Russian K40Y-9 PIO Capacitor inside photo

September 5, 2010 - filed under: Uncategorized

I open up a defective Russian PIO K40Y-9 PIO capacitor (6800pf 200V) and here is two photos:

Caution to use: Do not heat up the leads close to the metal body for too long or else the internal oil will leak out!

Step Attenuator

March 14, 2007 - filed under: Uncategorized

This is a ladder type step attenuator used in my pre-amp.  The switch is a 23 throw 4-pole and thus it is good for one balance channel.

Resistor value for 10K volume

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