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Thread: Phonostage Bake-Off - 08/07/18 - Penkridge *NOW CONFIRMED*

  1. #11
    Join Date: Jan 2008

    Location: South West England

    Posts: 945
    I'm Guy.

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    I'd need to check whether I'm free. July gets busy with family commitments.

    The level matching is crucial but you'll also need to decide whether this is an MM shoot out or MC. Some stages like the Paradise are only MC if memory serves.

  2. #12
    Join Date: Oct 2012

    Location: The Black Country

    Posts: 4,271
    I'm Alan.

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    Has anyone got a test record with continuous tones on it?

    I can bring an oscilloscope so levels can be accurately matched.

  3. #13
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 5,863
    I'm Oliver.

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    Quote Originally Posted by pure sound View Post
    I'd need to check whether I'm free. July gets busy with family commitments.

    The level matching is crucial but you'll also need to decide whether this is an MM shoot out or MC. Some stages like the Paradise are only MC if memory serves.
    It'll be MC but if someone wants to throw an MM stage in, maybe FB could provide a standardised Head amp for he day? I'll have to look into it.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK5 tonearm > Ortofon Kontrapunkt b > Wizard Jfet MC Valve Phonostage (Telefunken & Tesla Valves)
    Digital: NONE
    Amplification: Nelson Pass DCB1 & Monarchy Audio SM-70 Class A Amplifier
    Cables: Fisual S-Flex Speaker Cable & SPOTFIRE IC Cables & NEW SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

  4. #14
    Join Date: Jan 2008

    Location: South West England

    Posts: 945
    I'm Guy.

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    The other thing it'd be handy to check would be the Eq accuracy. A noise source (test CD) & an accurate inverse RIAA are needed. Also some means of capturing the output.

    I've a friend who has a lovely, lush sounding, home built LCR stage. He knows that it deviates from the prescribed curve quite a bit but sounds so sweet as is, he has no inclination to change it & I've heard plenty of 'accurate' stages that sound far worse! That kind of deviation can make a stage stand out, often favourably.

  5. #15
    Join Date: Sep 2014

    Location: brighton uk.

    Posts: 3,356
    I'm jamie.

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    the nak has both mm and mc,i can also bring the denon ha500 head amp too.
    My System/ Yamaha NS1000M speakers ,Pioneer PLC-590 turntable,Pioneer PA-5000,Alphason HR-100S-MCS,Zeta tonearms,Denon 103SA Cartridge's,Denon HA-500 Head Amp, John Wood KT88 Valve Amp,Sony 700ES Amp,Sony X555ES CD Player, Nakamichi ca5 pre amp ,

  6. #16
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 5,863
    I'm Oliver.

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    Quote Originally Posted by pure sound View Post
    The other thing it'd be handy to check would be the Eq accuracy. A noise source (test CD) & an accurate inverse RIAA are needed. Also some means of capturing the output.

    I've a friend who has a lovely, lush sounding, home built LCR stage. He knows that it deviates from the prescribed curve quite a bit but sounds so sweet as is, he has no inclination to change it & I've heard plenty of 'accurate' stages that sound far worse! That kind of deviation can make a stage stand out, often favourably.
    Ok, RIAA curve accuracy probably would be a good measurement. I don't want to get too scientific though as often the best judgment is with the ears.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK5 tonearm > Ortofon Kontrapunkt b > Wizard Jfet MC Valve Phonostage (Telefunken & Tesla Valves)
    Digital: NONE
    Amplification: Nelson Pass DCB1 & Monarchy Audio SM-70 Class A Amplifier
    Cables: Fisual S-Flex Speaker Cable & SPOTFIRE IC Cables & NEW SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

  7. #17
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 5,863
    I'm Oliver.

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    Quote Originally Posted by jamie123 View Post
    the nak has both mm and mc,i can also bring the denon ha500 head amp too.
    Good bit of kit that is. Yup, no harm it being here mate.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK5 tonearm > Ortofon Kontrapunkt b > Wizard Jfet MC Valve Phonostage (Telefunken & Tesla Valves)
    Digital: NONE
    Amplification: Nelson Pass DCB1 & Monarchy Audio SM-70 Class A Amplifier
    Cables: Fisual S-Flex Speaker Cable & SPOTFIRE IC Cables & NEW SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

  8. #18
    Join Date: Jan 2008

    Location: South West England

    Posts: 945
    I'm Guy.

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    Quote Originally Posted by Bigman80 View Post
    Ok, RIAA curve accuracy probably would be a good measurement. I don't want to get too scientific though as often the best judgment is with the ears.
    Quite agree. It has to be fun but it's surprisingly easy to be swayed by frequency response deviations and unmatched levels. For it to be a meaningful exercise there needs to be some control even if any odd measurements are referred to & acknowledged in the subsequent discussion.

  9. #19
    Join Date: Apr 2012

    Location: Southall, West London

    Posts: 36,203
    I'm Geoff.

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    I'm not sure expectations at a bake off are likely to quite be the same as those from laboratory condition trials.

  10. #20
    Join Date: Nov 2015

    Location: Wolverhampton

    Posts: 5,863
    I'm Oliver.

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    Quote Originally Posted by walpurgis View Post
    I'm not sure expectations at a bake off are likely to quite be the same as those from laboratory condition trials.
    I see the value in it but let's be honest, it's more about the listening and enjoying. After all, that's what we do at home. Feel free to measure anything the owner give permission to, I wouldn't deprive anyone of any information they wanted to gain from the day.
    Analogue: Technics SP10 MK2 > Phonomac AT-1010 MK5 tonearm > Ortofon Kontrapunkt b > Wizard Jfet MC Valve Phonostage (Telefunken & Tesla Valves)
    Digital: NONE
    Amplification: Nelson Pass DCB1 & Monarchy Audio SM-70 Class A Amplifier
    Cables: Fisual S-Flex Speaker Cable & SPOTFIRE IC Cables & NEW SPOTFIRE Tonearm cable
    Speakers: Pioneer CS-77A

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