[Amps] FL2100b on SIX? Possible

Gary Schafer garyschafer at comcast.net
Sun Feb 8 12:05:13 EST 2004


Gudguyham at aol.com wrote:
> In a message dated 2/7/04 01:19:44 AM Eastern Standard Time, stevek at jmr.com 
> writes:
> 
> 
> 
>>>Look all over the net!
>>>can't find a mod to put the FL2100b onto
>>>sixmeters.
>>>Any ideas?
>>>
>>>//This has been tried unsuccessfully, but I don't know anybody who's
>>>actually made it work!  572Bs are of very limited use above 30 MHz
>>>(they're only actually "rated" to 30 MHz), and a conventional pi-net
>>>probably won't work because with zero tuning C the tank will resonate
>>>below 50 MHz, using any reasonable L/C ratio.  -WB2WIK/6
>>>
>>>Thanks Etienne ZS6Y
>>
> 
> *******The SB-200 makes a pretty good 6 meter amp using the 572B tubes.  Not 
> ALL 572B tubes work well on 6 meters, but some do.  My suggestion...Sell your 
> 2100B get an SB-200.  I tried a 2100B on 6 and had alot of problems, gave up.  
> Have done MANY SB-200's and they are on the air now as proof.  Try  <A HREF="http://w1qj.com/">6 METER 
> AMPLIFIERS</A> .
> 73 LouieW1QJ



Hi Louie,

How is the 2100B any different from the SB200?

73
Gary K4FMX





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