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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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K&K Audio / Lundahl Transformers Welcome! Need support, you got it. Or share youe ideas and experiences. |
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In Reply to: RE: Line output transformer posted by pushpulltriode on November 26, 2016 at 08:59:36:
To quote the Lundahl website:
The primary impedance of a transformer in an application, as seen by the source, is the primary no load impedance in parallel with the transformed load. The "primary no load impedance" for a gapped tube amp transformer is the primary inductance. The "transformed load" is the secondary load as seen from the primary winding (Load * (turns ratio)*(turns ratio)). Thus, the transformer by itself does not have an impedance that can be used without a context.
The transformers that we have been exchanging posts about can be used with sources in the 3K-6K range, but the load reflected to the primary is a matter of the load impedance.
Historically, transformer manufacturers listed windings impedances that were in the middle of the range designed for. Lundahl does not do this.
Kevin Carter
K&K Audio
www.kandkaudio.com
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Follow Ups
- RE: Line output transformer - KevinC 10:13:05 11/26/16 (4)
- RE: Line output transformer - pushpulltriode 11:55:21 12/01/16 (3)
- RE: Line output transformer - KevinC 18:22:55 12/02/16 (2)
- RE: Line output transformer - pushpulltriode 07:44:05 03/10/17 (0)
- RE: Line output transformer - pushpulltriode 07:01:57 12/03/16 (0)
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