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Thread: How’s that for a speaker crossover

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  1. #1
    Join Date: May 2016

    Location: Milton Keynes

    Posts: 3,070
    I'm Andrew.

    Default How’s that for a speaker crossover

    Well I’ve never seen such big caps on a speaker crossover…
    Ansar supersound and Rata supersound ( russ Andrews )





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    Last edited by andyrlb; 30-07-2022 at 08:19.

  2. #2
    Join Date: Jul 2017

    Location: Kent

    Posts: 535
    I'm Paul.

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    I recently did the crossovers on my crusaders and I was amazed at the size of some of them. I replaced exiting ones with clarity caps and cement resistors with mills wire wounds. Real noticeable improvement.

    Did you do this yourself? I was given advise to place some of the coils on their side but never got round to doing it.

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  3. #3
    Join Date: May 2016

    Location: Milton Keynes

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    I'm Andrew.

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    No I didn’t make them , they were in the Atkinson Sota speakers.

  4. #4
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,893
    I'm Andrew.

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    Why do you need to replace the inductor coild on there side? What benefits does this reap?
    SS
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  5. #5
    Join Date: Jun 2015

    Location: London/Durham

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    I'm Lawrence.

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    Think I read something similar recently (but can't remember the exact details wrt placement, direction etc) might have been related to the induced magnetic field being in the same plane as (or was it perpendicular to, thinking of that 3 finger EMF thing) the PCB traces.

  6. #6
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 49,830
    I'm Geoff.

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    I think the idea is to orientate adjacent inductors at 90 degrees to each other where possible. I've not seen any studies showing if there really are benefits and I'm far too lazy to look for any!
    Conspiracy theories are only perpetuated because people go looking for them!

  7. #7
    Join Date: Jun 2015

    Location: London/Durham

    Posts: 5,969
    I'm Lawrence.

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    Quote Originally Posted by walpurgis View Post
    I think the idea is to orientate adjacent inductors at 90 degrees to each other where possible. I've not seen any studies showing if there really are benefits and I'm far too lazy to look for any!
    Ah yes that was it, I literally read that for the first time the other day, maybe it was on here.

  8. #8
    Join Date: Mar 2017

    Location: Seaford UK

    Posts: 1,861
    I'm Dennis.

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    Just try to avoid making a transformer with them.

  9. #9
    Join Date: Jan 2009

    Location: Essex

    Posts: 28,341
    I'm openingabottleofwine.

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    Quote Originally Posted by Pharos View Post
    Just try to avoid making a transformer with them.
    Agreed - the idea is to minimise any flux linkage between adjacent inductor coils.
    Barry

  10. #10
    Join Date: Nov 2010

    Location: Yorkshire

    Posts: 8,893
    I'm Andrew.

    Default

    OK, makes sense. Anyone ever tried it and heard a difference?
    SS
    CD Teac VRDS25X(Audiotuned) DAC Caiman SEG+15V PSU+Dorado DECK 1210 Mat Crystal Audio Mods MN Base/Bearing/Platter+Ebony armboard Feet Isonoe PSU Paul Hynes SR7EHD-27XL/DCSXL Ag DC lead/3 Stage Regs/Recap PCB+No Pitch/Strobe/Light ARM SME V(Kondo Ag Rewire&Tags) MC Cadenza Black FGS 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
    PRE
    Croft Epoch(Modded) AMP Sondex S100 (Modded) SPEAKERS Tannoy 15"MG+RFC Warwick cabs+ Ref XO DECKS Garrard301/401 (Bastin) Mat Teunto Bearings 301/401(Bastin) Plinth Moldovan/Bastin Arms 3012(Ikeda Ag wired) SME V12 PSU Eagle+Tachometer MC Ag Meister v2/Royal N SPUs CABLES Arm Yannis 420.5 Litz+ SpeakerPC Tripple C+WBT-0681 Ag IC Oyaide FTVS-510 AgWBT 0110Ag Phonostage Paradise(4 Box Mega-Modded)

    REAL SOUND
    Heybrook TT2 (Isokinetic PSU) + Alphason HR100s + Shure SC35C (JICO B/SAS) + Radford SC25 Pre + EAR 834 (Modded Clone) + 300b Amp + Full Duelund cabling loom



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