CR Boom Posted August 10, 2009 Report Posted August 10, 2009 When doing this with a DMM, how many volts = DB's??? It is a hard question to put into words, but say ported at 40hz some I put on a 36hz note by adjusting the SS knob how many volts should the out put drop to get a good cut-off rate? 2007 Great Wall So Cool 4-12' RE audio MX's Stetsom 7k2D 6-Batts 3-Mechman 250 amp Rhino's
Noobtastic14 Posted August 10, 2009 Report Posted August 10, 2009 If you want to cross at 30 and 80, then just play a 30hz tone and turn up the SS till you hear the woofer start to react then cut it back a tad. repeat with the LPF while playing an 80hz tone and your set -Drew I am a United States Military Arts and Crafts Professional. Sand it off, Paint it on. uhoh_45 said: dont be a pussy P give the jeep to drew
Boon Posted August 11, 2009 Report Posted August 11, 2009 It's a logarithmic scale. IIRC half the voltage = -3dB 10.x volts fo' life!
Decaf Posted August 11, 2009 Report Posted August 11, 2009 depends on the slope (-12 or -18 or -24) as to how close u can be and get that number, the higher the slope the easier it will be to tell the difference i try to always use the crossovers on the headunit and leave the ones on the amp alone
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