I'm not sure if this is the best place to post this since my question covers multiple components/areas, but it seemed better than multiple posts. Basically a cap job on a MKIVa, Studio Pre and a Fifty/Fifty.
I have a 92 MKIVa that saw regular use up until around 97 then went to sleep in my closet while I wandered off into digital confusion. I've since revisited my love for all things Boogie over the last couple of years and am putting the finishing touches on a rack build with a Studio Preamp and a soon to arrive Fifty/Fifty. My MKIV is just too loud for church even though we rock it pretty hard!
Ive just finished reading the 41 page, (600+) post MKIV sticky thread and several others specifically related to cap life. My MKIV does sound a bit harsh and flubby, considering the caps are all original and sat powered off for 13 years, I don't think they are up to any serious gigging. I plan on going though the tubes, but I think the caps should probably still be revisited.
My Studio Preamp sounds great, but it too has an abundance of years under its belt as does the soon to arrive Fifty/Fifty. I'm thinking wisdom would dictate addressing the caps on those too. I'm on the hunt for schematics to have on hand, but I figure this has been done by so many members, it should be clear what work I have ahead of me.
This is my first time working with caps in a tube amp. I'm very proficient with a soldering iron and should have no problem draining off any residual charges, cleanly removing the old caps and soldering in the new ones. I want 'a tone to die for', but have no desire to die for it... :wink: I guess I am looking for the 123 on exactly what to change for each of these, where to order quality replacements, what to be sure about regarding whether the caps arrive ready to install or need some type of pre-loading/forming to prep the innards...
I just looked in my Studio Pre since I have it out from rolling tubes.
Here's what I found in it.
Large sized blue Mesa caps:
(3) 30uf 500VDC
Med sized orange/black stripe caps:
(2) 220uf 63VDC
Small sized orange/black stripe caps:
(1) 1uf 50v
(1) 10uf 63v
Med sized brown cap (standing up):
(1) 4700uf 16v
There's the usual abundance of orange components (orange drops?) scattered around the board, but I don't think those are caps, or at least the ones I need to consider changing. I'll receive the Fifty/Fifyy next week and be able to post what I find in it.
Thanks in advance!
I have a 92 MKIVa that saw regular use up until around 97 then went to sleep in my closet while I wandered off into digital confusion. I've since revisited my love for all things Boogie over the last couple of years and am putting the finishing touches on a rack build with a Studio Preamp and a soon to arrive Fifty/Fifty. My MKIV is just too loud for church even though we rock it pretty hard!
Ive just finished reading the 41 page, (600+) post MKIV sticky thread and several others specifically related to cap life. My MKIV does sound a bit harsh and flubby, considering the caps are all original and sat powered off for 13 years, I don't think they are up to any serious gigging. I plan on going though the tubes, but I think the caps should probably still be revisited.
My Studio Preamp sounds great, but it too has an abundance of years under its belt as does the soon to arrive Fifty/Fifty. I'm thinking wisdom would dictate addressing the caps on those too. I'm on the hunt for schematics to have on hand, but I figure this has been done by so many members, it should be clear what work I have ahead of me.
This is my first time working with caps in a tube amp. I'm very proficient with a soldering iron and should have no problem draining off any residual charges, cleanly removing the old caps and soldering in the new ones. I want 'a tone to die for', but have no desire to die for it... :wink: I guess I am looking for the 123 on exactly what to change for each of these, where to order quality replacements, what to be sure about regarding whether the caps arrive ready to install or need some type of pre-loading/forming to prep the innards...
I just looked in my Studio Pre since I have it out from rolling tubes.
Here's what I found in it.
Large sized blue Mesa caps:
(3) 30uf 500VDC
Med sized orange/black stripe caps:
(2) 220uf 63VDC
Small sized orange/black stripe caps:
(1) 1uf 50v
(1) 10uf 63v
Med sized brown cap (standing up):
(1) 4700uf 16v
There's the usual abundance of orange components (orange drops?) scattered around the board, but I don't think those are caps, or at least the ones I need to consider changing. I'll receive the Fifty/Fifyy next week and be able to post what I find in it.
Thanks in advance!