[AMPS] 8877 bias

[Mark S Graalman]

   Dick, if I remember right I'm using a 8.2 volt zener in mine and
the idle current at 3500 volts is 180 ma.

Mark  WB8JKR


>
>Reflectories,
>     I have two 8877 amps, I built them with 12V zener diodes for 
>bias,
>they both idle at abt 40-50 ma. I changed one to 9.1V still 40-50 ma. 
>If i
>eliminate it, the idle current is 275 ma. (I'm running 3KV). I next 
>want to
>try 5.1V, but have never seen an amp article use such a low voltage. 
>what
>are others using for bias and what resting current?    Thanks, Dick
>

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