[Elecraft] Using tube transmitter with K3/KX3/K2 as receiver?
Charlie T, K3ICH
pincon at erols.com
Fri Oct 24 09:00:58 EDT 2014
Yes.......properly adjusted phasing type SSB generators have always been
known for their excellent audio ala HT-37, 100V and now, even though it's
performed in software, the KX3.
Maybe that "chirp" could be a new feature for Wayne to incorporate so we can
pretend * we're operating a 30's hollow state xmtr.
73, Charlie k3ICH
* I DO hope you don't think this was serious, but you never know how some
comments are taken......
----- Original Message -----
From: "Alan" <n1al at sonic.net>
To: <elecraft at mailman.qth.net>
Sent: Thursday, October 23, 2014 11:58 PM
Subject: Re: [Elecraft] Using tube transmitter with K3/KX3/K2 as receiver?
> > the TX1
>
> Ah yes, the "Scratchy Apache" was a fine radio. I had the SB-10 SSB
> adapter to go with it. It worked great with a VHF transmitting converter
> because the low-level output from the SB-10 was just about the right power
> level to drive the converter.
>
> I used to frequently get unsolicited compliments on my audio quality. (No
> crystal filters in the transmit path.)
>
> Alan N1AL
>
>
>
> On 10/23/2014 05:57 PM, david Moes wrote:
>> the TX1 with High level plate modulation it will do way more on AM than
>> the K3 I get about 110W carrier. the TX1 didn't do SSB without
>> additional hardware which I have but its not yet restored. the real
>> point is the vintage fun factor of restoring and getting on the air with
>> 110lbs of iron.
>>
>> David Moes
>>
>>
>> VE3DVY, VE3SD
>>
>> On 10/23/2014 20:44, Don Wilhelm wrote:
>>> Re: Heath TX1 power --
>>> The Heath TX1 used a pair of 6146 output tubes, those normally run 180
>>> watts *input* power.
>>> Modern transceivers (K3 included) are rated fort power output.
>>> If one assumes a 67% efficiency (realistic) at 180 watts input, the
>>> output power will be 120 watts - that is about what one can get from a
>>> K3, although I do not recommend running the power knob to more than 100
>>> watts to keep IMD under control.
>>>
>>> Sooo - I don't think the TX1 will "crank out a whole more power" It
>>> seems to me to be about the same.
>>>
>>> 73,
>>> Don W3FPR
>>>
>>> On 10/23/2014 8:25 PM, david Moes wrote:
>>>> Good question and answers here I did the same as don suggested up
>>>> till recently. I have a Heathkit TX1. I had no receiver until
>>>> recently when I got the RX1 to go with it. bit of a crappy reciever
>>>> but its still a fun to do the nostalgia thing. The TX1 will crank
>>>> out a whole lot more power on AM and CW than the K3 and it warms the
>>>> shack in the winter. Its not all DX and contests sometimes its fun to
>>>> get out the old and tinker. next up is 1930 era two tube push pull
>>>> UX-245 40m transmitter now were talking chirp!.
>>>>
>>>
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>>
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>
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