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 Post subject: Baldwin PC model S amplifier
PostPosted: Apr Fri 17, 2009 3:34 pm 
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Joined: Jul Fri 18, 2008 10:02 am
Posts: 1492
Location: near ST Louis Mo
Hi ,

I need a better coppy of a schematic of this amp , would appreciate if some one could point me the right direction .

http://s10.photobucket.com/albums/a148/ ... amber_.jpg .

I want to make some changes ,but would be nice to know what i'm looking at . The previous owner left large muddy foot prints inside . His name was Rex Eveverything :wink: .

Mark


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 Post subject:
PostPosted: Apr Fri 17, 2009 4:08 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 2388
Location: Seattle WA US
I have a Baldwin schematic labeled "PB Amplifier" Model 45 which looks the same as your link, except for the power and output cabling. This amp has pushpull parallel 6L6's in the same circuit.

I have scanned it and could email it........but you don't have an email address in your profile.....

--Chuck


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 Post subject:
PostPosted: Apr Sat 18, 2009 11:27 pm 
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Joined: Jul Fri 18, 2008 10:02 am
Posts: 1492
Location: near ST Louis Mo
Hi Chuck ,

Thank You For The readable schematic .

Mark


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 Post subject:
PostPosted: May Thu 21, 2009 11:03 pm 
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Joined: Jul Fri 18, 2008 10:02 am
Posts: 1492
Location: near ST Louis Mo
Hi ,

Been working on the baldwin amp, wanted to put the huge power transformer to full use ,as it powered all the tubes in the organ .So I modified it from pushpull parallel 6L6G's to PPP 6550 and an AnTek At 1008 toriod output transformer that is good for 100 watts . The amp now uses four 6550's ,two 5U4GB's and a 6SL7.
Heavyer power cords and heyco gorment are on order .

Mark

Here is a link to photo of what the looked like before I traded Rex everything out of two .

http://www.audiokarma.org/forums/showth ... p?t=197798

Here is what they look like now .

Image

Image


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