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K&K Audio / Lundahl Transformers

Re: LL1660 / 10mA with 46 driver.

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PeterP

(A)

In Reply to: Re: LL1660 / 10mA with 46 driver. posted by KevinC on May 11, 2004 at 04:59:02:

So then a LL1677/80mA with a 300b or 2A3 might be a better choice? I'll have to give that some carefull consideration. I intend to try the 76-46 and probably 6EM7 with the LL1660/10mA just to see. I don't expect that I'll even get the chance to try anything 'till summer which, in my case, means that this will be a winter project.
Just never seems to be enough time.
Thanks for the input.
Pete.

Follow Ups:

Re: LL1660 / 10mA with 46 driver. - KevinC 05:43:30 05/13/04 (1)
No, the LL1677 is a step-up transformer made to provide the high level voltage drive required by the 845. The 211 is a different animal. It needs less drive voltage, but to do A2, requires low drive impedance, hence my step-down suggestion.
- Re: LL1660 / 10mA with 46 driver. - PeterP 13:13:55 05/13/04 (0)
  I was thinking of using it reversed as a 2:1 stepdown. Perhaps that is not a good choise? In any case I'll be playing with the LL1660/10mA first.
  Thanks for the input.
  Pete.

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