HU Pre-out questions
Hello,
I have an Alpine (7871) HU that has three sets of pre-outs. I am using the deck to power my front and rear speakers. I want to use the sub pre-out to power an amp and sub. So the front and rear pre-outs will not be used. The HU has sperate volume control for the sub and that the sub is supposed to be non-fading. Is the sub independant of the bass/treble controls? So if I adjust the bass levels on the HU (front/rear speakers) down, will this affect the sub at all? Does that make sense? And could someone explain the adjustments on this HU for bass/treble? Bass C. Bass Center Frequency: 60Hz - 80Hz - 100Hz - 200Hz Bass Bandwidth (Q-Factor): Wide1 - Wide2 - Wide3 - Wide4 Bass Level: -7 - +7 Treble C. Treble Center Frrequency: 10kHz - 12.5kHz - 15kHz - 17.5kHz Treble Level: -7 - +7 Obviously the level is self explanitory, but I don't really see what the other settings are doing. And how these setting effect the sub pre-out. Thanks in advance! Jay |
i have the exact same head unit, those bass settings are for the door speakers, if you press more buttons, i think its the ones near the volume control, you will get seperate bass controls for the sub, also, bbe has something to do with bass. i dont really know how to work the head unit that good, but if you still need help i will look for my manual when i get home tomorrow.
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Those settings should not affect the sub pre-out at all. There should be separate settings specifically for that.
As far as the Frequency Center goes: What this means is the where the boost is centered. Like: Bass Center Frequency: 60Hz - 80Hz - 100Hz - 200Hz.........means that the level control boosts or cuts (+7 to -7) the bass centered around the frequency selected. You can put more boost in the lower bass (60Hz) or more in the upper, mid-bass range (200Hz). That's a nice feature to have - rather than just a "bass" or "treble" control, you get to decide what part of the bass or treble to control - it's like having a multi-band equalizer, rather than just "bass, middle, treble". ~HH |
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