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Blues Jr. mods to get it towards Blackface?

Discussion in 'Amps/Cabs Tech Corner: Amplifier, Cab & Speakers' started by Frank Prince, Dec 2, 2005.

  1. Frank Prince

    Frank Prince Member

    Messages:
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    May 31, 2004
    Location:
    Omaha, NE
    Anyone know any mods to get this amp more towards a Blackface Princeton? More headroom, sweet cleans with volume, great with drive pedals, etc.

    I'm interested in getting one and using it as a clean platform for pedals to use at blues jams and low volume gigs.

    Everything I have found on the net so far points towards getting more gain out of it and making it more "tweedy".
     
  2. Blue Strat

    Blue Strat Member

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    Aug 2, 2002
    Location:
    Sterling, VA (not far from Washington DC)
    You'll get the most mileage by replacing the speaker.

    An upgrade in tubes couldn't hurt.
     
  3. LGPlayer

    LGPlayer Member

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    Dec 3, 2005
    Location:
    Virginia
  4. JohnK24

    JohnK24 Supporting Member

    Messages:
    5,205
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    Dec 9, 2004
    Location:
    North of Pittsburgh, PA
    Here's now...put the Blues Jr. on EBAY and take the funds and buy a black face Fender...

    Sorry, I'm on my 2nd Blues Jr. and you aren't ever going to get a Blackface sound out of this boxy EL84 amp... You can push it into tweedland with the appropriate tube choices and some neat speaker selections...and maybe find a little Vox sparkle in the BJ, but scooped mids with BF tones...nope.

    I don't buy into those Billm mods...I'm read to much of his idea of tone and heard his clips...they all have too much bass and sound lifeless, imho.

    I've been through 6 different speakers in my current BJ (settled on a very good Emi Tonespotter, it's the best I've had) and tried some cool preamp tube choices (mostly V1 will give it a different tonal direction)...the amp is a basic, cheap, blues amps...nothing more , nothing less...a Carmen Ghia, Deluxe Reverb, Marshall 18watter, AC15 it ain't.

    J
     
  5. VintageJon

    VintageJon Member

    Messages:
    155
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    Nov 3, 2005
    Location:
    Austin TX
    Actually the Blues Jr. isn't bad at all IF you install bias control, bias it correctly and change tubes-

    El84"s: MATCHED JJ's biase to around 8.4W IPD
    V1: NOS 12AY7
    V2": Whatever you want/have....
    V3: 12AT7, anything but EH/Sovtek/any rebranded Sovtek.

    This is from experience...

    -Jon
     
  6. esoteric pete

    esoteric pete Supporting Member

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    Mar 22, 2005
    Location:
    east coast
    i was in the same boat, except with my pro jr. the amp was fun, then i got bored with it. too boxy and plain for me. i couldnt find any good mods for it, so i just sent it off to steve @ www.s2amps.com to have him do his 1794x conversion. cant wait to get it back. P2P baby!
     
  7. 1-Take-Wonder

    1-Take-Wonder Member

    Messages:
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    Oct 25, 2005
    Location:
    The ATL
    +1, BF it ain't...really no way to make an 84 sound like a 6L or a 6V. Victoria got as close as you can w/ the Victoriette/lux model, but the best option is to unload or leave it in the corner as a practice amp and buy the blackface sound.
     

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