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[AMPS] FAILURE OF PARASITIC RESISTORS IN AL-811X AMPLIFIER

To: <amps@contesting.com>
Subject: [AMPS] FAILURE OF PARASITIC RESISTORS IN AL-811X AMPLIFIER
From: 2@vc.net (measures)
Date: Thu, 2 Mar 2000 08:12:46 -0700
>
>
>> >A tuner sold by Ameritron (ATR-20) using the same inductor is 
>> >rated at 750 watts CW, but there are electrical differences. The 
>> >Ameritron tuner includes a peak reading meter that really reads 
>> >peaks, and has higher capacitance variables.
>> > 
>> Tom -- Does this tuner currently use a Delrin roller inductor coil form?
>> thanks
>
>No, it has air insulation.

The coil-form has air insulation?  Did you mean to say ceramic insulation?
>
>The Oren Elliot Products roller was never used at Ameritron.

Where did the Delrin roller inductor come from that reportedly melted 
down twice in the ARRL lab? 
thanks
>
cheers, Tom

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