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Car Audio Equipment
Subwoofers
Just got new JL Audio Sub and amp, new to audio, how to not blow it??
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<blockquote data-quote="TMills" data-source="post: 8371173" data-attributes="member: 665473"><p>sure. i just took a look on crutchfield for the specs of the HU.</p><p></p><p>heres what some of the specs say and forgive me for being a beginner but i barely understand any of this, but im trying to learn.</p><p></p><p>2.5V/4CH Preamp Output: two pair of 2.5V preamp outputs (Front, Rear/SW). You can set the Rear/SW preamp outputs for connecting a pair of full-range rear speakers (through an external amplifier) or for connecting a subwoofer (through an external amplifier). When set for rear speakers, the rear outputs operate with the unit's fader control. When set for subwoofer, the outputs are non-fading.</p><p></p><p>Subwoofer Controls: When the unit's Rear/SW preamp output is set to Subwoofer, you can set the cutoff frequency of the low-pass filter at 55Hz, 85Hz, or 120Hz. You can also adjust the head unit's subwoofer level between -8 and +8 (separate from the main volume level).</p><p></p><p>the unit has a low pass filter so im not exactly sure how that works.</p><p></p><p>Bass EQ's 60, 80, 100, 200 Hz +/- 12 dB (-6 to +6) with Q 1.0, 1.25, 1.5, 2.0</p><p></p><p>Midrange EQ's 0.5, 1.0, 1.5, 2.5 kHz +/- 12 dB (-6 to +6) with Q 0.75, 1.0, 1.25</p><p></p><p>Treble EQ's 10.0, 12.5, 15.0, 17.5 kHz +/- 12 dB (-6 to +6) Fixed Q</p><p></p><p>Full Bandwidth Power: 22 watts RMS x 4 channels (at 4 ohms, 20-20kHz, 1% THD)</p><p></p><p>Maximum Output Power: 50 watts x 4 channels (200 total watts)</p></blockquote><p></p>
[QUOTE="TMills, post: 8371173, member: 665473"] sure. i just took a look on crutchfield for the specs of the HU. heres what some of the specs say and forgive me for being a beginner but i barely understand any of this, but im trying to learn. 2.5V/4CH Preamp Output: two pair of 2.5V preamp outputs (Front, Rear/SW). You can set the Rear/SW preamp outputs for connecting a pair of full-range rear speakers (through an external amplifier) or for connecting a subwoofer (through an external amplifier). When set for rear speakers, the rear outputs operate with the unit's fader control. When set for subwoofer, the outputs are non-fading. Subwoofer Controls: When the unit's Rear/SW preamp output is set to Subwoofer, you can set the cutoff frequency of the low-pass filter at 55Hz, 85Hz, or 120Hz. You can also adjust the head unit's subwoofer level between -8 and +8 (separate from the main volume level). the unit has a low pass filter so im not exactly sure how that works. Bass EQ's 60, 80, 100, 200 Hz +/- 12 dB (-6 to +6) with Q 1.0, 1.25, 1.5, 2.0 Midrange EQ's 0.5, 1.0, 1.5, 2.5 kHz +/- 12 dB (-6 to +6) with Q 0.75, 1.0, 1.25 Treble EQ's 10.0, 12.5, 15.0, 17.5 kHz +/- 12 dB (-6 to +6) Fixed Q Full Bandwidth Power: 22 watts RMS x 4 channels (at 4 ohms, 20-20kHz, 1% THD) Maximum Output Power: 50 watts x 4 channels (200 total watts) [/QUOTE]
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Just got new JL Audio Sub and amp, new to audio, how to not blow it??
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