K&K Audio / Lundahl Transformers

Posted by KurtP (A) on March 25, 2007 at 20:08:44

In Reply to: Re: What are you driving? posted by Jim Womble on March 25, 2007 at 08:56:30:

I agree, it appears the addition of a Raven basically repeats the first stage. At present I run my stereo out of the iMac, sometimes directly from an iPod. That's my volume control. I also run a powered subwoofer, as I like my bass. So I expect to be needing a pre only to give me volume control and low output impedance to drive potentially a number of amplifier channels. Once the pre is done, I can use my DVD player to run CD's. (Also have been watching the RAKK II, that may be a future project).

If I understand you correctly, the Raven burdens the source quite a bit? I have attached my current intent. Impedance varies from 5K to 30K. Am also considering the tribute input transformer. If nothing else, I would like to confirm the preamp section, as that's next in the pipeline. I can always decide on a two or three stage amp design in the future. What I liked about the ECC99 was availability of new product through JJ. Though I continue to hear a lot about the 12bh7, maybe I should consider it. I was avoiding the Karna simply because of the cost and availability of the 45. I want to pick tubes that will be around for a while, and won't cost an arm and a leg.

All comments are desired. I want this to be my last system for a while (wife is getting frustrated with my time allocation- but ME-2's are just about done).

• http://www.just4sheep.com/schematic.pdf   (Open in New Window)

• Re: Understood - Jim Womble 03:46:01 03/26/07 (4)
  • Input impedance - KurtP 04:39:05 03/26/07 (3)
    • Re: Input impedance - Jim Womble 06:35:47 03/26/07 (2)
      • Re: Input impedance and amplifier noise - KevinC 06:55:16 03/26/07 (1)
        • Re: Input impedance and amplifier noise - KurtP 13:17:00 03/26/07 (0)
• Re: Understood - Dave Davenport 20:55:52 03/25/07 (0)

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