It looks like a ferrite core out of a tuning can. Someone thought it would be equal to the resistor/wire wrap? I would be tempted to make it like the others.
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Kenrich Eagle VIII
- Thread starter Danzik
- Start date
It's kinda hard to explain I guess but it would be hard to get it to adjust correctly with let's say a cobra 2000 or something with a 4 watt deadkey, it does real well on my 2950 but I can set it low enough to where it is hardly deadkeys anything, I set the "drive" so the box deadkeys around 200 and let it swing from there and it does real well but if I put a JB12 behind the cobra I can't even get the JB12 to key low enough to where the eagle is happy 1 watt seems to be too much
That Drive control is a matching control, not a level setting control.
It should be peaked for max, not set for a desired output level.
as can be seen in the diagram below, it is matching the output impedance of the two driver tubes to the input impedance of the five final tubes.
LC
It should be peaked for max, not set for a desired output level.
as can be seen in the diagram below, it is matching the output impedance of the two driver tubes to the input impedance of the five final tubes.
LC
Well fellas, then I most absolutely have a issue then, what would cause such a thing ? It acts just like I described, let's say a 1 watt deadkey going in, if I adjust the drive for maximum output power I get at least 900 watts deadkey on the meter, with no modulation added. Even with less going in I can still get the amp to peak. Do any of you guys know what VR7 is for ? Is that the driver bias control ? One thing we do know is that tiny piece of wire was shorting out the driver coil when I first got it and it was only putting out about 50% power maybe that destroyed a component in the circuit
