Presonus Blue Tube

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TooLoFi
gettin' sounds
Posts: 129
Joined: Mon Sep 01, 2003 3:36 pm

Presonus Blue Tube

Post by TooLoFi » Tue Mar 14, 2006 2:56 pm

Hey folks. I have one of these units. It's noisy and basically useless to me right now. I want to do a couple of things. I want to replace the tube, but I also want to fuck with the circuit. Anyone had any luck with these? At worst, I'll send it to Matt at Black Lion, but since it is not a unit I'm using, I figure there is no harm in experimenting on my own. Thanks ya'll.

Greg
going one way down a wrong way street

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eeldip
dead but not forgotten
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Post by eeldip » Tue Mar 14, 2006 3:08 pm

i thought those were surface mount? thats difficult stuff to mess with for beginners like me and maybe you.

matyas
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Post by matyas » Wed Mar 15, 2006 4:17 pm

I cracked mine open once to peek around. The tube looks to be swappable, but I think the opamps are surface-mounted; no messing around going on there. And since I'm pretty sure this is a starved-plate design, I'm not sure how much difference in sound you're going to get by replacing the tube.

TooLoFi
gettin' sounds
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Joined: Mon Sep 01, 2003 3:36 pm

Post by TooLoFi » Wed Mar 15, 2006 5:58 pm

I'm not against cutting out an op-amp if there is a better replacement. I assume there is something else making the circuit noisy though
going one way down a wrong way street

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