Peterson Model 520 tuner

[Clyde Hollinger]

Friends,

I used one of these for years to help me set an F-F temperament somewhat
faster, using aural checks.  I did the rest of the piano aurally.  I used it
for the temperament when I took my tuning test in 1996.  The judges said they
had never tested anyone before who used one.  They found it interesting,
though, that my aural temperament was better than my ETD-assisted one was.
I've since graduated to RCT.

The strobe shows inharmonicity quite well.

Regards,
Clyde Hollinger, RPT

bases-loaded@juno.com wrote:

> Among a VERY large accumulation of organ parts is a quite new (app. 5
> years old, but used very little) Peterson Model 520 tuner.  It was
> featured in the Schaff Tool Catalog in 1996.  Technician price then was
> $599.  It has a feature that allows for an audible tone to be emitted at
> each pitch across a five octave range, and headphones can even be used to
> listen to the beats between the internal tone and the external tone from
> the instrument.  Naturally, it also includes the large visual readout, as
> well, over a full 8 octave range.
>
> The asking price for this is $350, and is negotiable.  If anyone is
> interested please contact me privately.