Heat-Damaged Bass String?

[Kdivad@aol.com]

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In a message dated 10/21/02 7:30:08 PM Central Daylight Time, 
pianotuna@accesscomm.ca writes:


> Hi David,
> 
> The shank bending pliers that I recommend the incandescent dimmer switch
> for (NOT MOTOR CONTROLLER) draw 150 watts. I agree they should not be used
> with a heat gun--but for different reasons. You may well burn out the motor
> on a heat gun with such a dimmer, which uses a silcon controlled rectifier
> to switch the A.C. into pulse D.C. and reduces the voltage by reducing the
> number of pulses.
> 
> A side benefit of using an SCR on regular incandesent bulbs is that they
> will last for years longer with pulse DC rather than A.C.
> 
> 

Thanks for the scientifics.

David Koelzer
Vintage Pianos
DFW

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