Would anybody know

Penguin · 19th September 2008, 09:24 PM

how to bias a Llano design CAS 300. I have 2 of them one of them is running at a toast 120 F while the other has been fixed and biased to cold.

Help is appreciated.

dee
;-D

ostripper · 20th September 2008, 03:59 AM

post schematic...

ostripper · 21st September 2008, 04:28 AM

If you don't have the schematic check emitter resistor MV on cool amp (example: 22mv) , adjust bias on

hot amp to match.
Also, let amps temperature stabilize for a while and recheck MV
reading.. best I could do...

19th September 2008, 09:24 PM	#1
Penguin diyAudio Member Join Date: Aug 2001 Location: Baltimore	Would anybody know how to bias a Llano design CAS 300. I have 2 of them one of them is running at a toast 120 F while the other has been fixed and biased to cold. Help is appreciated. dee ;-D

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20th September 2008, 03:59 AM	#2
ostripper diyAudio Member Join Date: May 2008 Location: Albany , NY (smallbany)	post schematic...

21st September 2008, 04:28 AM	#3
ostripper diyAudio Member Join Date: May 2008 Location: Albany , NY (smallbany)	If you don't have the schematic check emitter resistor MV on cool amp (example: 22mv) , adjust bias on hot amp to match. Also, let amps temperature stabilize for a while and recheck MV reading.. best I could do...

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