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Thread: step up transformers and active head amps

  1. #51
    Join Date: Jan 2008

    Posts: 544

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    Quote Originally Posted by pure sound View Post
    however, even then I prefer the sound of a good transformer coupled amp!
    I can understand that and I think it is the same distortion characteristic as valves, those that like valves like transformers. Some early tranny amps like the Rogers had transformers and ? (forgotten the name, the big US company that makes expensive bling things and a ridiculous turntable that looks like record player with an amp front on it) put them in deliberately in solid state amps to get that distortion character. Some people also swear by using output caps like in the early germanium based tranny amps, different distortion. And IMO that is why you cannot get everything in any product, you have to prioritise / compromise. And that is why so many people go around the circle looking for niavana and end up back where they started.

    My priority would say that I don't like transformers they *block* what I am looking for from music, it is like the choice of a specific musical instrument, you look for its timbre, well as far as I am concerned hi-fi design is largely like musical instrument design, you have to compromise and prioritise a series of parameters, go for one and you normally diminish another, you create a timbre. A classic example is what Gromit is finding in the Naim. Big power supplies with overlarge caps and a DC amplifier as complex as the following AC amplifiers as regulation. Overkill PSU design, well it gives you an amp that gives you timing and presence to kill for, but irritates in equal proportion in lack of detail, lack of space, lack of colour. You pays yer money and you takes yer choice. Well IMO valves and transformers are just another compromise and choice. The problem is the sheep and bandwagon mentality of the audio fraternity, they don't want to make their own choice, they want others to do it for them. They want magazines and experts to tell them they have made a good choice or they fret and don't trust their own judgement. This has created the BIGGEST problem in the hi-fi industry, the bullshit rip off retailers, reviewers and marketing men all trying to compete to tell you they are / know best and everything else is crap. They need to be stood up to and told to shut up!

    Well valve amps are just becoming the new flat earth, that was wrong (and right) and valves are right (and wrong). Earlier in my posting on this forum I talked about creating a clique of the open minded, is it possible I doubt it, all we get are sheep and camp followers with a few Gromits and Jerry's in between.

    Rant over!

  2. #52
    Join Date: Jan 2008

    Location: S.E. Wales

    Posts: 254

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    Quote Originally Posted by Richard View Post
    Well ask any valve amplifier designer and if he is being honest and not following the marketing path, he will tell you that he would much prefer to use valve active stages than a transformer, but he can't!!!
    The chap that's building my valve phono/line stage made the same comment, and yet I went against his advice and plumped for MM to go with my tranny. Will definately give this a go in the future though, with a continuous run of cable from headshell to active speakers.

  3. #53
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

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    I hear what Richard is saying, and it makes absolute sense, but I still believe that a properly matched transformer and cartridge (designed together by the same manufacturer) offers the best overall performance. That is what my ears tell me.

    Yes, of course it's all about compromises, but I simply haven't heard an active MC stage that can make my Denon DL-103 Pro sound as good as my Auditorium 23 step-up transformer and MM valve phono stage, so one can only comment from relevant experience.

    If Richard can show me (and let me hear) an active MC stage that he thinks would make my DL-103 sound better than the A23 transformer, which was optimised to be used with the 103 Pro, and my all-valve Croft MM phono stage, then I'm all ears!!

    Marco.

  4. #54
    Join Date: Jan 2008

    Posts: 544

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    Quote Originally Posted by Marco View Post
    I hear what Richard is saying, and it makes absolute sense, but I still believe that a properly matched transformer and cartridge (designed together by the same manufacturer) offers the best overall performance. That is what my ears tell me.

    Yes, of course it's all about compromises, but I simply haven't heard an active MC stage that can make my Denon DL-103 Pro sound as good as my Auditorium 23 step-up transformer and MM valve phono stage, so one can only comment from relevant experience.

    If Richard can show me (and let me hear) an active MC stage that he thinks would make my DL-103 sound better than the A23 transformer, which was optimised to be used with the 103 Pro, and my all-valve Croft MM phono stage, then I'm all ears!!

    Marco.
    You know where it is and what to buy

    AND if you don't like it return it for full refund including your postage/shipping costs and I will throw in a little pressy you can keep which ever way.

  5. #55
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

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    I presume then it's one of your own designs?

    Send me one to audition then (I don't do the 'buy it now refund it later' thing - sorry). I'll compare it to what I use now and review it on the forum. Treat it as you would if you were submitting it to a hi-fi magazine for reviewing. Once I've listened to it and reviewed it I'll return it to you (or buy it if I prefer it to what I use now). This will be great publicity for you if your phono stage is as good as you say it is!

