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ecc83 tubes and 12x7 tubes? the same? i am confused

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  • ecc83 tubes and 12x7 tubes? the same? i am confused

    Hi, i am after some new tubes for my recently purchased marshall jcm900. i have my 2 el34 tubes sorted but now i need 3 12x7 tubes. i was just on a website and there are some tubes described as ecc83/12x7. what does this mean? will these tubes be right for my amp?

    as you can tell i am totally new to all of this tube business so please help. thanks
    Michael Kelly Patriot Black w/Rockfield Fat Ass set
    Roland Microcube

    Rotosound Strings

    Shure SM57 mic
    Dunlop Jazz III and Ultex Picks

  • #2
    Re: ecc83 tubes and 12x7 tubes? the same? i am confused

    a 12AX7, an ECC83 and a 7025 are all the same tube
    If you just read a post by The Guy Who Invented Fire please understand that opinions change, mind sets change and as players our ears mature...not to mention our needs grow and change. With that in mind, today I may or may not agree with the post you just read!

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    • #3
      Re: ecc83 tubes and 12x7 tubes? the same? i am confused

      ECC83 is the Euro designation for a 12AX7 tube..
      Amps: 66 Fender BF Pro Reverb Combo,1973 50 Watt Marshall Head,Marshall 4x12 A/V Cab,Vox ToneLab LE,Vox VTH Valvetronix 120 Head,Vox AD 2x12 Cab,Roland Cube 20X

      Guitars: Several Stratocasters,2 Fender Telecasters,Gibson SG Standard,Tokai Love Rock Les Paul,Dean Acoustic.

      Pickups: SD SSL2,SSL5,Twangbanger,Antiquity Surfers,59N,Seth Lover N/B,Dimarzio Fred,Dimarzio VPAF N,Fender Fat 50s,Fralin SP43 Bridge,Brobucker,Antiquity Texas Hot.

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      • #4
        Re: ecc83 tubes and 12x7 tubes? the same? i am confused

        ahh i see, thanks very much guys

        how about el34 valves? are there any other numbers i should look out for that are the same as them?
        Michael Kelly Patriot Black w/Rockfield Fat Ass set
        Roland Microcube

        Rotosound Strings

        Shure SM57 mic
        Dunlop Jazz III and Ultex Picks

        Comment


        • #5
          Re: ecc83 tubes and 12x7 tubes? the same? i am confused

          Originally posted by SepultuRick
          ahh i see, thanks very much guys

          how about el34 valves? are there any other numbers i should look out for that are the same as them?
          EL34/6CA7.....The USA versions are normally bigger and rounder and look more like a 6L6....The EL34 is normally a bit taller but thinner around...

          6CA7 is the US designation for the Euro EL34 tube.
          Amps: 66 Fender BF Pro Reverb Combo,1973 50 Watt Marshall Head,Marshall 4x12 A/V Cab,Vox ToneLab LE,Vox VTH Valvetronix 120 Head,Vox AD 2x12 Cab,Roland Cube 20X

          Guitars: Several Stratocasters,2 Fender Telecasters,Gibson SG Standard,Tokai Love Rock Les Paul,Dean Acoustic.

          Pickups: SD SSL2,SSL5,Twangbanger,Antiquity Surfers,59N,Seth Lover N/B,Dimarzio Fred,Dimarzio VPAF N,Fender Fat 50s,Fralin SP43 Bridge,Brobucker,Antiquity Texas Hot.

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          • #6
            Re: ecc83 tubes and 12x7 tubes? the same? i am confused

            I think there main called el-34, they can be called either valves or tubes.
            Fender MIM Strat 59 trembucker bridge/Super II neck
            Edwards 56' Goldtop 2 x SD P90-1s
            Marshall JCM 900 MKIV 2100 slx
            Marshall JCM 900 1936 Celestion GT-75/Vintage 30 cab,
            Fender Frontman 15g
            Cry Baby
            Boss DS-2
            Boss CE-3
            Danelectro Wasabi

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            • #7
              Re: ecc83 tubes and 12x7 tubes? the same? i am confused

              Originally posted by greendy123
              I think there main called el-34, they can be called either valves or tubes.
              EL34/6CA7

              USA guys call them tubes...
              UK guys normally say "valves"
              Amps: 66 Fender BF Pro Reverb Combo,1973 50 Watt Marshall Head,Marshall 4x12 A/V Cab,Vox ToneLab LE,Vox VTH Valvetronix 120 Head,Vox AD 2x12 Cab,Roland Cube 20X

              Guitars: Several Stratocasters,2 Fender Telecasters,Gibson SG Standard,Tokai Love Rock Les Paul,Dean Acoustic.

              Pickups: SD SSL2,SSL5,Twangbanger,Antiquity Surfers,59N,Seth Lover N/B,Dimarzio Fred,Dimarzio VPAF N,Fender Fat 50s,Fralin SP43 Bridge,Brobucker,Antiquity Texas Hot.

              Comment

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