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> Found A Bunch Of Tranformer, weird trans
braggpawn
Posted: February 24, 2009 08:04 am
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WELL THE TRANS SAY HS-50
om one side there is a black and red wire. Black reading 0ohms red reading 8 ohms. Then on the other side a white , black , and green wire. white 200ohms black 0 ohms green 400 ohms . just wondering if i could use these in any tube project! thanx guys
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Sch3mat1c
Posted: February 24, 2009 08:11 am
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0 ohms to what???

What is the voltage ratio?


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braggpawn
Posted: February 24, 2009 09:17 am
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well heres a pic of one of them .

user posted image

This post has been edited by braggpawn on February 24, 2009 09:20 am
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Colt45
Posted: February 24, 2009 09:35 am
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It doesn't "read" 0 ohms. lol.

anyways, its 400:8ohm.. not too much use.. probably can't take dc on the primary anyhow, but who knows.


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GPG
Posted: February 24, 2009 11:10 am
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Probably an audio distribution transformer for a 70/100V system.
Eg
http://www.bnoack.com/index.html?http&&&ww...ck.com/70V.html
Google
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braggpawn
Posted: February 24, 2009 12:08 pm
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That sucks sad.gif I can got about 10 of these for free. To bad tongue.gif
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CWB
Posted: February 24, 2009 04:49 pm
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grab them ...
yep , they are distribution transformers ... 25/70/100 volt .
ya never know when/where you can use them .
the low freq response is nothing to brag about ... but at low levels they can be made to pass the stuff below 40Hz .


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tekwiz
Posted: February 24, 2009 09:01 pm
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QUOTE (CWB @ February 24, 2009 07:49 am)
grab them ...
yep , they are distribution transformers ... 25/70/100 volt .
ya never know when/where you can use them .
the low freq response is nothing to brag about ... but at low levels they can be made to pass the stuff below 40Hz .

You sure about that? Line matching trafos are usually labeled in watts on the primary, & ohms on the secondary. I never saw one with ohms labels on both windings. They seem to be some sort of impedance matching transformers. I'll bet they would make good plate trafos for small tube audio amps. cool.gif


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CWB
Posted: February 24, 2009 11:06 pm
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i've seen them labeled both ways ...
the use of the impedance markings were more common with/in bridging type circuits .


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atom
Posted: February 28, 2009 05:08 pm
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i'd recommend you get them anyway. 10 free transformers is never a bad option, and they might come in useful some day.
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Impmon
Posted: March 11, 2009 09:28 pm
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I'd definitely grab those. You can always couple to an SRPP output. If nothing else, take 'em apart and use the lams for winding other xfmrs.


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