K&K Audio / Lundahl Transformers

Posted by KurtP (A) on March 23, 2007 at 10:39:46

In Reply to: For those chasing the hum posted by Jim Womble on March 23, 2007 at 06:04:37:

I will be making a set of Amity's in the next year (given funds availability) and have been concerned about this very thing. Any experience you can share will be absorbed, I assure you.

What are you using for drivers, and did you run DC to those filaments?
I actually plan on using 2A3 as opposed to 300B. Any advice there?

• Re:300b vs 2a3 - Jim Womble 11:30:28 03/23/07 (15)
  • What are you driving? - KurtP 07:26:38 03/24/07 (14)
    • Re: What are you driving? - arend-jan 11:48:44 03/24/07 (0)
    • Re: What are you driving? - KevinC 08:14:42 03/24/07 (12)
      • Re: What are you driving? - KurtP 20:39:27 03/24/07 (11)
        • Re: What are you driving? - Jim Womble 08:56:30 03/25/07 (10)
          • ecc99 - arend-jan 13:27:20 03/27/07 (0)
          • 12BH7A question - KurtP 06:37:39 03/27/07 (1)
            • Re: 12BH7A question - Jim Womble 09:55:33 03/27/07 (0)
          • Understood - KurtP 20:08:44 03/25/07 (6)
            • 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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