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Re: [TenTec] Need help with corsair ii

To: rmcgraw@blomand.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Subject: Re: [TenTec] Need help with corsair ii
From: nf4r@comcast.net
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Mon, 25 Mar 2013 15:52:28 +0000 (UTC)
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
The pwr. out is 80-100 watts depending on the band I am on. Will try to borrow 
an amplified mic and try that. 
  
----- Original Message -----
From: "Robert Mcgraw" <rmcgraw@blomand.net> 
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com> 
Sent: Monday, March 25, 2013 11:17:28 AM 
Subject: Re: [TenTec] Need help with corsair ii 

The original description was a report of "low audio".  In my thinking, 
this is really not likely however low power output is more likely if 
audio is not adequate.  If audio gain in the system is inadequate the 
only result is low output as the output is directly related to the audio 
level from the mike. 

Since Barry finds the same voltages, then I have to suspect the power 
level is not correct.  What is the power in TUNE or CW key down mode?  If 
this is correct then this says the circuits are likely working correctly. 

Since the mikes are reportedly working OK on other radios, then again 
this points back to the radio or the set-up with the radio. 

Not having a radio on the bench to do measurements, I'm more speculating 
at likely general issues. 


73 
Bob, K4TAX 


> On Mon, Mar 25, 2013 at 3:25 AM, <nf4r@comcast.net> wrote: 
> 
>> 
>> 
>> Thanks for the reply Bob. I was using the cabinet as gnd.  I will 
>> recheck 
>> voltages in the morning and use the board its self as gnd,or the 
>> negative 
>> dc input as gnd. 
>> 
>> 
> No need Dave.  I checked the voltages in my Corsair II and they are the 
> same as your measured voltages.  This is just one more case of the 
> Corsair 
> II manual being wrong. 
> 
> My transmit audio is fine with my 705 mic.  I still think you need to 
> rule 
> out the mic as your problem.  I assume you don't own an external mic 
> preamp 
> or any other amplified mic besides the one 705? 
> 
> 73, 
> Barry N1EU 
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> 


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