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Thread: Amplifier service

  1. #1
    Join Date: Jul 2011

    Location: Northamptonish

    Posts: 1,579
    I'm Peter.

    Default Amplifier service

    Just picked up my Marantz PM-4 amplifier from beautiful Bedlington, and it's sounding great. I'd only had this amp a couple of months when it started to cut out and generally behave badly ... not surprising, maybe, as it dates from 1980. Anyway, Jez had a look at it, fixed the immediate problems ... switch contacts, new speaker relay and voltage regulators ... and also replaced 43 ancient electrolytic caps, so it's measuring 'in spec.' and will now hopefully see me out

    Anyone who has ever heard the PM-4 will probably agree it's a bit special, and well worth the effort of resurrecting. Anyway, I'm well chuffed ... fair price, excellent service .. thanks, Jez! (and cat).
    Last edited by petrat; 07-08-2017 at 12:01.

  2. #2
    Join Date: Oct 2012

    Location: NE England

    Posts: 4,647
    I'm Jez.


    Thanks for that Peter. Glad to be of help It does indeed sound rather nice!

  3. #3
    Join Date: Sep 2009

    Location: Bournemouth

    Posts: 4,048
    I'm Dan.


    Yep got one here....
    Main System: Musical Fidelity E100 Amplifier & Musical Fidelity E50 Tuner & Pioneer PD S505 Precision CD Player & Tannoy DC-1000 Speakers , Van Del Hul Speaker Cables - Linn , Cable Talk , Nakamichi Interconnects
    Vinyl -
    Rega Planer 2 with Rega Britain Green 250 Tonearm & Upgraded Van Den Hul Oil Bearing & Ortofon Super OM-10

    Second System:
    Technics - SU-C909U Pre-Amplifier & SE-A909S Power Amplifier & Technics ST-GT 1000 Tuner & Pioneer PDS 505 Precision player & Thorens TD-125 MK1 Turntable & SME 3009 Series 1 & Shure V15 Type II Cartridge & SME 2000 Plinth & Celestion A compact Speakers , Monster Speaker Cable , Cambridge Audio Atlantic Yellow Interconnects.

    Number 3
    Quad 33/303 , Mission 769i Speakers , Quad FM4 ,

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