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Thread: Philips GP390 Ceramic cartridge NOS 1970s

  1. #21
    Join Date: Jan 2013

    Location: Bristol

    Posts: 3,068
    I'm Justin.

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    Yeah Jerry and I are playing with our Apart amps now - in synch - but at different venues.

  2. #22
    Join Date: Oct 2011

    Location: Nothamptonshire

    Posts: 142
    I'm Sharif.

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    Later today I'll try the unused GP390 I have in a Rega RB300 on a Thorens TD160 Super and I'll let you know how it sound.

    Then I'll try swapping them over between the Phonosophie and Thorens turntables, I should get some idea of the differences.

    Sharif.

  3. #23
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 70,052
    I'm AudioAl'sArbiterForPISHANTO.

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    That'll be interesting, Sharif. Look forward to reading your observations

    Marco.
    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do". - Milan Kundera.

    "Your validity or worth are not defined or determined by the views of others with their own superimposed agendas". - Pharos (on AoS)

    My system:

    Modified Technics SL-1210MK5G/Mike New high-precision bearing & baseplate/Mike New ETP platter/Bruil record weight/Nagaoka GL602 crystal T/T mat. Paul Hynes SR7EHD PSU (plus regulator modules)/DCSXL pure-silver DC lead. Ortofon RS-212D tonearm/'Speedy Steve' custom-made Ebony armboard. Yannis Tome 423.5 Phono Silver-Litz tonearm cable, with Furutech CF-DIN(R) and Eichmann silver Bullet Plugs. Cartridges: Denon DL-S1 in AT MG-10 headshell with AT-6106 Quattro Hybrid lead-wire. Denon DL-103C1 in '103U' headshell with AT-609 silver lead-wire. Vintage Denon DL-103AU in AT-Ti15ANV Titanium Headshell. Shure M55E in Denon PCL-300 headshell with 6N silver lead-wire. Shure original USA SC35C. Audiocom-modified Sony X-777ES/DAS-R1 transport/DAC. Raspberry Pi-3 Model B and IQaudio Pi-DAC+/Paul Hynes SR3DR-05 linear PSU/Williams Audio NAS linear PSU. Heavily-modified Croft Charisma-X preamp. Stereo Coffee LDR. Head-amp: Paul Hynes design/SR5 PSU. Also modified Lentek. Tube Distinctions 50W Class A P/P Copper amp with cryo-treated Tung Sol KT150s. Speakers: 'Lockwood Majors', using 15" Tannoy Monitor Golds, modified with bespoke crossovers. Also Celestion Ditton 15XRs. Stands: Mana Acoustics (non-magnetic stainless steel 'clones’). Hi-Fi Racks Podium T/T wall shelf. Sony ST-5055L tuner. Cables: Furukawa EE/F-S 2mm & 2.6mm solid-core mains leads, fitted with Furutech FI-50 IECs and FI-1363Rs. Stereo interconnects: Sommer Carbokab 225 (with silver-plated MS Audio non-metallic POM RCAs). Speaker cable: VDH 'The Wind' Hybrid II. Digital coaxial cable: 1m Trompeter Electronics Triax TRC-75-2, with MS Audio ‘Starline' silver-plated RCAs. Mains block: Mark Grant 6-way, modded with Furutech FP-1363R sockets and Furukawa cable. Tube Distinctions digital noise filter. VPI HW 16.5 record cleaner.

  4. #24
    Join Date: Jan 2008

    Location: Forest of Dean, Glos & Cambrian mountains, Wales

    Posts: 8,506
    I'm Jerry.

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    Right.
    Immediate excitement over new amp is now over. Back to the ceramic Philips 390.

    Increased VTF to 2,5g from 1.7g. Couldn't hear a difference.
    Added headshell mass: 2p + blu-tac. Couldn't hear a difference.

    ah well. No matter - will continue letting it run in.

    I'm using my only spare headshell - a tatty, scrawny aged thing. Where have my spares gone? Baffling. Maybe in my mid-Wales ranchette?
    Anyway, hopefully a decent one I ordered 2 days ago will turn up today.
    Getting a fair bit of hum. Not LOUD, but still noticeable. That's with both my Marantz and Audiolab 'stages.

    Also needle talk is very loud!! Well loud for needle talk, not loud loud, if you know what I mean!
    Can't hear it while music is playing at sensible level but very noticeable if the sound is off.

