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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

4 Input SE Select, Volume, Mute, Remote
4 Input SE Select, Volume, Mute, Remote
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Old 6th March 2020, 06:31 AM   #11
Cctbrkr is offline Cctbrkr
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Join Date: Sep 2019
Ive carted majority of the components ready for purchse, will have to do some searching as some seem to be obsolete. Will report back on that.

I really would like a Volume Knob rather than the volume up and down buttons. Would this be difficult to work into the build?

Also not keen on building the remote. Is a apple tv remote something i could incorporate?

Thanks for the patience, i'm a noob in this realm!
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Old 6th March 2020, 08:32 PM   #12
johnhenryharris is offline johnhenryharris  United States
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Join Date: Nov 2012
Location: San Diego, CA
You found an error in the BOM, I updated the quantity but missed the reference numbers to the volume resistors. I have corrected the BOM.
Attached Files
File Type: zip DigitalVolumeControlBOM-V1.zip (32.8 KB, 7 views)
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Old 6th March 2020, 08:43 PM   #13
johnhenryharris is offline johnhenryharris  United States
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Join Date: Nov 2012
Location: San Diego, CA
I too am interested in a Knob verses Button for the Volume. Paulski is working on the idea. I am very interested to see his results and schematic.


For the remote, the receiver and transmitter use a dedicated encode/decode chip so is not compatible with other remotes, too many encode/decode methods to keep up with. Some have proposed using a universal remote and having it learn from the remote transmitter although I have not tried that. The Transmitter is a very simple to build device, which you can see in my other thread, and has been optimized over time.

Last edited by johnhenryharris; 6th March 2020 at 08:45 PM.
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