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Thread: Koss PRO-4 AA vintage headpones

  1. #51
    Join Date: Jun 2010

    Location: Southampton

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    I'm drunk.


  2. #52
    Join Date: Jan 2009

    Location: Essex

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    Thanks Andy

    I will try all three contacts!

    Regards
    Barry

  3. #53
    Join Date: Feb 2010

    Location: Plymouth, UK

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    Quote Originally Posted by Barry View Post
    The "heavy, sweaty and uncomfortable" phones referred to are, I believe, the Koss ESP-6 electrostatic models, not necessarily the Pro 4AA, which from memory were reasonably comfortable.
    Take it from me Barry...Ive just got my 70's vintage 4AA's out of the cupboard just to try as a comparison against HD650's and they are "heavy, sweaty and uncomfortable" as hell. I thought my HD650 were a bit of a lump but after the 4AA's they are featherweight.....
    If only it was that simple

    Main System :
    Quad II/40 amps, Music First passive pre, Tannoy Stirling SE speakers, Technics 1200 + RB301, V-LPS, digital streaming from Mac mini via Lifatec Toslink to Moon 300D. Meier Corda Arietta headphone amp, Sennheiser HD650 Phones. Mark Grant i/c cables. Speaker cables, Audioquest Rocket 44 BiWire.


    Ray.

  4. #54
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    Quote Originally Posted by jantheman View Post
    Take it from me Barry... Ive just got my 70's vintage 4AA's out of the cupboard just to try as a comparison against HD650's and they are "heavy, sweaty and uncomfortable" as hell. I thought my HD650 were a bit of a lump but after the 4AA's they are featherweight.....
    I'm not doubting you Ray, it's just that compared to the Pro 4AAs the ESP-6s really are "heavy and sweaty".

    It's been a long time since I used Sennheisers: probably the best phones I have used, but even then, the longest time I could wear them was only about half an hour.

    Regards
    Barry

  5. #55
    Join Date: Feb 2010

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    Quote Originally Posted by Barry View Post
    I'm not doubting you Ray, it's just that compared to the Pro 4AAs the ESP-6s really are "heavy and sweaty".
    Regards
    I dont know the ESP's..and from what you say, I'm glad I don't....
    If only it was that simple

    Main System :
    Quad II/40 amps, Music First passive pre, Tannoy Stirling SE speakers, Technics 1200 + RB301, V-LPS, digital streaming from Mac mini via Lifatec Toslink to Moon 300D. Meier Corda Arietta headphone amp, Sennheiser HD650 Phones. Mark Grant i/c cables. Speaker cables, Audioquest Rocket 44 BiWire.


    Ray.

  6. #56
    Join Date: Apr 2009

    Location: Near Saffron Walden, Essex

    Posts: 7,357
    I'm Dave.

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    Quote Originally Posted by Marco View Post
    If the new ones are any good, Dave, would you consider stocking them?

    I'm not sure if you bother with headphones, or if you do, which ones you sell.

    Marco.
    If there was any call for them I would but to be honest, I can't remember when I was last asked for headphones - not even Stax, which I used to have on dem and in stock.

    A similar situation with tuners - it's years since I was asked to supply a tuner...

  7. #57
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

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    Personally, I don't know what all the fuss is about... I'm well used to sweating my tits off wearing a bit of 'rubber'

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

  8. #58
    Join Date: Jan 2009

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    I'm openingabottleofwine.

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    Quote Originally Posted by Marco View Post
    Personally, I don't know what all the fuss is about... I'm well used to sweating my tits off wearing a bit of 'rubber'

    Marco.
    Ha! Wait until you try wearing the Pro 4AAs under that 'gimp mask' of yours!
    Barry

  9. #59
    Join Date: Jan 2009

    Location: Essex

    Posts: 37,696
    I'm openingabottleofwine.

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    Well it would seem that Koss are alive and well. www.koss.com.

    Have just contacted them about having my ESP-6s serviced.





    The Pro 4 range is still in production:


    Pro 4AA, $100,


    Pro 4AAT, $100,

    and the


    Pro 4AAAT, $150.
    Barry

  10. #60
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,460
    I'm AudioAl'sArbiterForPISHANTO.

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    Lol - tell us something we don't know!

    Marco.
    Main System

    Turntable: Heavily-modified Technics SL-1210MK5G [Mike New bearing/ETP platter/Paul Hynes SR7 PSU & regulator mods]. Funk Firm APM Achromat with Nagaoka GL-601 Crystal Record Weight. Isonoe feet & boots. Ortofon RS-212D tonearm with Denon DL-103GL, in a Denon PCL-300 headshell, fitted with Funk Firm Houdini and Kondo SL-115 pure-silver cartridge leads.

    Paul Hynes MC head amp/SR5 PSU. Also modded Lentek head amp and Denon AU-310 SUT.

    Other Cartridges: Nippon Columbia (NOS 1987) Denon DL-103. USA-made Shure SC35C with NOS stylus. Goldring G820 with NOS stylus. Shure M55E with NOS stylus.

    CD Player: Audiocom-modified Sony X-777ES/DAS-R1 DAC.

    Tape Deck: Tandberg TCD 310, fully restored and recalibrated as new by RDE, plus upgraded with heads from the TCD-420a. Also with matching TM4 Norway microphones.

    Preamps: Heavily-modified Croft Charisma-X. Power Amps: Tube Distinctions Copper Amp, fitted with Tungsol KT-150s. Quad 306.

    Cables & Sundries: Mark Grant HDX1 interconnects and digital coaxial cable, plus Mark Grant 6mm UP-LCOFC Van Damme speaker cable. MCRU 'Ultimate' mains leads. Lehmann clone headphone amp with vintage Koss PRO-4AAA headphones.

    Tube Distinctions digital noise filter. VPI HW16.5 record cleaning machine.

    Speakers: Tannoy 15MGs in Lockwood cabinets with modified crossovers. 1967 Celestion Ditton 15.

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