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Re: [Amps] AL-80B transformer tap

To: "James M. Daly" <AD1L@AD1L.COM>, <>
Subject: Re: [Amps] AL-80B transformer tap
From: "jeremy-ca" <>
Date: Mon, 23 Jul 2007 17:26:55 -0400
List-post: <>
Set it at 245 and dont beat the subject to death.


----- Original Message ----- 
From: "James M. Daly" <AD1L@AD1L.COM>
To: <>
Sent: Monday, July 23, 2007 5:15 PM
Subject: Re: [Amps] AL-80B transformer tap

> First off thanks to Tom W8JI for a very informative post.
> I call Ameritron to get the official info on the 10/12M mod and while I 
> had
> the guy on the phone, his name was Ron, I asked about the tap telling him 
> my
> line voltage was running from 244-248VAC and asking would the 245VAC be 
> the
> appropriate choice. I was thinking he would repeat Tom's (W8JI) advice,
> which would dictate selecting 250VAC, I was really surprised when he said
> you could use 245 but it wouldn't run as "efficiently" and he would 
> suggest
> the 240VAC tap. I reminded him that I was at times getting 248 off the 
> grid
> and asked if the 240 selection wouldn't make for hard use on components. 
> His
> reply was that their line voltage at the shop was 252VAC and they had no
> problems running the amps on the 240VAC tap.
> So needless to say I am left wondering what to think. Although my better
> judgment tells me to at least go the 245VAC route, if not Tom's (W8JI) 
> full
> 250VAC selection, despite what the guy at Ameritron said.
> By the way, a bit of new info, just before sending this email off I 
> decided
> to check the line voltage (it was 246 at 9am) surprise, surprise it is now
> reading 249VAC a new high. That gives me an average of 247VAC over five
> readings at different times of day.
> Peace
> James - AD1L
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