    Marco.

  6. #56
    Join Date: Jan 2008

    Posts: 544

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    Quote Originally Posted by Marco View Post
    I presume then it's one of your own designs?

    Send me one to audition then (I don't do the 'buy it now refund it later' thing - sorry). I'll compare it to what I use now and review it on the forum. Treat it as you would if you were submitting it to a hi-fi magazine for reviewing. Once I've listened to it and reviewed it I'll return it to you (or buy it if I prefer it to what I use now). This will be great publicity for you if your phono stage is as good as you say it is!

    Marco.
    Nope.

    I do not supply for review, especially not to forum admins

    But Gromit just borrowed my development one, and as long as it doesn't start motorboating again you can ask him to review it.

    PS - how is it great publicity to promote to 150 members including such delights as plastic grinder - only kidding I love your forum really, well to tell the truth it is the only one that will have me

  7. #57
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

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    No problem, Richard, that's fine.

    However, we're still no further forward then with regard to you proving to me that your active MC phono stage is better than my valve MM stage/MC step-up transformer combo.

    With the greatest respect to Gromit I know nothing of how his system sounds or what his sonic priorities are, so short of curiosity factor him reviewing your phono stage would be meaningless to me as I have no known benchmark from which to judge.

    If you're ever in the North Wales/Chester area you're more than welcome to drop by and we can do the comparison then, or I could come to you? Otherwise we'll get nowhere with this debate

    150 members? Tut tut, pay attention...we have 165 now! - the biggest percentage of which are active, and that's not including the 100s of Guests we get looking in daily. It's not only members who read the forum.

    Remember we've only been going for 7 weeks. The forum is extraordinarily busy considering the size of the membership. Trust me, The Art of Sound will in time grow to become one of the major and most influential forums in the UK. We have big plans for this place, so behave yourself (we enjoy your contributions) and you'll be part of something special

    Marco.

  8. #58
    Join Date: Jan 2008

    Posts: 544

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    Quote Originally Posted by Marco View Post

    Remember we've only been going for 7 weeks. The forum is extraordinarily busy considering the size of the membership. Trust me, The Art of Sound will in time grow to become one of the major and most influential forums in the UK. We have big plans for this place, so behave yourself (we enjoy your contributions) and you'll be part of something special

    Marco.
    I never behave myself. From the boy scouts onward I have been thrown out of everything I join. And the more I am told to behave the more prativeny* I become (*Russian word that describes it perfectly - nearest translation in English is "pain in the arse")

  9. #59
    Join Date: Jan 2008

    Location: Wrexham, North Wales, UK

    Posts: 110,487
    I'm AudioAl'sArbiterForPISHANTO.

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    I never behave myself. From the boy scouts onward I have been thrown out of everything I join. And the more I am told to behave the more prativeny* I become (*Russian word that describes it perfectly - nearest translation in English is "pain in the arse")
    Yes, this we know!!

    I like people who are different - 'characters', as I believe they are affectionately referred to. I'm one myself! This is the reason that despite your somewhat obstreperous personality you have remained a member here

    "Prativeny" - I like the description; I'll keep it for future reference.

    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.

  10. #60
    Join Date: Jan 2008

    Location: Norfolk, UK

    Posts: 6,258
    I'm BigBobJoylove.

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    Quote Originally Posted by Richard View Post
    ...From the boy scouts onward I have been thrown out of everything I join....
    Hehehehe, you surprise me mate.

    Quote Originally Posted by Richard View Post
    ...well to tell the truth it is the only one that will have me
    You're still here, that shows we must like you.

    By the way, I love the muppet avatar - made me chuckle when I first saw it. You will be a senior member in a few posts time actually.

    Lounge:
    Samsung QE65QN80F 65" QLED TV
    Echo Link streamer
    RME Audio ADI-2 FS (AK4493) DAC
    XMOS DSD Async
    Emotiva A2+ power amplifier
    Neat Motive SX1 speakers
    Van Damme 4.00mm tour grade speaker cable
    Nakamichi Fanlock banana plugs
    Chord Clearway XLR interconnects
    Audioquest Crimson USB interconnect
    QED Quartz Reference optical interconnect


    Studio:
    2022 MacBook Pro 14" M1 Pro 10/16/16/16
    SMSL DAC
    Modified Fosi P4 preamp
    Adam Audio T5Vs
    Fenton 10" active sub
    Roxel RBS 300s
    Several valve preamps

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