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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: RE: Resistor on the interstage transformer posted by danlaudionut on August 20, 2015 at 21:16:38:
What about a bifilar 1:1 IT ? I found with a dirt-cheap £30 Hammond 126B and also C models , adding a resistor worsened the measured response and also the sound . So I ran these devices wide open . Lundahls on the other hand , I had a different experience WRT the secondary resistor but these were for pushpull rather than SE useage
From my experience with the 126 , a lower driving Ra is preferred...
The impedence specifications I always find misleading with IT's . What manufacturers should always specify is the ratio and primary inductance along with ungapped DC current rather than this generalised 'impedence' thing .
Al
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Follow Ups
- RE: Resistor on the interstage transformer - Al Noakes 10:49:41 08/24/15 (3)
- RE: Resistor on the interstage transformer - sv572-10 12:06:42 08/24/15 (2)
- RE: Resistor on the interstage transformer - Al Noakes 12:41:11 08/24/15 (1)
- RE: Resistor on the interstage transformer - sv572-10 13:42:26 08/24/15 (0)
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