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Chip Amps Amplifiers based on integrated circuits

Help me design my home music system amplifier with loudness controls.
Help me design my home music system amplifier with loudness controls.
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Old 19th December 2017, 08:53 AM   #11
BasicHIFI1 is offline BasicHIFI1  Sri Lanka
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Might as well order a tone control and see. May be able to get one locally.

Tone Volume Bass Treble Control Board 3-Channel Subwoofer 2.1 Amplifier DIY Kits | eBay
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Old 19th December 2017, 01:51 PM   #12
Naaling is offline Naaling  Portugal
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Quote:
Originally Posted by BasicHIFI1 View Post
I could use an EQ, but I do not want to spend too much, it will cost much more than the amplifier board.

There are software EQs did you mean that? Some streaming music services do not have the EQ facility, and anyway have to be adjusted on the device, nice to have some physical tone controls.
If you are using Windows, you might find "equalizer apo" useful. It installs at the operating system level and can be used for anything you play. And its free.

Equalizer APO download | SourceForge.net

Peace Equalizer, UI for Equalizer APO download | SourceForge.net
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Old 19th December 2017, 06:22 PM   #13
ctrlx is offline ctrlx  United Kingdom
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you want a "loudness boost" function, whereby its level of "boost" is defined by the position of your volume setting?
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Old 19th December 2017, 06:44 PM   #14
scottjoplin is offline scottjoplin  Wales
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^ Doesn't everyone, have you a solution?
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Old 19th December 2017, 07:34 PM   #15
globalplayer is offline globalplayer  Germany
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I found this:
A Loudness-Compensated Level Control Stage
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Old 19th December 2017, 07:55 PM   #16
scottjoplin is offline scottjoplin  Wales
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That's a very good article, now try and find a 10% tapped pot
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Old 19th December 2017, 08:05 PM   #17
globalplayer is offline globalplayer  Germany
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Old 19th December 2017, 08:20 PM   #18
scottjoplin is offline scottjoplin  Wales
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Have a look at fig 5, that is a special pot with an extra connection 10% of the way along the track in addition to the usual 3.
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Old 19th December 2017, 08:44 PM   #19
globalplayer is offline globalplayer  Germany
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^ It has a tap but I don't know the percentage.
Hard to find it seems.
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Old 19th December 2017, 08:47 PM   #20
scottjoplin is offline scottjoplin  Wales
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Yes, it says 10% in the text. I've not seen that before. There are some centre tapped pots available usually sliders they used to be used quite extensively in graphic equalisers. And I've seen centre tapped pots used in variable loudness controls.
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