How to re-cap a Bose 901 series III equalizer? [Archive] - Audio & Video Forums

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BCbud
08-07-2010, 11:28 AM
Good day!

Is there any info or links on taking apart and re-caping a Bose 901 series III equalizer? Also how to replace the RCA jacks on the back? I have done many serches here and on the net with no success and any help would be great.

Thanks.

BCbud
08-08-2010, 12:11 PM
Good day!

Well I found no info on how to do this so I dcided to go ahead and do it myself. Here is some pictures of the board with the caps removed. I drew lins on the board to make it easeyer to find the spot when I install the new ones. You can see in the picture EQ C4 C5 where the caps were leaking on the board.

http://s738.photobucket.com/albums/xx23/BCbud_photo/Bose%20EQ/

The only little trick to take it apart was the light lens is installed from the front and held in place with the housing from behind that is slid over the lens flang.

BCbud
08-16-2010, 04:32 PM
Good day!

I finnished replacing the caps and decides to repace the RCA jacks as well. I used a dremmel with a small carbide ball bitt to remove te rivits from the inside to remove the board with the jacks. Since the holes in the back are bigger than the new RCA jacks I used #12 stainless steel washers to make them fit. The washers are not mutch bigger than the holes so care had to be taken to get them centered.The parts where under $20 so it is not an expensive repair and now my speakers sound like they should now. I used some small screws from my remote control cars to fill in the holes where the rivits were and to attach the ground wire.

http://s738.photobucket.com/albums/xx23/BCbud_photo/Bose%20EQ/Bose%20EQ%20Part%202/

dakatabg
08-16-2010, 06:17 PM
Congratulations

trntablz
12-28-2014, 07:19 AM
Great job! Would you be willing to share the capacitor list? I have a series 3 equalizer that I want to re-cap.

BCbud
12-30-2014, 06:46 PM
Great job! Would you be willing to share the capacitor list? I have a series 3 equalizer that I want to re-cap.

The list is in one of these pictures.

Bose EQ Photos by BCbud_photo | Photobucket (http://s738.photobucket.com/user/BCbud_photo/library/Bose%20EQ?sort=4&page=1)