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#1986839 - 11/14/12 10:16 PM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
Grotriman Offline
500 Post Club Member

Registered: 03/07/04
Posts: 724
Loc: New York City
OK by now the bulbs would have become loose, and yet they have not. I am therefore working under the theory that the excessive heat of 15W per bulb caused thermal expansion that caused the bulbs to back out of their sockets.

So there are now two benefits to using a lower wattage - longer life (still to be proven) and not coming loose!
_________________________
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Grotriman

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#1995655 - 12/06/12 08:50 PM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
Grotriman Offline
500 Post Club Member

Registered: 03/07/04
Posts: 724
Loc: New York City
Bumping to say still no blown bulbs and none of them loosening, none blowing. This is definitely the solution for those who have this type of lamp. Deal with a lower wattage and you are trouble free! (It is a yellower experience.)
_________________________
Regards,

Grotriman

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#1995673 - 12/06/12 10:23 PM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
ventil Offline
Full Member

Registered: 12/15/11
Posts: 149
Loc: TX
Thanks for the update, Grotriman. So you are using the 6W lamps from the source you referred to earlier? I can deal with less brightness if I can get less heat.
_________________________
David M. Boothe, CAS

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#1995776 - 12/07/12 05:14 AM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
backto_study_piano Offline
500 Post Club Member

Registered: 01/28/10
Posts: 859
Loc: Queensland, Australia
Heat is the killer of incandescent bulbs. In the strongroom of my last workplace, we had an enclosed light fitting which would be on 10 hrs/day, and the bulb would blow every 6-12 weeks. I suggested to the maintenance man that we leave the cover off the enclosure - that bulb lasted for years.

Looks like an E-12, though you can check on http://en.wikipedia.org/wiki/Edison_screw

At LAMPS PLUS, , is http://www.lampsplus.com/products/ge-15-watt-exit-sign-indicator-light-bulb__91019.html - looks like the same size, but 145volt.

Ebay has a number of LEDs which fit an E-12, but they're all "fat". Not sure if you can modify it so they'll fit?
_________________________
Alan from Queensland, Australia (and Clara - my Grotrian Concert) & 2 Allen Organs [long story] - MDS312 and CF-15.

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#1998539 - 12/12/12 06:42 PM Re: Piano Lamp (Candelabra) Bulbs [Re: ventil]
Grotriman Offline
500 Post Club Member

Registered: 03/07/04
Posts: 724
Loc: New York City
Originally Posted By: ventil
Thanks for the update, Grotriman. So you are using the 6W lamps from the source you referred to earlier? I can deal with less brightness if I can get less heat.


Correct! (Sorry for the delay I don't visit the forum often)
_________________________
Regards,

Grotriman

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#2000193 - 12/16/12 10:27 AM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
yshhq Offline
Junior Member

Registered: 12/01/12
Posts: 17
would you tell us where we can find those?

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#2004754 - 12/26/12 11:35 PM Re: Piano Lamp (Candelabra) Bulbs [Re: yshhq]
Grotriman Offline
500 Post Club Member

Registered: 03/07/04
Posts: 724
Loc: New York City
Originally Posted By: yshhq
would you tell us where we can find those?


From a previous post: "Update - I found a source for these bulbs, relatively inexpensive at $1.28 for 10 or more, and also in a 6W version rather than the 15W. I'm working on the theory that less heat will make them last longer. (stock # B708106)

Added side benefit is that they cast a dimmer more yellow light in the same manner as Chopin's candles would have provided. Thus adding some more realism to my playing."

at Bulbs.com

http://www.bulbs.com/results.aspx?Ntt=B708106
_________________________
Regards,

Grotriman

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#2004775 - 12/27/12 02:17 AM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
BDB Offline
Yikes! 10000 Post Club Member

Registered: 06/07/03
Posts: 23772
Loc: Oakland
That ad had the specifications, so I was able to track down information about an LED version here.
_________________________
Semipro Tech

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#2187790 - 11/24/13 03:41 PM Re: Piano Lamp (Candelabra) Bulbs [Re: Grotriman]
Grotriman Offline
500 Post Club Member

Registered: 03/07/04
Posts: 724
Loc: New York City
Bump to keep you up to date:

I see it is a year later, and I have only had one bulb go bad. Definitely the lower wattage was the trick for this lamp.
_________________________
Regards,

Grotriman

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