The Sound Grail Tube amplifier Measurement

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DISCLAIMER Schematic is provided as Gianluca G. Author's observational study and for non-commercial information purposes, thus this is not provided for Your experimental purpose. Author disclaims any and all liabilities related to or resulting from the use or application of any part (partial or entire) of the circuits provided herein. In no event Author will be responsible for any kind of damages direct, indirect, special, incidental or consequential or any other damages whatsoever and howsoever caused, arising out of or in connection with the use or application of any part, partial or entire, of the circuits provided in this schematic, or in reliance on the use or misuse of any information contained in it.

ADDITIONAL DISCLAIMER for NP, non-polar back-to-back capacitors circuit: due to the fact that one of the two capacitors always results reversed polarised and it is not protected by safety diodes, the NP circuits are to be considered under laboratory test, thus I recommend You to do not build or test or use or install by yourself. If You do, it is at Your own risk and You accept this disclaimer in full. The 160ma F fuse is mandatory if capacitors fail.

CAUTION! High Voltage! Discharge any caps before working on tube amplifiers.

Copyright © 2015 Gianluca G. Italy. All rights reserved. None of the information, circuits and schematic (partial or entire) may be otherwise reproduced, republished or re-disseminated in any manner or form.