[Amps] Alpha 76 PI-EL modification for WARC bands

[jeremy-ca]

Use a B&W 802 or an Ameritron.

Carl
KM1H



----- Original Message ----- 
From: "Joe Subich, W4TV" <w4tv at subich.com>
To: "'Andy Pfeiffer'" <andy.pfeiffer at magellan.aero>; <amps at contesting.com>
Sent: Tuesday, September 18, 2007 2:17 PM
Subject: Re: [Amps] Alpha 76 PI-EL modification for WARC bands


> 
>> it tune on
>> 12 using 10 position but perhaps modification would be better.
> 
> Be very careful using the Alpha 76 series amplifiers on 12 meters. 
> ETO used a plate choke that was intentionally resonant around 26 MHz 
> to prevent use of the amplifiers on 11 Meters.  The amplifier has 
> a well documented tendency to blow the choke on 12 meters. 
> 
> 73, 
> 
>   ... Joe, W4TV 
>  
> 
> 
>> -----Original Message-----
>> From: amps-bounces at contesting.com 
>> [mailto:amps-bounces at contesting.com] On Behalf Of Andy Pfeiffer
>> Sent: Tuesday, September 18, 2007 12:45 PM
>> To: amps at contesting.com
>> Subject: [Amps] Alpha 76 PI-EL modification for WARC bands
>> 
>> 
>> Hi there
>> Is anyone has modification to Alpha 76 PI-EL and Plate choke to put it
>> on 30, 17 and 12 Meters.
>> It tune on 30 using 20 position, on 17 using 20 position and 
>> it tune on
>> 12 using 10 position but perhaps modification would be better.
>> 
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>> 
>> 
> 
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