[Amps] Is an AMP worthwhile.

[Jim W7RY]

Sorry... I'm out.

73, Jim W7RY


On 3/7/2022 10:26 PM, Joe wrote:
> YUP YUP YUP.
>
> jOE wb9sbd / w9et
>
> On 3/7/2022 8:51 PM, Jim W7RY wrote:
>> Joe
>>
>> Is this the amplifier you removed the tank circuit and replaced with 
>> a roller coil?
>>
>> And increased the plate voltage as well?
>>
>> 73, Jim W7RY
>>
>>
>> On 3/7/2022 5:13 PM, Joe wrote:
>>> I have been for quite some time now fighting with this Frankenstein 
>>> of an AMP trying to get it to work correctly.
>>> It works making power and LOTS of it, But the Load Cap, is all 
>>> funky. When measured with a VNA the amount of "C" varies as 
>>> expected. And in the right amounts.
>>>
>>> But in use, it does little to nothing at all.  fully meshed fully 
>>> un-meshed almost no difference at all. at 1500 watts out the min and 
>>> max "C" on the load cap changes the output maybe 50 watts thats all. 
>>> Crazy!
>>>
>>> So taking a break on this AMP so i don't loose what hair I still 
>>> have, by the way if you have any ideas what may be happening please 
>>> let me know!
>>>
>>> But I was thinking how much difference does an AMP actually make in 
>>> a contest.
>>>
>>> And thinking strictly mathwise what 10 to 15 db stronger. so only 2 
>>> to 3 S units? seems not like a major deal.
>>>
>>> BUT I took from 3830 the top ten from Multi single High and low 
>>> power, in this past weekends contest
>>>
>>> and single op high and low powers.
>>>
>>> took out the so2r and others similar.
>>>
>>> And the Multi single high power almost made twice as many contacts 
>>> as the low power! WOW!
>>>
>>> and in the single op High vs low. made also almost twice as many Q's
>>>
>>> As one that has never contested with an amp,
>>>
>>> does it really make it that much better!?
>>>
>>> Don't forget about the amp if you have any ideas?
>>>
>>> Joe WB9SBD / W9ET
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