• 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.

tube amp hybrid, disconnecting filter circuit from headphone out

hi, I'd like to disconnect the cap used for filtering out the 'papery sounding highs' from the tube preamp, that is probably connected to the headphone out. That way I can connect it to my computer interface and use my impulse responses. Here's a schematic, any help? The cap or caps are on page 2, probably somewhere bottom right. Is it c1? Thanks!
 

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