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    Early Mark IIB coliseum serials

    The newer caps might have "tightened" it up
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    Early Mark IIB coliseum serials

    That is the same amp. With all the DRG's and coli's we had going that day it must have made an impression for you to remember this modest monster. And fwiw I still say you should try the DC5 if you get a chance. Mitch, did you check those tubes yet? I think I forgot to answer where you can...
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    Early Mark IIB coliseum serials

    I had to pull a short chassis B and this is my only short so here is the Mark that constitutes me poking my head in the mark rabbit hole. I thought I left bread crumbs to find my way out but there must be a mesa mouse following me around. For a 1981 amp (sp 9a) there are 220pF's with a 7 year...
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    Early Mark IIB coliseum serials

    Maybe the 7027A wouldn't work without some modification. My little understanding is the screen (pin 4) is combined with pin 1 (no pin 1 on 6L6GC tube) and grid (pin 5) is combined with pin 6 (no pin 6 on 6L6GC tube). If the sockets are double pinned for screen and grid as intended the 7027A has...
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    Early Mark IIB coliseum serials

    Touching back on the old Marks bias target and using the 6L6GC's 30W for I=P/V the 100% dissipation is 60 mA for 500 plate volts and 666 (x .1) for 450 plate V. It seems a forgone understanding mesa goes with cold tubes comparatively for bias so 70% dissipation is obviously not the "mark." I've...
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    Early Mark IIB coliseum serials

    Service can't be cheap in Leeds.... With what I see of the IIC+ prices most recently and what I know about these way more rare coli beasts I've been expecting at some point the early coli's to lift off. You got people like Jeremy now out there telling the world the B's are actually great after...
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    Early Mark IIB coliseum serials

    Here's a new one for the oddball serials to add to my 58x coli and IIB's K33x double serials- a no serial KRG! It's born on date is 10/7/81: https://reverb.com/item/53308656-mesa-boogie-mark-iib-coliseum-krg-81 I own coli's with 8/26 and 12/28 dates in 1981 which should put this one at about...
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    Early Mark IIB coliseum serials

    Good score Meeotch. At that price for what you get I'd say if you can plug in and play grab it and don't look back. That means the OT is good and anyone that owns old Mesa's and Marshall's owns old iron that can't be replaced. I wouldn't be deterred by a bulging cap or any other issues. As IIB...
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    Early Mark IIB coliseum serials

    Conversely I always meant to pick up the IVb. But for the same price reason I don't feel compelled. No good reason to grab one. Just because. I didn't know there was a IVa fad, justified or not.
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    Early Mark IIB coliseum serials

    This is an example of how I would figure out if I like a IIB: https://www.musicgoround.com/product/41115-S000088939/used-mesa-boogie-mark-iib-1x12-combo-tube-guitar-amp By the time you parted out what looks like a protected Black Shadow 12L, the cab you don't need and the road case you'd be...
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    Early Mark IIB coliseum serials

    I'd have to see if I have pics of my former green stripe head guts. I don't remember the pre amp board. The blue stripe DRG I have has CP1G with a 1984 copyright. A purple stripe I had was CP1F also 1984 copyright. The DRG blue stripes predate the green stripe that took over as D "option" only...
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    Early Mark IIB coliseum serials

    Thanks for catching that so quickly IIB. I used 6L6 (19w) literally in the calculator, not 6L6GC. What IIB said for mA per 6L6GC plate V!
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    !!!!!CRAZY DEAL ALERTS!!!!!

    This isn't a "crazy good deal" per se but this seemed the best place for this: The contemporary (not affinity one) Squire semi-hollow Starcaster. The new ones are $450 in a world where Squire jags this month go for $480 and $600. I have the modern player Coronado and Starcaster and the...
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    I finally get the Badlander- it's voiced like the Rev C.

    One pot on the mesa is all it takes to change that. You could put it out of sight in the chassis and it's prob better there anyway.
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    Early Mark IIB coliseum serials

    Thanks Jeremy. In reverse Q order, The interesting thing is the marketing iirc for Sovtek's 6L6 WXT+ states 20% more power handling than their 5881 WXT which is the STR-425 that mb gives blessing to for high plate V's. I know power doesn't = volts and if it can handle 20% more power but the...
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    I finally get the Badlander- it's voiced like the Rev C.

    But then I would need a full stack of old old greenbacks and that can't be cheap these days.
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    I finally get the Badlander- it's voiced like the Rev C.

    One of these days I'll plug into one of those early wonders. A pre-super and a super lead/bass. I agree the older marks are more wide open and less artifacts. I'm happy with the III's I have and had but the IIB's are my sweet spot. The ED is a good choice to try if you've never heard the...
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    I finally get the Badlander- it's voiced like the Rev C.

    Since there are Marshall folks here and I've never played a super anything (excepting the super delay) what did you guys think of the ED/RA/TA/Stiletto if you tried them? They're all different but I believe are Mesa's california take on a Marshall. I've love them all but not expecting them to be...
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    Early Mark IIB coliseum serials

    Cool- I'd be interested in II-III mostly. So if they got progressively colder would the IIA or the IIB be voiced for hottest tubes? Is that why the power section of the IIB is more beef than the IIC+? The IIA is the hole in my Marks and I've never played one or the OG but I'll finish up the OG...
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    I finally get the Badlander- it's voiced like the Rev C.

    Lmao- I had weened myself to less than 20 before you told me about Charlie's boogies! And weened myself a couple years too soon looking at prices these days.
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