You're probably OK if you don't worry about it.

----- Original Message -----
From: Howard, W A 9 Y B W <[log in to unmask]>
To:  [log in to unmask]
Date: Monday, Sep 12, 2011 07:33:40 AM
Subject: Re: For the other certifiable Old Timers Among Us

>
>
> Hi this is one of the Howard's, W A 9 Y B W, Springfield, IL.
> 
> How old or what other qualifications do you need to be considered one of the 
> other certifiable Old Timers Among Us?
> 
> Just wondered if I was there yet.
> 
> 73's
> 
> Howard #3
> 
> ----- Original Message
> 
> ----- 
> From: "Martin McCormick" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Monday, September 12, 2011 10:12 AM
> Subject: Re: For the other certifiable Old Timers Among Us
> 
> 
> > I got one of their audio amplifier modules in 1964 for
> > my thirteenth birthday and it really worked quite well. Several
> > years later, it died when I transplanted it from one box it was
> > in to another and one of the leads broke off flush with the
> > epoxy. I think that module was made to work in a phonograph as
> > the input would take a crystal pickup and the 2-watt output was
> > about what you got with the one-tube amplifiers in a lot of
> > record players of that day.
> >
> > A lot of those phonographs had a motor with a
> > transformer secondary wound on the same core as the field magnet
> > for the motor.
> >
> > Anyway, one of those modules would have probably worked
> > nicely off the 6.3-volt filament winding when rectified and
> > filtered.
> >
> > I used mine for all kinds of weird stuff and once even
> > connected the audio input to a solar cell and let my whole class
> > hear the fluorescent lights in the room buzz through the
> > speaker. I then explained that the buzz was due to the fact that
> > the lights were actually going on and off 120 times per second
> > with each half-cycle of power.
> >
> > The amplifier was still being run from a normal battery,
> > but the solar cell converted any ambient light in to sound if
> > the light was varying. If it was steady light Sun light, you
> > just heard a thump when you exposed the cell to it.
> >
> > I do remember those modules well.
> > Butch Bussen writes:
> >> I remember those.  They were way cool!!!  I had a cw monitor and 
> >> somewhere
> >> I think I still have an am transmitter.  I had one die once and broke it
> >> apart, just a bunch of discreet components in epoxy.
> >> 73
> >> Butch
> >> WA0VJR
> >> Node 3148
> >> Wallace, ks.
> >>
> >>