Re: Music Instrument Tube Amps conversion to Tesla use?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Area31 Research Facility by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rwstephens-at-hurontario-dot-net>

Albert,
 
6L6 tubes and the other components in these guitar ampz are not well suited for
vac toob tesla coil use.  I also believe there would be good interest on ebay
for ampz without speaker boxes.  Just make sure you show good pictures.  Take
the money and buy an 833A triode or 833C from RF Parts Co.
<http://www.rfparts-dot-com>www.rfparts-dot-com  Use a microwave oven transformer from
one of the larger power rated 120 volt ovens.  Save he diode and capacitor also
and try to get a second capacitor from another oven.  You will use these in
parallel as one in your voltage doubler circuit.  You will need to find other
parts not available in guitar ampz either, like the mica or otherwise tank
capacitor, grid leak power resistor, etc.  Properly done you will get a
beautiful 22 inch discharge from a single 833A with the power supply
described.  All you could do with your guitar ampz after throwing away 99% of
the parts as unusable would be maybe an inch discharge.
 
If you can, keep one of the guitar ampz (I'd keep the highest power one) as a
source of audio power in case you wish to make your newly constructed vac toob
TC 'speak' someday.
 
IMO
R Stephens
 
----- Original Message ----- 
>
> From: <mailto:tesla-at-pupman-dot-com>Tesla list 
> To: <mailto:tesla-at-pupman-dot-com>tesla-at-pupman-dot-com 
> Sent: Thursday, June 07, 2001 00:40
> Subject: Re: Music Instrument Tube Amps conversion to Tesla use?
>
> Original poster: "albert hassick by way of Terry Fritz
> <<mailto:twftesla-at-qwest-dot-net>twftesla-at-qwest-dot-net>"
> <<mailto:uncadoc-at-juno-dot-com>uncadoc-at-juno-dot-com>
>
> Hi Ralph. OK, I have had three posts so far on these Fender and Peavey
> tweed amps.  So far everyone feels that I should sell these buggers on
> Ebay or etc. But these amps are sans speakers and the Twin Reverb has
> been cut away from its cabinet and is now placed atop a Fender Showman
> Speaker box with two Electrovoice 12" 600watt peak to peak speakers,
> anyway the Bandmaster cabinet is good for 300 watts rms plus.But one of
> the vintages has no cabinet.  The one that has a cabinet is a Peavey
> vintage 4=10" cabinet, but all four of the speakers are gone And have
> been placed into a PA system.  The amp is used with a Acoustic  large 18"
> speaker cabinet  Speaker box.  The Peavey twin twelve has no cabinet and
> the amp at 187 watts stands free, but I still want to convert these amps
> into a VTTC if a all possible.  No one on Ebay would want a amp without
> its speaker box, at least I do not think so, this is why I would like to
> convert these three orphans into a Tesla VTTC if at all possible. So I
> ask again, can I series the three amps with 12 6L6GC tubes into a Tesla
> VTTC>   Al.  
>
>
>  Al..  
> et>" 
> > <<mailto:Parpp807-at-aol-dot-com>Parpp807-at-aol-dot-com>
> > 
> > In a message dated 6/6/01 12:47:48 PM Central Daylight Time, 
> > <mailto:tesla-at-pupman-dot-com>tesla-at-pupman-dot-com 
> > writes:
> > 
> > << The amps are OK but the filter banks are
> >  weak, but I do not think that those filter caps would even be used 
> > with a
> >  VTTC.  >>
> > 
> > The 6L:6 does not make for a good VTTC as you are much better off 
> > using a 
> > triode for Class C operation with a tube like the 811 or 833. It 
> > sounds like 
> > you have three good
> > stereo amps, each with push-pull 6L6 output. They are valuable as 
> > amplifiers.
> > Check out some of the prices on the auction place.
> > 
> > I assume you are referring to the power supply filter caps. If they 
> > are a bit 
> > leaky they are easily replaced. I would not wreck those amplifiers.
> > 
> > Cheers,
> > Ralph Zekelman
> > 
> > 
> > 
> > 
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