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-   -   22Kohm instead 20K (http://www.diyaudio.com/forums/solid-state/24278-22kohm-instead-20k.html)

nbcd 15th December 2003 05:19 PM

22Kohm instead 20K
 
Hy all
I have done the amp from

http://sound.westhost.com/project03.htm (see the second schematic)

and it sounds great but i replaced the 20Kohm potentiometer with 22K.Is there a difference ?How can i obtain grater output power?
Regards!

sreten 15th December 2003 05:23 PM

Re: 22Kohm instead 20K
 
Quote:

Originally posted by nbcd
Hy all
I have done the amp from

http://sound.westhost.com/project03.htm (see the second schematic)

and it sounds great but i replaced the 20Kohm potentiometer with 22K.Is there a difference ?How can i obtain grater output power?
Regards!

a) none at all.

b) with great difficulty if you have a decent power supply.

:) sreten.

Kilowatt 16th December 2003 12:02 AM

22k would be within 10% anyway, there would be no difference, especially since it is a pot and will probably be nowhere near the limit anyway.

If you want more power, you will need to up either the gain or the input signal level, use higher voltage rails (and devices that can handle it), and more power transistors. However, there is a practical limit before the circuit will need more design changes.


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