[Amps] HB amps

Gary Schafer garyschafer at comcast.net
Fri Mar 3 17:36:41 EST 2006



> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
> Behalf Of Mike Bondarev
> Sent: Friday, March 03, 2006 4:36 PM
> To: amps at contesting.com
> Subject: Re: [Amps] HB amps
> 
> Hi Gary!
> 
> > A pair of 813's will easily produce 600 watts output and do it for years
> and
> > years. They are very rugged tubes. I have an amp with a pair of them
> that I
> > built in the mid 60's and it still has the same pair of tubes. At one
> time I
> > ran them with over 3000 volts on the plates for several years with the
> > plates regularly showing color and power out well above 600 watts.
> > The same tubes now run at around 2500 volts and still put out 600 watts
> and
> > no color.
> 
> > Not the best tube in the world but for the price and as rugged as they
> are
> > they are hard to beat.
> > They will perform well on a wide range of voltages too. 2000 to 3000
> volts.
> 
> > 73
> > Gary  K4FMX
> 
> 
> Is it GG or GC ?
> 
> Regards, Mike RL3BM
> 

It is GG.

73
Gary  K4FMX




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