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    Tubemeister Deluxe 20 Tube replacement?

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    redcorrade

    Posts : 2
    Join date : 2017-08-09

    Tubemeister Deluxe 20 Tube replacement?

    Post by redcorrade on Wed Aug 09, 2017 10:01 pm

    Hi guys, I am using a Gibson LP Tribute into the Deluxe 20 hooked up to a Jet City cab.
    I'm finding it to brittle and trebly! I never use the lead channel as it's way too harsh.

    1. Would it help to change the cab? I can't afford a new cab right now but I have an Eminence GB128 speaker knocking about that i could use to replace the stock speaker (Eminence custom) in the cab.

    2. Or would it be better to replace the tubes?
    I am looking for a warmer, softer tone.
    If so, which tubes (pre and output) would you guys recommend. I need a cleaner tone that i can drive just a little.

    Cheers!
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    bordonbert

    Posts : 776
    Join date : 2015-01-28
    Age : 97
    Location : Southern England

    Re: Tubemeister Deluxe 20 Tube replacement?

    Post by bordonbert on Thu Aug 10, 2017 7:45 am

    Rolling Eyes Dooohhh! Here it comes again. No, not anything to do with you Redcorrade.

    Speaker choice is the number one issue with this problem in the H&K GMs. You are not alone in what you are finding, brittle and trebly, and the only real thing you can do to make a big difference is to play with alternative speakers. I went from Celestion 2 x 1x12 Vintage 30s to Celestion G12M Greenbacks in a late 1960s Marshall 4x12 and got closer to being smooth but others have their favourites too, even some who love that V30 brashness.

    Surprisingly the H&K cabs use V30s too but they are specially voiced for H&K so would seem to be very different. The H&K cabs I have heard in reviews do seem to give the amp a lot more at the bottom end but I'm still not 100% sure about the top end.

    Valves will make a very little real difference though some of that is helping with the roughness, and there are some who feel that is "massively better, like a new amp". For me and most of the old timers around here that is largely overstatement but others will disagree I'm sure. Once you have put in something like a set of JJs, common or garden cheap and reliable, I feel there is nothing to be gained by counting the number of valve manufacturers that can dance on the head of a pin. By that I mean there are only tiny differences between other manufacturers. If you can't measure it you can't really hear it, if you can really hear it you must be able to measure it! Others love to spend their day (and cash) putting in other bottles and being bowled over by the improvement. Depends which camp you fall into as to whether you feel it will help you or not.

    This issue is a common one for all of the GM and TM models so look in the GM36 forum at the valve swapping thread there and make sure to dig back to the middle pages where VoodoJeff reports a very interesting exercise involving Wathen Cryo Valves at £100+ each!
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    redcorrade

    Posts : 2
    Join date : 2017-08-09

    Re: Tubemeister Deluxe 20 Tube replacement?

    Post by redcorrade on Thu Aug 10, 2017 8:17 am

    Thanks for response! I'll try swapping out the speaker, or plugging my head into some different cabs at our rehearsal rooms.
    Thanks again!

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