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Hammond Equivalent to Standard 5E3 Power Tranny?


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4/9/2004 1:12 PM
Maccabee
Hammond Equivalent to Standard 5E3 Power Tranny?
I'm thinking that my first 5E3 build will be a Head Version. So, what Hammond Power Tranny would come closet to a Standard 5E3?  
 
Thanks!!!  
 
CR ><>
 
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4/9/2004 7:54 PM
bnwitt
273CZ 325-0-325 150ma  
273DX 350-0-350 90ma  
373BX 350-0-350 175ma  
 
The typical deluxe PT is around 325-0-325 70ma with a 2 amp supply for both the 6.3 volt filament and the 5 volt filament supplies. Any of the three trannies above would do it but I like the lower voltage and higher ma of the 273CZ. Bruce could chime in here as well.
 
4/9/2004 11:14 PM
Maccabee

Won't that 273CZ give you about 455 DC on the plates?
 
4/10/2004 2:30 AM
Matt H

hammond wall voltages are spec'd with a 115V primary, keep that in mind-  
 
they also have models that are 275-0-275 (good for tweed deluxe with SS recto) or 300-0-300 (tube recto). those would probably work much better.
 
4/10/2004 3:22 AM
anonymous
here's the information from Antique Electronic Supply on their replacement PT for the Tweed Deluxe  
 
 
TRANSFORMER, POWER, FENDER REPLACEMENT, 325-0-325 V, 70 mA  
 
Replacement for Princeton, Princeton Reverb, Champ, Vibro-Champ, and Tweed Deluxe. Equivalent to # 125P1B & #022772.  
 
Primary: 117 volt, 60 Hz  
Secondary: 325-0-325 V, 70 mA  
Filament winding 1: 5 V, 2 A  
Filament winding 1: 6.3 V, 2 A  
Mounting centers:  
Weight: lbs.
 
4/10/2004 3:41 AM
bnwitt
http://www.lh-electric.4t.com/vtpsupply.htm  
 
a great site on the rectifier output voltages for both full wave center tapped and full wave bridge.
 
4/10/2004 4:19 AM
bnwitt
"Won't that 273CZ give you about 455 DC on the plates?"  
 
 
Not with a 5Y3 full wave tube rectifier
 

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