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Thread: My speakers are deceased :-( Repair or replace?

  1. #1
    Join Date: Feb 2009

    Location: Essex

    Posts: 138
    I'm Simon.

    Default My speakers are deceased :-( Repair or replace?

    Hi everyone,

    I haven't been around here for a while because I found that talking about hi-fi all the time resulted in buying hi-fi all the time and I ran out of money :-)

    I've just moved my beloved JPW AP2s to their new home and on arival discovered that there's no bass! They were not bumped at all in transit but the foam surrounds for the bass drivers have disintegrated which I have since discovered is a common problem with these drivers.

    I've had the AP2s from new in about 1990 and it's the one part of my system I have never upgraded - as everything else got more expensive the AP2s kept up and revealed all the nice detail so obviously replacement drivers is one option. That would cost me about £130 the pair so before I put my hand in my pocket for those drivers I have 2 questions:

    - If I shell out for the drivers (which I see come with non-rotting foam surrounds these days), is there anything else which is likely to fail on JPW speakers of this age?

    - The AP2s only cost me £150 so before I spend £130 on bass drivers I thought it worth asking whether there are other speakers in that price bracket that I ought to audition as possible replacements?

    Thanks as always,

    Simon.
    System 1: Marantz CD6000OSE, Beresford TC-7520, Marantz PM6010OSE, QED QNect II interconnect, Dual CS505 Mk3 turntable with Audiotechnica AT110E cartridge, Denon DRM-700A cassette deck, biwired B&W 685 S2 speakers on sand-filled Atacama SE24 supports.
    System 2: Marantz M-CR610, JPW Gold Monitors, Chord C-Screen speaker cables, NAS drive.
    System 3 (portable): Cayin N3
    My website: Foxysounds website
    My music: Foxysounds music

  2. #2
    Join Date: May 2008

    Location: Lancaster(-ish), UK

    Posts: 16,936
    I'm ChrisB.

    Default

    Read these threads & spend £20 (or less), set aside an afternoon & do and learn something interesting. Then sit back & enjoy your speakers again.

    Allison Bass Driver Repair

    More Adventures in Speaker Re-foaming

  3. #3
    Join Date: Nov 2009

    Location: Devon

    Posts: 1,903
    I'm stu.

    Default

    I'd get them sorted.
    You will struggle to get anything close for hundreds.
    301/Puresound 2A3/quite large Grf cab horny ones.Eminence/Coral/Le cleach

  4. #4
    Join Date: Feb 2009

    Location: Essex

    Posts: 138
    I'm Simon.

    Default

    Thanks for the advice Chris.

    I had seen articles on re-foaming already and had decided it was too difficult for me to do but the idea of using a battery to help centre the cone within the foam surround is really interesting and makes things a lot easier. I might give it a go after all.

    Thanks again,

    Simon.
    System 1: Marantz CD6000OSE, Beresford TC-7520, Marantz PM6010OSE, QED QNect II interconnect, Dual CS505 Mk3 turntable with Audiotechnica AT110E cartridge, Denon DRM-700A cassette deck, biwired B&W 685 S2 speakers on sand-filled Atacama SE24 supports.
    System 2: Marantz M-CR610, JPW Gold Monitors, Chord C-Screen speaker cables, NAS drive.
    System 3 (portable): Cayin N3
    My website: Foxysounds website
    My music: Foxysounds music

  5. #5
    Join Date: Feb 2009

    Location: Essex

    Posts: 138
    I'm Simon.

    Default

    Thanks Stuart. I feared as much.

    Simon.
    System 1: Marantz CD6000OSE, Beresford TC-7520, Marantz PM6010OSE, QED QNect II interconnect, Dual CS505 Mk3 turntable with Audiotechnica AT110E cartridge, Denon DRM-700A cassette deck, biwired B&W 685 S2 speakers on sand-filled Atacama SE24 supports.
    System 2: Marantz M-CR610, JPW Gold Monitors, Chord C-Screen speaker cables, NAS drive.
    System 3 (portable): Cayin N3
    My website: Foxysounds website
    My music: Foxysounds music

  6. #6
    Join Date: May 2008

    Location: Lancaster(-ish), UK

    Posts: 16,936
    I'm ChrisB.

    Default

    Simon,
    Believe me, I'm the clumsiest bugger on the planet - if I managed it with not a hint of a problem, then anyone can do it.

  7. #7
    Join Date: Feb 2009

    Location: Essex

    Posts: 138
    I'm Simon.

    Default

    I finally took the plunge. I'm just waiting for the glue to dry on the first cone. Fingers tightly crossed!
    System 1: Marantz CD6000OSE, Beresford TC-7520, Marantz PM6010OSE, QED QNect II interconnect, Dual CS505 Mk3 turntable with Audiotechnica AT110E cartridge, Denon DRM-700A cassette deck, biwired B&W 685 S2 speakers on sand-filled Atacama SE24 supports.
    System 2: Marantz M-CR610, JPW Gold Monitors, Chord C-Screen speaker cables, NAS drive.
    System 3 (portable): Cayin N3
    My website: Foxysounds website
    My music: Foxysounds music

  8. #8
    Join Date: May 2008

    Location: Lancaster(-ish), UK

    Posts: 16,936
    I'm ChrisB.

    Default

    Excellent!
    It'll be fine Simon.

  9. #9
    Join Date: Apr 2012

    Location: N E Kent

    Posts: 51,592
    I'm Geoff.

    Default

    Just a little tip to those thinking of using the battery centering dodge on voicecoils, be careful with tweeters, you might fuse the coil windings. And yes, some of us do rebuild tweeters.

  10. #10
    Join Date: Nov 2011

    Location: london

    Posts: 1,133
    I'm george.

    Default

    How does one find out what size of foam is needed?
    All I seem to be seeing is foam for bass drivers about,but its the mids on my old SMC's need refoaming and Ive a couple more sets of speakers in the garage could do with refoaming too!!
    News years resolution...get them all done or give them away

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