Crown (Amcron) IC 150 question

thermal runaway · 3rd April 2009, 02:30 PM

My Crown IC150 pre-amp has developed an intermittent chip on the left channel. Problem is the chip number is SL 60113 by National Semiconductors and I can't find a reference to this anywhere.
Could anyone suggest an equivalent or upgrade etc ? I'm based in the UK.

Thanks.

bosedtobosed · 3rd April 2009, 02:46 PM

think iT might be a LM301

thermal runaway · 3rd April 2009, 04:03 PM

That was one of the types used , I would like to know what this NS one is though.

jackinnj · 3rd April 2009, 04:07 PM

Crown keeps the manuals archived on their website -- IC130 and 230 are LF356H, IC's in the phono section are. # 100,200 are LM301.

You can replace these with LM4562 -- and the change will be pretty astounding

EDIT: Use the LME49710 -- it's the single --

I described an IC150A Pooge here:

Crown IC-150A POOGE

thermal runaway · 3rd April 2009, 04:28 PM

Excellent , thankyou !! Now you've done it though , having read about your mod's I'll start fiddling instead of listening !!

3rd April 2009, 02:30 PM	#1
thermal runaway diyAudio Member Join Date: Mar 2007 Location: West Mids , UK	Crown (Amcron) IC 150 question My Crown IC150 pre-amp has developed an intermittent chip on the left channel. Problem is the chip number is SL 60113 by National Semiconductors and I can't find a reference to this anywhere. Could anyone suggest an equivalent or upgrade etc ? I'm based in the UK. Thanks.

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3rd April 2009, 02:46 PM	#2
bosedtobosed diyAudio Member Join Date: May 2008	think iT might be a LM301

3rd April 2009, 04:03 PM	#3
thermal runaway diyAudio Member Join Date: Mar 2007 Location: West Mids , UK	That was one of the types used , I would like to know what this NS one is though.

3rd April 2009, 04:07 PM	#4
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	Crown keeps the manuals archived on their website -- IC130 and 230 are LF356H, IC's in the phono section are. # 100,200 are LM301. You can replace these with LM4562 -- and the change will be pretty astounding EDIT: Use the LME49710 -- it's the single -- I described an IC150A Pooge here: Crown IC-150A POOGE

3rd April 2009, 04:28 PM	#5
thermal runaway diyAudio Member Join Date: Mar 2007 Location: West Mids , UK	Excellent , thankyou !! Now you've done it though , having read about your mod's I'll start fiddling instead of listening !!

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