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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: 6AH4 tube for DIY Preamp posted by Freo-1 on March 31, 2014 at 17:40:08:
On the next thread up we have details of a 26 preamp, and I hate to say this but in my experience it's a better tube in all respects, especially with filament bias.
I know Thomas Mayer's work and it's beyond excellent - and ironically he was the person that developed filament bias for tubes like the 26 and his own favourite the 801/10Y. Now that's another marvellous preamp tube.
I have a lot of respect for the 6AH4 - in fact I ended up giving all my stock to Thomas. I was using it as an output tube where it does a good job, until I discovered the 4P1L which obliterated my previous thinking.
The 6AH4 is a good tube, no mistake. It's just that some of the directly heated tubes like 26, 10Y, 46, 4P1L are better in line and driver stages. More clarity and tone and a little bit of magic. That's my take on it, and I haven't used indirectly heated tubes in about 3 years for that reason. So clearly I'm biased!!!
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Follow Ups
- 26 preamps..... - andy evans 02:57:35 04/01/14 (3)
- RE: 26 preamps..... - xaudiomanx 05:33:14 04/01/14 (2)
- 4P1L line stages - andy evans 16:59:16 04/01/14 (1)
- 2 volts input? - rickmcinnis@dogwoodfabrics.com 13:32:44 04/02/14 (0)
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