• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Frank's 6SN7 line stage / preamp with GlassWare PS-1?

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E

Evenharmonics

Banned
Joined 2007
Has anyone built Frank's 6SN7 line stage with GlassWare's PS-1 voltage regulator kit? If not, what do you think about this combination? PS-1 can supply both B+ and filament heater.

By the way, this schematic shows 2 different design (top vs bottom).
attachment.php
How should I interpret this?
 
V

vconsumer

Member
Joined 2004
In the top schematic, the voltage amp half of the 6SN7 is capacitor-coupled to the cathode follower half. In the bottom schematic, the VA is direct-coupled to the CF. The latter has the advantage of eliminating a capacitor from the circuit and may yield better sound.
 
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