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Old 3rd April 2009, 02:30 PM   #1
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Default 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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Old 3rd April 2009, 02:46 PM   #2
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think iT might be a LM301
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Old 3rd April 2009, 04:03 PM   #3
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That was one of the types used , I would like to know what this NS one is though.
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Old 3rd April 2009, 04:07 PM   #4
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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
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Old 3rd April 2009, 04:28 PM   #5
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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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