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Post subject: Recommended diodes 69 twin reverb
Posted: Sun Aug 17, 2014 6:30 am
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Amateur
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Joined: Thu Apr 11, 2013 2:55 pm
Posts: 183
Want to replace all diodes on the rectifier board. ....dont wanna pull the chassis & look ....just wanna order first.
I think there are 5 diodes....one of which is lower power, but i just want order all of them the same.
Any suggestions: (i want to be able to also order maybe a tube or 2 just to pad the order.......hate botherin someone just for a couple bucks worth of diodes).
Thanks


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Post subject: Re: Recommended diodes 69 twin reverb
Posted: Sun Aug 17, 2014 7:18 am
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Rock Star
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Joined: Sat Jul 03, 2010 2:18 pm
Posts: 6544
What I used in the Bassman I redid:

6 X UF5408 = main PSU rectifier. I believe that the 1969 TR has six diodes in the main PSU.

1 X UF4007 = bias supply.

http://www.mouser.com/ProductDetail/Vis ... Fl%252bw==

http://www.mouser.com/ProductDetail/Fai ... BydTRZE%3d

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Post subject: Re: Recommended diodes 69 twin reverb
Posted: Thu Aug 28, 2014 8:35 pm
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Hobbyist
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Joined: Thu Mar 04, 2010 4:52 am
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Location: Connecticut
I used 1N4007 diodes in my twin recently and since I read this thread and done some research I ordered some UF5408 for my amp also.
I think the 1N4007 is OK (1000v) but from what I've read, the UF5408 diodes might be a little quieter.


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