I am selling the 6XS that I am no longer using in my sound system. It is clean and 100% functional. This thing is super nice, and a large improvement over the built-in crossovers in most multi-channel amps.
Included in sale:
1 x 6XS crossover unit, fully tested and functional
3 x RCA cables (~3ft length)
The price is $100 shipped in the US lower 48 states. Payment via PayPal only.
Product info & user manual:
Understand how to use it before buying. You change the crossover frequencies by changing some internal resistors (there are DIP sockets under the cover). This is more work than turning a knob, but you get VASTLY better crossover performance because multi-gang potentiometers are never well matched. Pages 6, 10 & 11 go over the resistor groups and how you choose a value.
As it is configured now, the crossover frequencies are:
Subwoofer Out - 24Hz HP (protection), 119Hz LP
Front Lowpass Out - 119Hz HP, 3038Hz LP
Front Highpass Out - 3038Hz HP
Rear Highpass Out - 119Hz HP
If you want to change them, the easiest option is a resistor array. This link has a list of (currently) in stock 8-resistor arrays which should work well. Basically, XO frequency = 7200 / (Resistor value in kOhms). If you want to get really crazy, you can buy a bunch of tight tolerance axial resistors and match them with a multimeter, and I am including 5 x 16-DIP sockets that you can use for this.
https://www.mouser.com/c/passive-com...s%7C~Packaging
It also has a jumper for selecting the grounding arrangement, which I found super handy. You can choose between ground-to-ground, fully isolated and 200 Ohm ground-tie. This is a nice little feature if you find ground loop issues in your install.


Included in sale:
1 x 6XS crossover unit, fully tested and functional
3 x RCA cables (~3ft length)
The price is $100 shipped in the US lower 48 states. Payment via PayPal only.
Product info & user manual:
Understand how to use it before buying. You change the crossover frequencies by changing some internal resistors (there are DIP sockets under the cover). This is more work than turning a knob, but you get VASTLY better crossover performance because multi-gang potentiometers are never well matched. Pages 6, 10 & 11 go over the resistor groups and how you choose a value.
As it is configured now, the crossover frequencies are:
Subwoofer Out - 24Hz HP (protection), 119Hz LP
Front Lowpass Out - 119Hz HP, 3038Hz LP
Front Highpass Out - 3038Hz HP
Rear Highpass Out - 119Hz HP
If you want to change them, the easiest option is a resistor array. This link has a list of (currently) in stock 8-resistor arrays which should work well. Basically, XO frequency = 7200 / (Resistor value in kOhms). If you want to get really crazy, you can buy a bunch of tight tolerance axial resistors and match them with a multimeter, and I am including 5 x 16-DIP sockets that you can use for this.
https://www.mouser.com/c/passive-com...s%7C~Packaging
It also has a jumper for selecting the grounding arrangement, which I found super handy. You can choose between ground-to-ground, fully isolated and 200 Ohm ground-tie. This is a nice little feature if you find ground loop issues in your install.




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