Re: 810 tubes for sale (and others)

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

Original poster: "Ed Sawyer by way of Terry Fritz <twftesla-at-qwest-dot-net>" <sawyer-at-waterville-dot-com>

John-

thanks for the info - wow - big sparks from one of those, sounds like. I am
impressed they could handle 4kv - audio rating is for 1200v I think, max.
(!)
thanks,
-Ed

>Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
><FutureT-at-aol-dot-com>
>
>In a message dated 3/15/02 8:45:21 AM Eastern Standard Time, tesla-at-pupman-dot-com
>writes:
>
>Ed,
>
>I've used 845's in a tube coil.  Their limitation is the low plate
>voltage and lack of a tube cap.  Still, I've fed them with 4kVAC
>and gotten 19" sparks from a single 845 tube.
>
>I have some schematics at my website which will work with
>845's.  Some adjustment of grid leak resistance and feedback
>may be needed for optimal results.
>
>Cheers,
>John
>
>
>>
>> hi Matt -
>>
>> thanks for the reply. They do sound (and look) like powerful units... big
>> and meaty build quality, typical of vintage RCA stuff. (Have some of their
>> 845s too). That would be quite the audio amp (400-500w!) but I'd not know
>> where to start. Nor for VTTC's using them either.. is there a good recipe
>> somewhere on the web for using these? If anyone wants one or two I'd let em
>> go for $100/ea. or whatever is reasonable.
>>
>> thanks,
>> -Ed
>>