I dont know about the 2K & 3K specifically, but I do know about the 3K-A & 2K
Classic (and Classic X). The 3K-A puts almost 4kV on the 3-500s, the 2K only
about 3kV. The Classic X puts about the same power, but has one transformer
where the 3K-A has separate Fil & HV transformer (like mentioned below). It
also has a tapped inductor and two variable caps where the 2K Classic(X) has a
variable inductor. I prefer the tapped inductor for easier band changes.
Also, the 3K-A has an extra bandswitch position (perfect for adding 160m),
built-in step start, and a slightly larger (it's deeper) case. However, it has
no "Standby" position (it's either on & inline or off & bypassed), but that's
easily fixed with a switch in the keying line going to it. There's probably
more, but I can't think of it off the top of my head.
Didn't the Original 2K (no suffix) run 3-400s?
john <firstname.lastname@example.org> wrote:
I see.... I guess still a workhorse today! I'll have to go look and see if
it's a roller inductor or tapped (from a WARC band perspective, the roller
would be nice!)
Thanks for the good info!
At 05:13 PM 12/19/2005, Steven Cook wrote:
>Lots of small differences...
>Same pair of 3-500Zs, but more plate voltage, larger plate transformer,
>separate filament transformer, larger antenna loading capacitor -- basically
>just a beefed up version -- cabinet is even the same size and component
>layout is nearly the same.
>The 3K was the commercial version of the 2K series amps of its day.
>----- Original Message ----- From: "john"
>Sent: Monday, December 19, 2005 11:04 AM
>Subject: [Amps] Difference between Henry 2k and 3k?
>>Can someone list the major difference between these two amps please?
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