[TenTec] Amplifier Question

[Carl Moreschi]

Only about 5 seconds warmup is necessary with those type of tubes.

Carl Moreschi N4PY
121 Little Bell Dr.
Hays, NC 28635
www.n4py.com

On 6/25/2013 1:17 PM, Richards wrote:
> OK...
>
> 1) How long do I need to wait before my Centurion amp is warmed up and
> ready to transmit? The manual says nothing, and I am sure one should not
> key the exciter too soon. But... how soon is too soon?
>
> 2) What METER do you guys watch, and why?
>
> The right hand meter has four display options. I usually watch the Ig
> (grid current) meter option, as the manual says this is the most
> important parameter to monitor. It says it should not exceed 260 ma - I
> have never seen mine go above 240 ma at any exciter in level. Just one
> reason I think this is an easy amp to tune.
>
> Does anyone monitor any of the other three meter settings? If so, what
> are you looking for and why?
>
> The Plate meter hardly ever moves, and the FWD and REF settings do not
> seem very informative, because the scale markings are designed to convey
> Grid and Plate information, not power information - and the PEAK POWER
> meter on the right side more obviously indicates power out. I cannot
> imagine why one would watch the FWD or REF meter setting - but, know I
> still have a lot to learn...
>
> Any ideas?
>
> ============ THANKS ! / K8JHR ===================
>
>
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