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2.1 Active Crossover
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Old 13th November 2020, 11:56 PM   #11
andrewlebon is offline andrewlebon  India
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Default 3 way active filter

Version #2 of my active HiFi speakers

Hello
greetings have assembled this 3 way active crossover mid and
highs section is vey clear but i cannot figure out placement
of bass component section anyone tried this crossover
warm regards
Andrew
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File Type: jpg 3 way.jpg (797.0 KB, 184 views)
File Type: jpg aconew.jpg (584.5 KB, 184 views)
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Old 14th November 2020, 12:21 PM   #12
tvrgeek is offline tvrgeek  United States
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Nice little circuit. My XKitz run with a single supply and artificial ground so power on and off thump is horrible. Balanced supplies, if tracking, can be much better.

As you know the input impedance, you can add a good cap to the input as a subsonic filter.

If you really want to understand active crossovers and small signal design, I recommend D.Self books on the subject.
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Old 4th August 2021, 03:48 AM   #13
andrewlebon is offline andrewlebon  India
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Default Subwoofer amplifier

Hello
greetings a small 100 watt subwoofer amplfier schematic by Ostripper
very nice amp for a home subwoofer .Omit +E/-E they are for short
circuit protection.

warm regards
Andrew
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File Type: jpg pre-system.bmp.jpg (162.1 KB, 131 views)
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File Type: mp4 video-1628047806.mp4 (6.10 MB, 7 views)
File Type: pdf Sprint-Layout 6.0 - [C__Users_user_Desktop_alex.lay6].pdf (35.6 KB, 21 views)
File Type: pdf xr.pdf (76.2 KB, 22 views)
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Old 26th August 2021, 02:33 PM   #14
andrewlebon is offline andrewlebon  India
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Default Subwoofer amplifier

The filter sectionamplifier section will be posted.

warm regards
Andrew
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File Type: png SUB_V1.PNG (64.3 KB, 78 views)
File Type: jpg 239767872_6694422897250613_9072850741839561857_n.jpg (99.8 KB, 79 views)
Attached Files
File Type: pdf Sprint-Layout 6.0 - [C__Users_user_Desktop_evens.lay6].pdf (35.5 KB, 6 views)
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Old 15th September 2021, 05:33 AM   #15
andrewlebon is offline andrewlebon  India
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Default Gain preamp

Hello
greetings can a gain stage be added to the output of this subfilter
so that i can get about 1.5 volt RMS.
warm regards
Andrew
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File Type: jpg efy.jpg (458.2 KB, 21 views)
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Old 16th September 2021, 12:50 AM   #16
andrewlebon is offline andrewlebon  India
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Default SUB FILTER

Working now has enough gain.

warm regards
Andrew
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