Tube DIY Asylum: results by Chris O

Tube DIY Asylum: results by Chris O

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In Reply to: Re: How to design a passive single-network RIAA (two tubes) posted by Kurt Strain on March 25, 2002 at 06:52:18:

Kurt
The parameters of the 6SL7 are:
rp = 44k
Rk = 2k to 4.7k
mu = 70
Cgp = 3.5pf
Ro = (44*(44+2) / (2*44+(70+1)*2)
Ro = 2024 / 230
Ro = 8.8K for Rk = 2K
Ro = 5.1K for Rk = 4.7K
Does this only affect R1 in your calculations?
R1 = 57.5K or 61.2K
Thanks Much

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Topic - How to design a passive single-network RIAA (two tubes) - Kurt Strain 20:40:10 03/24/02 ( 21)

How to design a passive single-network RIAA (two tubes), 2nd draft - Kurt Strain 21:41:54 03/26/02 ( 0)
Re: How to design a passive single-network RIAA (two tubes) - Fred Humphrey 09:02:12 03/26/02 ( 1)
- Re: How to design a passive single-network RIAA (two tubes) - Kurt Strain 09:44:11 03/26/02 ( 0)
The Dowdy Lama smiles on Kurt - Jim Dowdy 19:35:54 03/25/02 ( 0)
Re: How to design a passive single-network RIAA (two tubes) - Paul D. Scearce 11:14:50 03/25/02 ( 1)
- Re: How to design a passive single-network RIAA (two tubes) - Kurt Strain 12:45:38 03/25/02 ( 0)
Dumb question # 1 - Ivan303 09:24:34 03/25/02 ( 1)
- Re: Dumb question # 1 - Kurt Strain 10:43:31 03/25/02 ( 0)
Audio Engineering Society's preprint no. 1424 (n-3) - Steve 08:45:24 03/25/02 ( 3)
- Re: Audio Engineering Society's preprint no. 1424 (n-3) - Kurt Strain 10:16:06 03/25/02 ( 2)
  - Just wanted to check as...... - Steve 12:49:16 03/25/02 ( 1)
    - Re: Just wanted to check as...... - Kurt Strain 13:22:28 03/25/02 ( 0)
Re: How to design a passive single-network RIAA (two tubes) - Chris O 06:38:45 03/25/02 ( 6)
- Re: How to design a passive single-network RIAA (two tubes) - freddyi 10:35:48 03/25/02 ( 2)
  - Re: How to design a passive single-network RIAA (two tubes) - Kurt Strain 10:54:54 03/25/02 ( 1)
    - Re: How to design a passive - botched equation - White CF? - freddyi 11:41:58 03/25/02 ( 0)
- Re: How to design a passive single-network RIAA (two tubes) - Kurt Strain 06:52:18 03/25/02 ( 2)
  - results - Chris O 03/25/02 13:20:50 03/25/02 ( 1)
    - Re: results - Kurt Strain 13:29:53 03/25/02 ( 0)
Good job, a keeper, thanks, NT - Scholl 03:39:47 03/25/02 ( 0)
Re: How to design a passive single-network RIAA (two tubes) - 813 00:10:22 03/25/02 ( 0)