The Boogie Board

Discussion Forum for Mesa Boogie Products
It is currently Mon Dec 10, 2018 2:58 pm

All times are UTC - 6 hours [ DST ]




Post new topic Reply to topic  [ 2 posts ] 
Author Message
PostPosted: Mon Nov 06, 2017 2:41 pm 
Offline
Mark III

Joined: Tue Sep 20, 2011 11:15 am
Posts: 191
Hi folks.
Could any of the more knowledgeable guys on here please tell me what I would need to have done to an SOB 60 watt combo to make into a mark 1 or as close as possible?
Mine has the limit control which I never use.I would like to have a presence control added too in place of the limit control.
I'm not familiar with the differences in circuits but other than getting rid of the limit control or having it replaced with a presence control(Which a few of these amps actually had)what else would need to be changed to the pre amp to make it more like a Mark 1?
It's got a great clean sound but the overdrive(input 1)doesn't sound that great.I've tried some NOS preamp tubes.
Any help would be greatly appreciated as this is something I've been wanting to have done for a while now.


Top
 Profile  
 
PostPosted: Tue Nov 07, 2017 6:21 pm 
Offline
Mark II

Joined: Tue Mar 25, 2014 10:14 pm
Posts: 96
Location: New York City
It's relatively straight forward... PI circuit and maybe some plate voltage changes. Some SOB's have both Presence and Limiter...

This thread should give you a hand...

http://music-electronics-forum.com/t21856/


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 2 posts ] 

All times are UTC - 6 hours [ DST ]


Who is online

Users browsing this forum: No registered users and 13 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum

Search for:
Jump to:  
Powered by phpBB® Forum Software © phpBB Group