[Amps] every db lost re Tubes vs. Solid State

W2XJ w2xj at nyc.rr.com
Sun Apr 29 23:04:49 PDT 2012


A separate RCV antenna solves that issue which is really not germain to 
SS vs VT anyway.

On 4/29/12 11:01 PM, Charles Harpole wrote:
>
> I think we should also count pieces of incoming db lost by insertion of various devices.
>
>
>
> I know ever coax joint, every coax switch, and so on costs rcv db.
>
>
>
> But what does an amp in line take away?  Tubes or SState better or worse?
>
>
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> Does an antenna tuner take away any parts of rcv db?
>
>
>
> Inquiring minds want to know.  thanks, 73
>
>
> Charles Harpole
> k4vud at hotmail.com
>
>
> ----------------------------------------
>> Date: Sun, 29 Apr 2012 22:22:10 -0700
>> From: w2xj at nyc.rr.com
>> To: amps at contesting.com
>> Subject: Re: [Amps] Tubes vs. Solid State (was) Expert Amps 2K-FA: Any Opinions ?
>>
>> That is why a good automatic antenna tuner should be used.
>>
>> On 4/29/12 8:37 PM, Roger (K8RI) wrote:
>>> The SS amp would let me cover the whole band without retuning, but it
>>> would roll back the output power as the SWR went up. The tube amp does
>>> not roll back the output. IIRC the SS amp was down about 200 watts at
>>> 1.2:1. It's been a couple of years. 73 Roger (K8RI)
>>>
>>> _
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