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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: Preamp build posted by deafbykhorns on August 15, 2017 at 17:39:05:
The 6SN7 based hybrid I've posted should easily deal with your signal requirements. Another fellow ran a distortion simulation of the design and found it to be extremely linear. A 1 M. cable is a light load for the MOSFET to lift.
You can reduce the O/P coupling capacitance value, if the downstream load is comparatively light. What's shown neatly deals with the IHF "standard" value of 10 Kohms.
Mercury wetted reed relays controlled by a rotary switch will ensure cross talk between sources does not occur.
Eli D.
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Follow Ups
- RE: Preamp build - Eli Duttman 19:38:24 08/15/17 (1)
- RE: Preamp build-mercury relays - deafbykhorns 05:24:36 08/16/17 (0)
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