Re: {Collins} Tuning the 30L-1
- To: collins <collins@xxxxxxxxxxxxx>
- Subject: Re: {Collins} Tuning the 30L-1
- From: Rick Poole WA1RKT <wa1rkt@xxxxxxxxxxx>
- Date: Sat, 1 Nov 2014 22:20:04 +0000 (UTC)
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- Thread-topic: {Collins} Tuning the 30L-1
From: "Bill Carns" <wcarns@xxxxxxxxxxxxx>
Sent: Saturday, November 1, 2014 6:06:18 PM
>>
>> Read some of my past comments on tuning the 30L-1.
>> There have been a ton of strings on this.
Good evening, Bill.
I'm sure there have been but I was not able to find any that were directly on-point from the last several months or so (much older than that, and information sometimes tends to get obsolete, and anyway it doesn't hurt to re-raise the question occasionally, in case new information is available).
>> I would suggest that at 80 watts drive and 700 watts output,
>> you may be above the point where the amp is linear.
That is often true. I feed the outputs of both the exciter and the amp thru a Kenwood SM-220 scope and watch the trap pattern while speaking. I can tell pretty accurately when the amp is going out of linearity... tends to start happening above about 600 watts peak or so.
Rick WA1RKT
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