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May 25, 2013, 02:03:19 PM
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DIYstompboxes.com  |  DIY Stompboxes  |  Building your own stompbox  |  Replacing an LED with a Incandescent Bulb? 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: Replacing an LED with a Incandescent Bulb?  (Read 469 times)
aeiou
Posts: 46


Replacing an LED with a Incandescent Bulb?
« on: June 15, 2012, 08:38:10 PM »

can an LED be readily replaced with a small incandescent bulb in a 9v pedal circuit? what would i need to do to replace an led with this bulb?

https://www.interlight.biz/light-bulb/1812

alternatively -- is there a bulb out there that might work better?
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iccaros
Posts: 1145


Steve H. - Lesser Seattle Area


Re: Replacing an LED with a Incandescent Bulb?
« Reply #1 on: June 15, 2012, 10:33:05 PM »

Without knowing what this is going in, maybe..
in general yes, remove the resistor along with the LED
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davent
Posts: 1428


dave c. -Hammer Mtn. ON


Re: Replacing an LED with a Incandescent Bulb?
« Reply #2 on: June 16, 2012, 01:36:43 AM »

That is a rather large bulb and extremely power hungry, a brite LED can easily run at half a milliamp, that bulb's specs say 200ma.

Small Bear has a variety of small bulbs which are much easier on the power then the one you linked.

http://www.smallbearelec.com/servlet/Categories?category=LEDs%2C+Lamps%2C+Fuses&searchpath=26894&start=9&total=21

dave

edit: my spelling sucks
« Last Edit: June 16, 2012, 07:36:56 PM by davent » Logged

"Turn it up to 10 and rip off the knob."- Patterson Hood
amptramp
Posts: 1441


Ron R.


Re: Replacing an LED with a Incandescent Bulb?
« Reply #3 on: June 16, 2012, 06:58:09 PM »

Don't forget that a lamp has a much higher inrush current than steady-state current.  For light bulbs, it is about 17 times the current.  For tube heaters, it is about 3.5 times the current.  The rating on a lamp is for the steady state.
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R.G.
more
Posts: 14458


Re: Replacing an LED with a Incandescent Bulb?
« Reply #4 on: June 16, 2012, 11:03:01 PM »

 uh... WHY??
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R.G.

What *was* the media thinking? Did they really believe that only the Second Amendment would be suppressed for political convenience? There are all those other pesky limitations on power to be dealt with, too.
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