Recent content by Alphablok
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Tube amp power supply question
I managed to get ahold of a guy who collects military communication equipment, and he shot me a schematic, which identified all of the pins, and provided all sorts of other good info http://www.navy-radio.com/rcvrs/ww2/rdz/rdz-ps-01.JPG http://www.navy-radio.com/rcvrs/ww2/rdz/rdz-ps-03.JPG...- Alphablok
- Post #15
- Forum: Electrical Engineering
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Tube amp power supply question
Hey if you want it, I'm reselling it. I love reflex enclosures, it's just he's got 4x12 cabinets instead of acoustically optimized enclosures.- Alphablok
- Post #14
- Forum: Electrical Engineering
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Tube amp power supply question
I got that quote from a guy who worked on the sputtering process for Westinghouse in the 1970s haha. He said i should just buy a different xfmr too (individual plate and filament xfmrs). I was really looking forward to having this one in there, but ohwell I suppose.- Alphablok
- Post #12
- Forum: Electrical Engineering
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Tube amp power supply question
That D.C. has to mean something other than direct current. there is just no way that there are any rectifiers in that box, because there's no room for tubes powerful enough, and transistors were not invented at the time.- Alphablok
- Post #10
- Forum: Electrical Engineering
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Tube amp power supply question
Yeah, the piece of equipment that the trafo was from was equipped with tube rectifiers. I'm not building it for me, but yeah, it's a guitar amp. The guy wants 4x6550 and unfortunately the customer is always right, even though 40watts is beyond loud enough. he's one of the many people that...- Alphablok
- Post #3
- Forum: Electrical Engineering
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Tube amp power supply question
I have a US Navy "Plate and Filament Transformer" Manufactured by Hudson American Corporation. This monster weighs 14.5lbs, and is in a sealed steel casing. My output trans weighs 15.5lb as well. There are 16 unlabeled terminals, and I'm working to identify those. Suggestions on how to go...- Alphablok
- Thread
- Amp Power Power supply Supply Tube
- Replies: 15
- Forum: Electrical Engineering