Hi
I am looking to add another pair of outputs to an old car stereo head, so there are 6 instead of 4 (pre-amp level) channels out, all with the same output level.
So - I am looking to take one of those stereo pairs and duplicate them, with the resulting pairs being the same output level as the single outputs with some sort of buffer amplifiers (so I have three stereo pairs coming from the amp, albeit with two of those tied together on the fader control).
This is presumably a basic generic circuit - but I can't find quite what I'm looking for on the web, or the name this sort of circuit goes by (buffered splitter?).
I don't know what the exact output levels coming from the stereo head pre-amp channels are, but they must be within standard range because it works ok on several different car amps.
Making a circuit board is no problem, but I am after some advice on the right design for this purpose. Or else perhaps there is a cheap Ali-express unit which does this job for pennys (what would that item be called?) - though I am happy to make my own DIY board.
Thanks
I am looking to add another pair of outputs to an old car stereo head, so there are 6 instead of 4 (pre-amp level) channels out, all with the same output level.
So - I am looking to take one of those stereo pairs and duplicate them, with the resulting pairs being the same output level as the single outputs with some sort of buffer amplifiers (so I have three stereo pairs coming from the amp, albeit with two of those tied together on the fader control).
This is presumably a basic generic circuit - but I can't find quite what I'm looking for on the web, or the name this sort of circuit goes by (buffered splitter?).
I don't know what the exact output levels coming from the stereo head pre-amp channels are, but they must be within standard range because it works ok on several different car amps.
Making a circuit board is no problem, but I am after some advice on the right design for this purpose. Or else perhaps there is a cheap Ali-express unit which does this job for pennys (what would that item be called?) - though I am happy to make my own DIY board.
Thanks
In general, none. The output of a head unit has a low output impedance (typically 100 ohms or less). The input on most amplifiers is typically about 10k ohms.
The y-cable is a straight-wire connection from the input to the output so there is no loss through it.
The y-cable is a straight-wire connection from the input to the output so there is no loss through it.
