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Re: [TenTec] new amp

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] new amp
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Thu, 16 Aug 2012 15:18:58 -0500
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Sorry, that should read $8 / watt.

73
Bob, K4TAX

----- Original Message ----- 
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
To: "Doug S" <nn9s@yahoo.com>; "Discussion of Ten-Tec Equipment" 
<tentec@contesting.com>
Sent: Thursday, August 16, 2012 3:16 PM
Subject: Re: [TenTec] new amp


> Yes it may seem expensive at ~$80/watt, however from on air listening and
> some bench measurements, those "cheap" amps are noted to be not so clean 
> in
> terms of spurious radiation.
>
> We've all been plagued by this an it is the station that runs one of the
> "off shore" type kit amps.  You know, the ones that has to have the 
> "filters
> added".    Ever notice how the operators signal splatters when other
> stations on the same frequency do not?  Hams must be very careful when 
> using
> solid state amps and it is a lesson that many have not learned.
> Historically, being accustomed to tube type amps, by nature those have a
> softer knee at the point they go into distortion, the distortion by 
> products
> aren't initially too severe.  At the same time, drive one of the solid 
> state
> amps ever so slightly into distortion and the sideband products go up by 
> 10
> fold.  But at the same time, we must note that those solid state amps can
> sure make the watt meter move significantly upscale.  Oh yes, it is more
> average power due to clipping,  but being quasi square wave in nature, 
> much
> of it is spread out over several KHz of spectrum.  Be assured that your
> neighbors on the adjacent frequency won't appreciate your presence on the
> band.
>
> A good solid state amp today is quite expensive per watt as compared to an
> equal power tube type amp.  If size and weight is an issue then the solid
> state amp is the way to go.  Understand its limitations.   If economy and
> weight and size is no concern, then a tube type amp suits the needs most
> effectively.
>
> Too bad the FCC no longer polices the ham bands, specially on emissions,
> today.  If this were to take place effectively, there would likely be 
> quite
> a few operators writing letters of explanation  regarding implementation 
> of
> corrective action.  On the other hand, too bad we really can't seem to
> police ourselves collectively.
>
>
> 73
> Bob, K4TAX
>
> ----- Original Message ----- 
> From: "Doug S" <nn9s@yahoo.com>
> To: <tentec@contesting.com>
> Sent: Thursday, August 16, 2012 10:52 AM
> Subject: [TenTec] new amp
>
>
> IMHO $800 is just crazy to pay for a 100w amp. I can hear the naysayers
> already and how other companies offer less etc but I just don't see much 
> of
> a market for an 100w amp for $800.00.
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