Build a Tube Bias Meter Part 2

This meter is used to check the Cathode Bias of either a Single or Double ended audio amplifier.
Measuring the Cathode Bias may be performed using the built-in analog meter or you may use a
Digital Multi Meter.
Parts:
2 - NTE500A Zener Diode
1 - 1N4001 Diode
2 - SPDT Slide Switch
1 - 1 Ohm 1/2W Resister
1 - 2 Ohm 1/2W Resister
3 - Red Panel Mount Banana Jacks
3 - Black Panel Mount Banana Jacks
1 - 6" W x 3 3/4" L x 2" D Project Box
1 - 50 mA Analog Panel Meter (See below)
1 - 4PDT Rotary Switch (See below)
Hoffman Bias Checker
hoffmanamps.com...!
50 mA Panel Meter
www.ebay.com/i...
Panel Mount 4PDT Rotary Switch
www.ebay.com/i...

[@flegstrogs]

nice!