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Old 26th April 2013, 08:55 PM   #1
mikej56 is offline mikej56  United Kingdom
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Default 2 way crossover on Chinese pcbs

Recently acquired these boards from Ebay, with a view to sometime building a 2 way xover to feed low power class A amps (not built yet).
The only schematic is the one shown on the Ebay page, which also has a list of cap and resistor values for different xover frequencies.
No advice is given on which type of op amp should be used so I thought ne5524 might do.
A set of pcbs for just over 5 suits my small budget, and they appear to be good quality.
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Old 26th April 2013, 09:10 PM   #2
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There is no ne5524 in the universe. ne5534 won't work in the xovers unless you trickle it out (compensate for unity gain operation).
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Old 26th April 2013, 09:15 PM   #3
mikej56 is offline mikej56  United Kingdom
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A typo! I've been trying for the past 1/2 hour to upload the diagram and a photo, but my internet connection keeps crashing.
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Old 26th April 2013, 09:21 PM   #4
mikej56 is offline mikej56  United Kingdom
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Default 2 way xover

circuit diagram
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File Type: jpg 2 way active xover cct.jpg (45.8 KB, 114 views)
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Old 26th April 2013, 09:24 PM   #5
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it's
2-Way Active Crossover with Linear Phase Response
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Old 26th April 2013, 09:30 PM   #6
mikej56 is offline mikej56  United Kingdom
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Excellent. Thanks!
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Old 27th April 2013, 01:29 AM   #7
mikej56 is offline mikej56  United Kingdom
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Default 2 way xover

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