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November 23, 2014, 12:37:02 PM
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DIYstompboxes.com  |  DIY Stompboxes  |  Building your own stompbox  |  How to reduce 12 v to 9 v? 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: How to reduce 12 v to 9 v?  (Read 1092 times)
JebemMajke
Posts: 520

Miša Živanović


How to reduce 12 v to 9 v?
« on: April 15, 2012, 12:54:56 PM »

I've made framus cobra preamp, with FETs and Im running it with 12v power supply. I would like to put ROG's condor cab simulator in the same box, but condor requires 9v. Any advice?
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CynicalMan
Posts: 1613


Alex L. - Canada


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Re: How to reduce 12 v to 9 v?
« Reply #1 on: April 15, 2012, 01:03:07 PM »

The Condor will run fine on 12V.
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lonewolf
Posts: 159


Re: How to reduce 12 v to 9 v?
« Reply #2 on: April 15, 2012, 01:47:09 PM »

use a 10v 1 watt zener diode with a 100 ohm resistor..very simple..makes a great voltage regulator....
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HOTTUBES
Posts: 541



Re: How to reduce 12 v to 9 v?
« Reply #3 on: April 15, 2012, 02:47:34 PM »

use a 10v 1 watt zener diode with a 100 ohm resistor..very simple..makes a great voltage regulator....

Do you have a diagram of this is use , or a link etc etc ...

Thanks
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merlinb
Posts: 1221


Merlin, Lancashire UK


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Re: How to reduce 12 v to 9 v?
« Reply #4 on: April 15, 2012, 03:07:40 PM »

A 78L09 provide regulated 9V without wasting as much power as a zener.
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R.G.
more
Posts: 16297


WWW
Re: How to reduce 12 v to 9 v?
« Reply #5 on: April 15, 2012, 03:15:23 PM »

Go read geofex.com.

In this case, Power Supplies Basics (http://geofex.com/Article_Folders/Power-supplies/powersup.htm), from 2001.
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R.G.

Every single NASA manned mission starting with the Gemini series has carried a roll of duck tape.
Yes, really. Look it up.
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