Problems PS Audio Delta 100

Arroyo · 21st August 2011, 05:25 PM

I just purchased a PS Audio Delta 100 in what appears to be great shape
however after 20 minutes of useage with my Apogee Calipers the right
channel made a noise ( as if cold solder joint) then a loud hum of which I
turned it off. Later re ran this channel into a standard speaker and works
fine. The only point I notice is a DC offset on the bad channel of say 1 to
2 volts at turn on ( first time power on from cold ). Secondary turn ons
voltage is low and normal .045 V DC. Have an idea something is opening up
but trying to avoid damage... The Apogees are working fine with original
amp as well and believe the load of current could be a cause of the problem
with the Delta 100... Any thoughts and or directions.

As a side note both channels run quite warm at idle...

analogrules · 19th October 2011, 03:31 AM

Hello Have u found the prob? I to have a PS Audio Delta 100 seems very nice a little light in the bottom end but good detail . Can u tell me how to adjust the dc offfset in my amp and what should it be at?

Thanks

analogrules · 20th October 2011, 12:02 AM

Mine runs hot as well , but I do know it a class A/AB amp witch would make sense.

21st August 2011, 05:25 PM	#1
Arroyo diyAudio Member Join Date: Jun 2005 Location: colorado springs colorado	Problems PS Audio Delta 100 I just purchased a PS Audio Delta 100 in what appears to be great shape however after 20 minutes of useage with my Apogee Calipers the right channel made a noise ( as if cold solder joint) then a loud hum of which I turned it off. Later re ran this channel into a standard speaker and works fine. The only point I notice is a DC offset on the bad channel of say 1 to 2 volts at turn on ( first time power on from cold ). Secondary turn ons voltage is low and normal .045 V DC. Have an idea something is opening up but trying to avoid damage... The Apogees are working fine with original amp as well and believe the load of current could be a cause of the problem with the Delta 100... Any thoughts and or directions. As a side note both channels run quite warm at idle...

19th October 2011, 03:31 AM	#2
analogrules diyAudio Member Join Date: Jul 2010 Location: s.c.	ps audi0 Hello Have u found the prob? I to have a PS Audio Delta 100 seems very nice a little light in the bottom end but good detail . Can u tell me how to adjust the dc offfset in my amp and what should it be at? Thanks

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20th October 2011, 12:02 AM	#3
analogrules diyAudio Member Join Date: Jul 2010 Location: s.c.	Mine runs hot as well , but I do know it a class A/AB amp witch would make sense.

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