[Heathkit] DX-100 whats a good amp for my DX-100

[jeremy-ca]

A 3CX3000A7 would be a possible better choice for a full output AM linear.
They are readily available, easy to build, stable, just about 
indestructible, and extremely linear.

Carl
KM1H


----- Original Message ----- 
From: "Kenneth G. Gordon" <kgordon2006 at verizon.net>
To: <kc7hkp at comcast.net>
Cc: <Heathkit at mailman.qth.net>
Sent: Friday, February 08, 2008 1:40 AM
Subject: Re: [Heathkit] DX-100 whats a good amp for my DX-100


> On 7 Feb 2008 at 2:31, kc7hkp at comcast.net wrote:
>
>> Hi Guys..
>> I have been planning my AM station, I have a Heathkit DX-100 and a
>> HQ-180, I have been putting a Heathkit SB-220 back together and now
>> its ready to go, But i been told its not good for AM. Since AM is my
>> plan what does one look for, I have a Johnson Thunderbolt ,Offered
>> Needs a going over been setting for my years but price is $300.oo.i n
>> nice looking condition. any other thoughts.
>
> Yes. I don't really think you NEED an amp with the DX-100.
>
> Besides, the DX-100 puts out way too much power for the
> SB-220, and especially for the  Thunderbolt.
>
> If you could crank the drive level down, you MIGHT be able
> to use the SB-220 at about 375 watts input, but that would
> only be about 4 db difference in signal level output, or 1.5
> "S" units at the receiving end.
>
> Hardly seems worth the trouble.
>
> I'll bet that if you try the HQ-180/DX-100 (barefoot) together,
> you will be quite pleased with the results.
>
> I would give them a try that way before I would think about
> an amp.
>
> And then if I really decided that I NEEDED an amp, I would
> build one along the lines of that one that Pete mentioned: a
> 4-1000.
>
> Ken W7EKB
>