Home > Ampeg B15NC Project > Gutting the chassis, etc.

Gutting the chassis, etc.

September 27th, 2009 Leave a comment Go to comments

Gutting the chassis was fairly straight forward.  Everything that I planned on reusing was placed in plastic bags and labeled.  This included items such as the control packets, hum control pot, 1/4″ jacks, etc.  The switches looked pretty rough so I’ll be replacing them with the correct models from Carling.  Since this was originally a B15NF, it utilized a printed circuit board.  As such, the tube socket tabs were bent over and soldered to the board.  Several of the tube socket tabs had become brittle, which caused them to break while desoldering them from the board.  Although I hadn’t anticipated this, it turned out to be a good thing.  This forced me to replace all of the sockets with matching NOS sockets.  In addition to installing new tube sockets I also installed a socket so that the amp would be able to use a removable power cord. 

Power cord socket

Power cord socket

Since this amp was so messed up to begin with I’m not concerned about making such alterations.  I’m also considering making the speaker cable removable.

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  1. January 23rd, 2011 at 19:03 | #1

    HELLO,

    I FOUND YOUR SITE VERY INTERESTING. I ALSO HAVE AQUIRED AN OLD Portaflex B-15 THAT IS NOT WORKING. IN TAKING IT APART THE PCB IS FRIED. LOOKS LIKE A PRETTY GOOD SIZE FLARE OUT. BUT EVERYTHING ELSE IS HERE. I HAVE BOTH TRANSFORMERS THEY TESTED O.K.. IM A COMPLETE NOVICE AT THIS BUT IM THINKING OF TRYING MY HAND AT IT. AND, LIKE YOU. MAYBE LEARN SOMETHING IN THE PROCESS. THANKS FOR YOUR INSPIRATION. IT LOOKS GREAT. ARE YOU USEING THE AMP NOW? HOWS IT SOUND? DO YOU HAVE ANY PICS OF THE FINISHED PRODUCT? THANKS T

  2. January 25th, 2011 at 12:44 | #2

    Good luck with your project if you go ahead with it! I’m more of a “wannabee” player than an actual player, so my stuff probably sits unused more than it should. The last time I fired it up it sounded pretty good. I don’t think I have any finished photos of the whole thing yet. I’ll have to try to get some posted.

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