[AMPS] My old amp

[km1h@juno.com]

On Tue, 13 Oct 1998 18:02:36 -0600 "Richard W. Ehrhorn" <w4eto@rmii.com>
writes:
>
>Unless I'm mistaken the original Loudenboomer came from Lee Bergren's 
>(W0AR?) Radio Industries in Kansas City. Think Hunter built the Bandit 
>in 
>or near Iowa City - in Collins country.


I bought  several Bandit 2000A's in Iowa City in 1963 Dick.  That was the
one with four 572B's and it was a group buy for contesters in NE.
The 2000C manual indicates a Des Moines address.

Definitely a ham amp - 
>competition 
>for Heath and the 30L-1, more or less.

Anyone know what years the SB-200 and SB-220 were introduced?

73   Carl   KM1H


>
>73,   Dick  W0ID
>-----Original Message-----
>From:	Kenneth D. Grimm [SMTP:grimm@lynchburg.net]
>Sent:	Monday, October 12, 1998 3:17 PM
>To:	amps@contesting.com
>Cc:	Jon Ogden; YDDOG@aol.com
>Subject:	Re: [AMPS] My old amp
>
>
>Wrong.  The Hunter Bandit was no CB amp, of that I am certain.  The
>company produced a good quality ham radio product in the early days of
>SSB.  They made the original "Loudenboomer,"  I believe.  
>Hallicrafters
>later produced their version of the same amp.  Does anyone know the
>story of how that business deal worked?
>
>More to the point, Jon's comments about the voltage on the caps is 
>right
>on!  If you go with what you've got, you are taking a pretty big
>chance.  At the very minimum you should reduce the surge that  you 
>will
>get when you turn the amp on.  Good luck in bringing back one of the
>venerable amps of yesteryear.
>73,
>Ken K4XL
>
>Jon Ogden wrote:
>>
>> >             Here is the story ,, at a recent hamfest I purchased a 
>
>Hunter
>> >2000 c
>> >* Bandit * .
>>
>> Please don't take offense, but this sounds like a Chicken Band Amp? 
>(From
>> the name).
>> > Finding the right filter capacitors was
>> >difficult , the
>> >originals are 140 MF at 475v ( 6 total ). I was only able to locate 
>this 
>type
>> >of
>> >cap at 450v and replaced them with these. The total voltage of 
>these
>> >capacitors
>> >is now about the same as the plate voltage 2700v. I know from an 
>engineering
>> >view this is terrible ,, but ,, will it work ?
>>
>> Uhh....I wouldn't run a circuit where my caps have no margin above 
>my
>> working voltage.  That's scary.  Especially when running in the KV 
>region.
>>
>> I would try to increase my voltage rating on the caps somehow.  
>Probably
>> by adding more caps in series to increase the voltage rating (you 
>may
>> have to then add more caps in parallel to bring up the value of C).
>>
>> 73,
>>
>> Jon
>> KE9NA
>
>--
>Ken K4XL
>grimm@lynchburg.net
>BoatAnchor Manual Archive - ftp://bama.sbc.edu
>
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