Transformer Heat

[Bill Kidd]

Robert Goodale wrote:
> 
> I would be interested in hearing some opinions about the heat output of
> a PianoDisc power supply transformer.  For those not familiar, the unit
> is hung below the inside rim under the piano, (grands).  Even when the
> unit is not in operation it puts out measurable heat.  It is also only
> inches away from the soundboard.  It obviously gets even hotter when in
> use, and contains a small cooling fan that comes on automatically in
> extreme circumstances.  the fan is on top and blows directly onto the
> soundboard.
> 
> I installed such a unit in a Yamaha C-3 about 10 months ago.  Everything
> works perfectly but I can't help but wonder what the long term effects
> might be with this continuous heat source directed on the board like
> that, especially in one specific place.
> 
> Thanks,
> 
> Rob Goodale, RPT

I have the same concerns.  I have considered adding some kind of heat 
sink or insulating material between the fan and the soundboard as a 
precautionary step.  Surely PianoDisc has considered this potential 
problem.  We will know for sure in 4 or 5 years. 
Bill Kidd