Don’t Blow that Tranny by David Jung

Discussion in 'Radio Circuits, Repair & Performance' started by W9GB, Feb 22, 2019.

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  1. W9GB

    W9GB Ham Member QRZ Page

    Transformers and Amplifier Tone
    Sergio Hammerik, founder of Mercury Magnetics
    Vintage Guitar, July 2009
    https://mercurymagnetics.com/pages/news/VGmag/VGJul09Hamernik.pdf
    Vintage Guitar, August 2009
    https://mercurymagnetics.com/pages/news/VGmag/VGAug09Hamernik.pdf

    Don’t Blow that Tranny! Part 1
    (unedited version)
    by David Jung, May 2011
    https://mercurymagnetics.com/pages/news/VGmag/VGMay11SHinterview.pdf

    Don’t Blow that Tranny! Part 2
    (unedited version)
    by David Jung, June 2011
    https://mercurymagnetics.com/pages/news/VGmag/VGJune11.pdf

    Don’t Blow that Tranny! Part 3
    (published version)
    by David Jung, July 2011
    https://mercurymagnetics.com/pages/news/VGmag/VGJul11Hamernik.pdf
     
  2. KD8DEY

    KD8DEY Ham Member QRZ Page

    ??!!....
     
    WR2E likes this.
  3. G3YRO

    G3YRO Ham Member QRZ Page

    As a guitarist, I found that all quite interesting reading . . .

    It makes me laugh when "Hi Fi buffs" rave about Valve amplifiers these days (and pay a fortune for them) . . . in reality, they can never match a good quality transistor amp, as the output transformers that they require will never have a perfectly flat frequency response. So they add colouration of various sorts . . . so it is no longer true hi-fi.

    HOWEVER . . . amplifiers for electric Guitars HAVE to be valve amps to get a proper sound ! You overdrive them to get distortion . . . but the distortion products from a valve amp are completely different to a transistor amp (which sounds awful when overdriven).

    Roger G3YRO
     
  4. WR2E

    WR2E Ham Member QRZ Page

    Quite a bit of 'audiophoolery' in those articles... but fun to read in spite of the silliness.
     
  5. WD0BCT

    WD0BCT Premium Subscriber QRZ Page

    It's the "colorization" that makes music sound good. Very few really listens to true Hi Fi.. It's too sterile and does not bring back memories of listening to tube amps.
     
  6. KD0CAC

    KD0CAC Ham Member QRZ Page

    I was told to blame the audio-phools for the high price we have to pay for tubes - dirty buggers ;)
     
    WR2E likes this.
  7. WR2E

    WR2E Ham Member QRZ Page

    I've heard a few of the new 'digital' amps that sound pretty good... DSP used to get the 'tone' of the old guitars and amps. I really wonder if anyone could tell the difference in a 'blind test'?
     
  8. KD0CAC

    KD0CAC Ham Member QRZ Page

    I'm definitely a layman in electronics , but the idea I had about the tube vs. transistor / analog vs. digital , was that if the digital had enough depth & width of processing power , it could be at least equal / if not surpass analog .
    The idea being the number of sample points in the processor , but that depends on the builder & how much money they put into the processor , enough short-cuts and digital really sucks - like cell phones ;)
    Ever heard that over time , the limited frequency range of cell phone - our brains start filling in the missing bits / bites and now we think we heard it all - we are being fooled .
     
  9. AA7QQ

    AA7QQ Ham Member QRZ Page

    Dang... I thought it was a Frank Zappa song.... Maybe from Joe's Garage Side 4...…

    Ed
     
    AD5HR, WR2E and KJ4VTH like this.
  10. W5INC

    W5INC XML Subscriber QRZ Page

    In B4 the AXE drops on this interesting thread! There is no end to doing RIGHT. :)
     

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