Saturday, July 28, 2018

Playing with electrons part X


At your own risk. This is for very low anode voltages. Less than 9V. Even then all safety precautions should be followed. And a suitable fuse should always be in series with a battery for safety.


This is on using standard relay octal bases such as the blue ones by Finder type 90.20.


Contacts should be great as the cable is made to firm contact by a screw like a barrier strip.


One octal base for an input transformer with octal plug.


One for say an 1H4, 6SK7, 12SK7 etc electron tube.


One for an output transformer with an octal base.


A simple circuit such as the Pleiades V6.


Pleiades V6 schematic



A fuse holder in series with a small battery.


Then Neutrik XLRs for mic in and (boosted) mic out...



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