    The sound quality?
    It really is very good. Still a fair bit bright, but excellent detail and image focus. Loads of in-room you-are-there presence. Waaaay beyond its £37.50 price point. Definitely in the multi-£100 league.
    Loads more listening as well as running in to do. I've focused so far on classical choons - but a couple of Yello LPs will get an airing today.
    Jerry

    Main systems:
    Spotify Premium streaming, DAC3 NOS TDA1543. Pure Sound L10 preamp, Pass X150 power amo. Speakers: MBL 116F. Cryo Silver i/c & Western Electric 16GA spkr cables. ProJect and Nordost Magus power cables

    Headphones: Fostex T50RP mk3, AKG 551, JBL Synchros S700, B&O H6, PSB M4U-1, B&O Form 2 & 2a and Sony XBA-H1 & SoundMagic E50 IEM headphones

    2nd system: Spotify Premium streaming / Pioneer DV-535, Audiolab MDAC, Black Cat power amp, Chario Syntar 100T speakers. Headphones: Beyerdynamic DT-150, SoundMagic E10 IEM headphones

    3rd system: Portable CD player, Kinter MA-180 T amp, Klegg Symphony 102 speakers

  5. #25
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 70,052
    I'm AudioAl'sArbiterForPISHANTO.

    Default

    Quote Originally Posted by jandl100 View Post
    Right.
    Immediate excitement over new amp is now over. Back to the ceramic Philips 390.

    Increased VTF to 2,5g from 1.7g. Couldn't hear a difference.
    Added headshell mass: 2p + blu-tac. Couldn't hear a difference.
    Oh well, worth a try!

    Still, that is *most* unusual... Can you think of any other cartridge you've used, which you've done that to, and there hasn't been a difference? I can't.

    A 'tracking force and mass-agnostic' cartridge? Weird, man... Anyway, it sounds good and is a Billy Bargain, so all is well

    Marco.
    "A man is a success if he gets up in the morning and gets to bed at night, and in between he does what he wants to do". - Milan Kundera.

    "Your validity or worth are not defined or determined by the views of others with their own superimposed agendas". - Pharos (on AoS)

    My system:

    Modified Technics SL-1210MK5G/Mike New high-precision bearing & baseplate/Mike New ETP platter/Bruil record weight/Nagaoka GL602 crystal T/T mat. Paul Hynes SR7EHD PSU (plus regulator modules)/DCSXL pure-silver DC lead. Ortofon RS-212D tonearm/'Speedy Steve' custom-made Ebony armboard. Yannis Tome 423.5 Phono Silver-Litz tonearm cable, with Furutech CF-DIN(R) and Eichmann silver Bullet Plugs. Cartridges: Denon DL-S1 in AT MG-10 headshell with AT-6106 Quattro Hybrid lead-wire. Denon DL-103C1 in '103U' headshell with AT-609 silver lead-wire. Vintage Denon DL-103AU in AT-Ti15ANV Titanium Headshell. Shure M55E in Denon PCL-300 headshell with 6N silver lead-wire. Shure original USA SC35C. Audiocom-modified Sony X-777ES/DAS-R1 transport/DAC. Raspberry Pi-3 Model B and IQaudio Pi-DAC+/Paul Hynes SR3DR-05 linear PSU/Williams Audio NAS linear PSU. Heavily-modified Croft Charisma-X preamp. Stereo Coffee LDR. Head-amp: Paul Hynes design/SR5 PSU. Also modified Lentek. Tube Distinctions 50W Class A P/P Copper amp with cryo-treated Tung Sol KT150s. Speakers: 'Lockwood Majors', using 15" Tannoy Monitor Golds, modified with bespoke crossovers. Also Celestion Ditton 15XRs. Stands: Mana Acoustics (non-magnetic stainless steel 'clones’). Hi-Fi Racks Podium T/T wall shelf. Sony ST-5055L tuner. Cables: Furukawa EE/F-S 2mm & 2.6mm solid-core mains leads, fitted with Furutech FI-50 IECs and FI-1363Rs. Stereo interconnects: Sommer Carbokab 225 (with silver-plated MS Audio non-metallic POM RCAs). Speaker cable: VDH 'The Wind' Hybrid II. Digital coaxial cable: 1m Trompeter Electronics Triax TRC-75-2, with MS Audio ‘Starline' silver-plated RCAs. Mains block: Mark Grant 6-way, modded with Furutech FP-1363R sockets and Furukawa cable. Tube Distinctions digital noise filter. VPI HW 16.5 record cleaner.

