[TenTec] Corsair II Question

[Bob DeVarney W1ICW]

Hi Shawn,

what's the output like on the bands 20 and above? I recently restored 
one and spent quite a bit of time chasing  my tail. I had full output on 
160-40 but it dropped off rapidly above that.

I eventually discovered one of the final transistors was open. The 
little "3D structure" of resistors/caps they used to bias the 
transistors had a bad solder joint that had opened up and this killed 
the transistor.

Take the final section off and give it a good visual inspection, and 
maybe even wiggle things a bit in that area and you may find the same thing.


On 3/24/2022 9:04 AM, Shawn Upton via TenTec wrote:

> So I picked one up last weekend, supposedly gone through and all that.  Seems to be true, as it's seemingly working--except for the drive?  If I set ALC full clockwise, in order to get 80-90W out on 40m I have drive set to 7.5.  Seems high?  I have an Omni C that is on the desk I'm comparing to.  I'm not concerned a bit about "only" getting 80W, I just want to make sure that drive needs to be this high.
> Quick check shows 90W on 160m with drive at 7.75, while on 10m I get like 70W at 8.1 on the knob.  So it's actually really flat response on the drive--maybe I'm just too used to my Omni where drive changes "a lot" from band to band.  :)
> Shawn kb1ckt
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