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Thread: what type of capacitor are these?

  1. #1
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,341
    I'm jamie.

    Default what type of capacitor are these?

    as above anyone know?



    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

  2. #2
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,577
    I'm Oliver.

    Default

    Hmmm, googled it?
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & Firebottle LPSU with Volumio & JRiver
    Amplification: Nelson Pass Derived DCB1 with Khozmo 48 Step Series Attenuator & Neurochrome Modulus 686 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  3. #3
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,341
    I'm jamie.

    Default

    i reckon alan would know,my guess is polyester
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

  4. #4
    Join Date: Feb 2013

    Location: W Lothian

    Posts: 58,498
    I'm Grant.

    Default

    Could be tantalum
    Or metalized polys
    Doh
    Last edited by struth; 24-08-2019 at 18:16.
    Regards,
    Grant .... ؠ

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  5. #5
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 4,341
    I'm jamie.

    Default

    late 60's early 70's if that helps?
    My System
    John Wood KT88 Amp.
    Paradise Phono Stage
    Sony TTS-8000 Turntable.
    PMAT-1010 MK6 Tonearm.
    Ortofon KB with vienna upgrade
    Sony X555ES Cd Player
    Yamaha NS1000m Speakers
    KARMA Interconnects & Tonearm Cable

  6. #6
    Join Date: Jan 2009

    Location: Essex

    Posts: 20,882
    I'm openingabottleofwine.

    Default

    They are not tantalum (tantalum capacitors need to be biased). I would say they are polyester.
    Barry

  7. #7
    Join Date: Sep 2013

    Location: North Island New Zealand

    Posts: 1,367
    I'm Chris.

    Default

    They are still available now with 250v rating , but otherwise very similar here:
    https://www.jaycar.com.au/1uf-250v-m...citor/p/RY6950

  8. #8
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 9,577
    I'm Oliver.

    Default

    I wouldnt stick a polyester cap in anything personally so polypropylene ones of the same value will probably be spot on.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK6 tonearm > Ortofon Kontrapunkt b > Bigbottle Jfet MC Valve Phonostage (Telefunken Valves)
    Digital: Raspberry Pi 3+/Allo Boss 1.2/Isolator 1.3 & Firebottle LPSU with Volumio & JRiver
    Amplification: Nelson Pass Derived DCB1 with Khozmo 48 Step Series Attenuator & Neurochrome Modulus 686 Amplifier
    Cables: SPOTFIRE Speaker Cable & SPOTFIRE IC Cables & SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

    Price List For SPOTFIRE Cables here:https://bit.ly/2Uxiv3j

    Alternative reading: http://www.audioaddictsforum.com

  9. #9
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 41,102
    I'm Geoff.

    Default

    I have some new unused poly's I bought forty years ago that look very similar.
    "when common sense, logic and plausibility are excluded. All that remain are foolishness and lies"

  10. #10
    Join Date: Jan 2009

    Location: Essex

    Posts: 20,882
    I'm openingabottleofwine.

    Default

    Ah - so they are polypropylene.
    Barry

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