[Amps] TL-922 --> 21st century

[Steve Thompson]

I'll hazard a guess that the idea is to try and create some sort 
of resonance with the grid wires to reduce feedback at vhf.

Steve

> A question:
> 
> The grids are grounded via a parallel combination of 3 220 pf capacitors, a 
> 4.7k resistor 
> and a 470 uh choke. I don't understand this. I am tempted to just strap the 
> grids to 
> ground. What were they thinking?
>