitely more important than whether it's dual mono.
    PSRR may need some explanation, unless I'm underestimating the electronics knowledge of typical forumites.

  7. #37
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    Quote Originally Posted by RothwellAudio View Post
    PSRR may need some explanation, unless I'm underestimating the electronics knowledge of typical forumites.
    Hmm yeah I considered explaining it... but didn't Hey if yer going to get accused of being patronising at times you have do the opposite now and then to keep em guessing I'm off out in a mo with a few beers to watch Jools Holland at mates place so if you would care to do the honours Andrew?

  8. #38
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    PSRR stands for power supply rejection ratio. Without getting too technical it's basically a measure of how well an amplifier shrugs off the inadequacies of a less-than-perfect power supply.

    BTW, going off at a slight tangent, I think it would be helpful for people not to get too hung-up on the "power" side of a power supply and instead think of it as a voltage supply. Sure, for power amps it's important to have some power available, but mostly it's a steady voltage which is required. Actually, that's still true for power amps - but the voltage needs to hold steady under more demanding conditions.
    Anyway, the idea that a "good power supply" means one which will supply more power - and is therefore big - is over-simplistic in my opinion.

  9. #39
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    Quote Originally Posted by RothwellAudio View Post
    PSRR stands for power supply rejection ratio. Without getting too technical it's basically a measure of how well an amplifier shrugs off the inadequacies of a less-than-perfect power supply.

    BTW, going off at a slight tangent, I think it would be helpful for people not to get too hung-up on the "power" side of a power supply and instead think of it as a voltage supply. Sure, for power amps it's important to have some power available, but mostly it's a steady voltage which is required. Actually, that's still true for power amps - but the voltage needs to hold steady under more demanding conditions.
    Anyway, the idea that a "good power supply" means one which will supply more power - and is therefore big - is over-simplistic in my opinion.
    Good post. Explains a bit. So it's very important to have a very high PSRR and equally important to have a very "rigid" regulated power supply, so ?steady regulated voltage holds under demanding conditions??????
    SS CD Teac VRDS25X(Mega Modded) DAC Caiman SEG+Anker PSU DECK 1210 Mat Analouge Studio Crystal Mods MN Base/Bearing/Platter+Ebony arm Board Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/Jaeger(low-impedance) connector/3 StageRegs/Recapped PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MCOrtofon Cadenza Black CABLES Arm Yannis SPD-4 IC Yannis 222 Litz+Ag bullets Power WAR PRE ATC SCA2 SPEAKERS ATC 50ASL STANDS Atacama PHONO Sugden Masterclass PA4 SUT Ortofon ST80SE POWER PSAudio P10

    Valve PRECroft Epoch(Mega Modded) AMP Sondex S100 SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Reference XO DECK Garrard301 MatTeunto GunMetal Bearing SPH PlinthMoldovan Arm SME 3012(Ikeda Ag wired) PSUPheonix PSU+Tachomter MCAg Meister SPU/DECCA Maroon CABLESArm Yannis 420.5 Litz+ Speaker3mm2Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage4Box Paradise


  10. #40
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    Not necessarily.. 'Best of Breed' Amp topologies often don't benefit from a regulated supply.
    Lesser circuits typically need all the boost they can get... from any quarter.

    Only news here IMO is the lengths we as Audio Weenies will go to in our search for the ultimate hardware advantage..
    To Replay our cheap mass-market recordings of dubious quality...
    My audio bits: Thorens / diy phono, CD/dvd player(s), diy pre, F6, Tannoy Golds in my boxes / my xovers, and of course all strung together with basic diy Wires
    Lots of Cd's, yet more audio files, a couple of hundred semi worn Lps.

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