• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
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    the safety precautions around high voltages.

Is the Nuvistor Better Than The 12B4 For A Line Stage

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D

DF96

R.I.P.
Joined 2007
myweb.tiscali.co.uk/g8hqp/
How can a nuvistor (or any other device) be both "excellent sounding" and "extremely neutral"? If it is neutral it has no sound, no speed and no dynamics - it merely passes on whatever is in the source music signal.

Nuvistors were designed to be small, rugged and low noise at high frequencies (e.g. VHF, UHF). I doubt if audio linearity featured highly on their spec list.
 
TheGimp

TheGimp

Member
Joined 2009
Any semi-remote pentode will be non-linear. Poor choice for audio unless you are doing compression or effects box.

7586 is a triode. However linearity looks poor. For a mic amp it might be ok, but for a line amp I would chose another tube.
 
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