[TenTec] Ten Tec Centaur 411 10m Mod Needed

Bob McGraw - K4TAX RMcGraw at Blomand.net
Thu Feb 13 15:13:45 EST 2014


See the schematic for the Centurion. Although I recall the board being 
different, the filter circuit is the same.

73
Bob, K4TAX


----- Original Message ----- 
From: "Kris Merschrod" <Kris at merschrod.net>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Thursday, February 13, 2014 1:48 PM
Subject: Re: [TenTec] Ten Tec Centaur 411 10m Mod Needed


>I did the mod from the schematic and parts that T-T sent on a perfboard - 
>it really isn't much, but, before hand,  I pulled the 15 meter filter and 
>put in a jumper wire - it worked like a charm w/o the filter - I am not 
>sure what the harmonics on that looked like - others can do the hi-tech 
>work :>)
>
> Kris
> ----- Original Message ----- 
> From: <w8au at sssnet.com>
> To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
> Sent: Thursday, February 13, 2014 1:39 PM
> Subject: Re: [TenTec] Ten Tec Centaur 411 10m Mod Needed
>
>
>> At 08:10 AM 2/13/2014, you wrote:
>>>I just acquired a Ten Tec Centaur 411 amp from an SK estate.  As it turns
>>>out, it was never updated for 12/10m use.  Ten Tec noted they did not 
>>>have
>>>the board to enable 10m.  Any suggestions on a possible source or circuit
>>>diagram would be appreciated.
>>
>> Doug:
>>
>> Had to do this to our club Centaur.  TT no longer has the plug in board 
>> but
>> will supply the pi-section filter schematic/parts values for it.  You 
>> have to
>> fabricate your own board, which goes in place of the 15 meter output 
>> filter.
>>
>> Have fun..
>>
>> Perry   w8au
>>
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