D1080 MkII 08 actives - crossover schematic
Posted 15th December 2010 at 03:28 AM by abraxalito
Updated 5th March 2012 at 03:54 AM by abraxalito
Updated 5th March 2012 at 03:54 AM by abraxalito
Here's a somewhat simplified schematic I entered to model the response curves in LTSpice. The volume control isn't shown (as LTSpice doesn't have the symbol) but happens before the first opamp. I've fudged up symbols for the bass and treble controls - they're simply variable resistance in the HF and LF feeds to the power amp board. LT1057 isn't actually used in this unit, its just the nearest library part to the TL084 
<edit> I've added the response curves now - look and weep
<edit> I've added the response curves now - look and weep
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