[Elecraft] What's with the new amplifier?

N2TK, Tony tony.kaz at verizon.net
Tue Feb 14 16:56:51 EST 2006


Yes, the 87A has an auto tuner. I forget the two buttons to push that has
one of the LED's continuously flash to indicate it is in auto-tune mode.
When in this mode it continuously tunes for low swr. This is nice when
changing multiple antennas on the same band. I will remember what buttons to
push when I get out of the snowy northeast next week and operate the 87A
from WP2Z.

By the way I plan on taking down my K2. Was given a real nice metal case
with foam liner. It should work great for carrying on the K2.

N2TK, Tony

 -----Original Message-----
From: 	elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net]  On Behalf Of Augie (Gus) Hansen
Sent:	Tuesday, February 14, 2006 2:03 PM
To:	Jeff Stai; Elecraft Reflector
Subject:	Re: [Elecraft] What's with the new amplifier?

On 2/14/06 11:46 AM, "Jeff Stai" <jds at twistedoak.com> wrote:

> ps: I think the Alpha does have an antenna tuner...?

Hi Jeff,

The 87A doesn't have a built-in antenna tuner. The output network can
comfortably match about a 2.5:1 VSWR range as I recall from the one I had
back in the early 1990s, but I had to use an external tuner to use the Alpha
with my wire antennas.

Gus Hansen, KB0YH

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