  6. #26
    Join Date: Oct 2011

    Location: Nothamptonshire

    Posts: 142
    I'm Sharif.

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    I now remember how I settled on 2.1g it was to track a hot cut drum & bass record.

    Last night I tried tracking at different VTF from 1.7 - 2.5g and the sound did not change.

    There is a small tilt in the bass of about -1.5db @ 50Hz above 500Hz the GP390 has a flat response up to the tip resonance of 15.5kHz it then rises to about +1db to 20kHz.

    Jerry I could send you a passive adaptor to correct the -1.5db bass loss this will bring a more balance sound, this is what I use to correct the bass drop.

    It plug’s in between your phonostage and your preamp as I don’t think you will be able to compensate for it using a tone control.

    Sharif.

  7. #27
    Join Date: Jan 2008

    Location: Forest of Dean, Glos & Cambrian mountains, Wales

    Posts: 8,506
    I'm Jerry.

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    Quote Originally Posted by Audioflyer View Post
    I now remember how I settled on 2.1g it was to track a hot cut drum & bass record.

    Last night I tried tracking at different VTF from 1.7 - 2.5g and the sound did not change.

    There is a small tilt in the bass of about -1.5db @ 50Hz above 500Hz the GP390 has a flat response up to the tip resonance of 15.5kHz it then rises to about +1db to 20kHz.

    Jerry I could send you a passive adaptor to correct the -1.5db bass loss this will bring a more balance sound, this is what I use to correct the bass drop.

    It plug’s in between your phonostage and your preamp as I don’t think you will be able to compensate for it using a tone control.

    Sharif.
    Ah - so I am not going deaf, Sharif, you agree that the sound really does not change with VTF! Phew.

    Thank you for the offer of the bass loss adaptor - I shall PM you my address!
    Jerry

    Main systems:
    Spotify Premium streaming, DAC3 NOS TDA1543. Pure Sound L10 preamp, Pass X150 power amo. Speakers: MBL 116F. Cryo Silver i/c & Western Electric 16GA spkr cables. ProJect and Nordost Magus power cables

    Headphones: Fostex T50RP mk3, AKG 551, JBL Synchros S700, B&O H6, PSB M4U-1, B&O Form 2 & 2a and Sony XBA-H1 & SoundMagic E50 IEM headphones

    2nd system: Spotify Premium streaming / Pioneer DV-535, Audiolab MDAC, Black Cat power amp, Chario Syntar 100T speakers. Headphones: Beyerdynamic DT-150, SoundMagic E10 IEM headphones

    3rd system: Portable CD player, Kinter MA-180 T amp, Klegg Symphony 102 speakers

  8. #28
    Join Date: Mar 2008

    Location: Dunfermline, Scotland, UK

    Posts: 12,143
    I'm inthescottishmafia.

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    Sharif, what is this adaptor please, do you have a link?
    There are times when you can’t do the sensible thing, when you can’t act like a responsible adult at all; you just have to do whatever insane thing comes into your head. When bad people do it they end up murderers, when good people do it they end up heroes, and when the rest of us do it we end up looking like total idiots. But when’s that ever stopped us?

  9. #29
    Join Date: Jan 2013

    Location: Bristol

    Posts: 3,068
    I'm Justin.

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    Quote Originally Posted by jandl100 View Post
    Ah - so I am not going deaf, Sharif, you agree that the sound really does not change with VTF! Phew.

    Thank you for the offer of the bass loss adaptor - I shall PM you my address!
    I'm with Marco - 2p piece some blu tak and no change in sound? Baffles me.

    That sort of thing will quite radically alter resonance. Strange indeed.
    Last edited by User211; 24-03-2016 at 18:31. Reason: Duff post WRT quotes/typos etc
    In the cup - Sulawesi Tana Toraja Kalosi Washed Typica A - Indonesia.

  10. #30
    Join Date: Oct 2011

    Location: Nothamptonshire

    Posts: 142
    I'm Sharif.

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    Quote Originally Posted by Ali Tait View Post
    Sharif, what is this adaptor please, do you have a link?
    It's a home made adaptor the only penalty is a small insertion loss, I've attached the circuit here.



    Sharif.

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