'67 Deluxe Reverb Preamp tube test

Discussion in 'Amps and Cabs' started by hilldp44, Feb 24, 2015.

  1. hilldp44

    hilldp44 Member

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    Hey guys,

    I've got two killer old 12AX7s and I'm having a hard time decide which I like more in my dripedge deluxe reverb. Here's some samples with roughly the same clip, one is a Mullard and one is a Telefunken.

    (A)
    http://vocaroo.com/i/s0dhbWsuIJ97

    (B)
    http://vocaroo.com/i/s0lN8hynWhgw

    To me (A) has a little more nasal bark and prescence, while (B) is rounder and more compressed. Don't know which I like more.

    What do you guys think?
     
  2. JFGrn

    JFGrn Supporting Member

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    I like "A". It sounds more complex to me. More going on with the tone.
     
  3. Heady Jam Fan

    Heady Jam Fan Member

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    first off - nice playing!

    From my laptop speakers, I think I agree with JFGrn - the first is more interesting and complex, plus it sounds like it would cut through the mix a bit better (more bite).
     
  4. swiveltung

    swiveltung Member

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    I like both, subtle diff for sure. But agree that A has a touch more bite on the top. Of course upping the treble knob a 1/4 of a digit might make the B the same!
     
  5. jonnytexas

    jonnytexas Supporting Member

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    What great tone, my friend. I prefer A also. Seemed a little richer, but can't go wrong either way.
     
  6. teleman1

    teleman1 Supporting Member

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  7. hilldp44

    hilldp44 Member

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    Seems to be unanimously for the Telefunken!
     
  8. gkoelling

    gkoelling Member

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    "B"! Rounder...fatter...
     
  9. hilldp44

    hilldp44 Member

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    A - Telefunken
    B - Mullard
     
  10. ski_fast

    ski_fast Silver Supporting Member

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    I did a similar test in my Emery Superbaby. I have a whole bunch of vintage 12AX7 and every one of them sounded better than the 57-58 long plate Mullards I have. The Mullards are very smooth, too smooth and round in my opinion. But in a harsh sounding amp they would be the way to go. Probably why some people like them in Marshalls. They act to tame the shrill.

    Amperex 12AX7 from the same era are much better sounding tubes in my opinion. Keeping those. They are some of the more lively sounding tubes I have.
     

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