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Old 12th August 2015, 05:53 PM   #1
diyAudio Member
Join Date: Jun 2014
Default Isolate 2 headphone amps with one source - HELP!

Hi Everyone,

I'm currently building a a project, where I have one input source (an MP3 player, or laptop, etc...) and I want to split it into two headphone amplifiers, each of them with individual volume controls for both left and right channels.
This is the schematic I'm using:

Portable 9V Headphone Amplifier - RED - Page119

The problem I have is that the volume controls affect both headphone amplifiers. Is there a way of isolating both amplifiers, so they recieve the same signal, but they are completely independent from each other?

The way I'm wiring it is basically going from one stereo input jack to each of the amplifiers. They also share the same power source.

Any help will be more than appreciated!

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