ATTN: MB Quart Gurus

[Logikalliquid 10+ year member]

A friend of mine found these in his attic and wants to find out a little bit about them. They are still in the original plastic. They have no markings to besides MB Quart 3-Way Competition Crossover. They also have 3way tweeter attenuation(-3, 0, +3db). Heres a couple of pics:

Thanks in advance

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[steelr 10+ year member]

I have those exact crossovers. bought them new back in 97 or so. I use mine with 7" low, 4" mid and 1" tweeter. I still have the box for mine and it says:

QM 300.70 COMP

crossover frequency: 250 hz and 5500 hz

Crossover slope: 12db/octave

Power handling: 150watts

 

[Logikalliquid 10+ year member]

Thats awesome! Thanks for the info. I'll probably be selling these as soon as I hear back from my friend. I'm sure someone would love to get their hands on these.