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Car Audio Equipment
Subwoofers
preblems with subwoofer
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<blockquote data-quote="dogy49" data-source="post: 8385126" data-attributes="member: 665935"><p>Hi guys!</p><p></p><p>Realy sorry for my bad english, but i hope you will understand me.</p><p></p><p>Asked all my friends, who know something about electricity, but nobody gave me a normal answer to my problem, so here i am, asking you guys!</p><p></p><p>So, i am using now Kenwood KDC-316UR radio in my car and basicly a week ago i added to it pioneer ts-wx206a subwoofer. (i will post the specs on both of them above)</p><p></p><p>The sub is active and radio has a RCA output for sub, so basicly i dont think i'm such a looser, to manage to do the wiring wrong. The prblem is that yesterday Sub stopped working. But not in an ordinary way - basicly it works(the red indicator is on), but no signal is going to it. i tried to put in RCA a standart AUX wire and plugged in my phone with a quiet music, but no soud apeared. So i opened it up and realised that there is a burned place on microsheme.</p><p></p><p>I am not a first time user so my Sub's Gain was constantly 3/4 of maximum. The other thing is that radio was turned on when this happened, but it was not loud, (basicly i could talk with passengers).</p><p></p><p>I just cant understand why it burned. ofcourse i will fix it, but i don't want it to happen again, so maybe you have some answers, why or what to do, to get thru with this?</p><p></p><p>Oh yeah, one friend said, that it could be becouse of voltage, that comes from radio is 2,5V, but Sub has a 2V input, but do that could realy matter so much, that it burns down a michrosheme??</p><p></p><p>really hope for some advise!</p><p></p><p>Specs for Sub:</p><p></p><p>Bandpass Amplified Subwoofer</p><p></p><p>Built-in MOSFET 150 W power amplifier</p><p></p><p>Large dual port bandpass design</p><p></p><p>RCA/speaker level inputs</p><p></p><p>Input level control/phase switch</p><p></p><p>Built-in variable LPF (50 - 125 Hz, -12 dB/Oct)</p><p></p><p>Aluminium die-cast heat sink</p><p></p><p>Nominal output power: 60 W</p><p></p><p>Frequency response: 35 - 200 Hz</p><p></p><p>Sensitivity: 107 dB (in-car), max SPL 128 dB (in-car)</p><p></p><p>Enclosure Volume 18 litres</p><p></p><p>Dimensions (W x H x D) 274x316x412 mm</p><p></p><p>Powerful Bass Sound</p><p></p><p>And the radio:</p><p></p><p>Maximum Output Power 50W x 4</p><p></p><p>MOSFET Power IC</p><p></p><p>Auxiliary input</p><p></p><p>Auxiliary Type Mini-jack</p><p></p><p>Pre-out 1 RCA</p><p></p><p>Pre-out Output Level 2.5V</p><p></p><p>Preout Rear / Subwoofer Switchable</p><p></p><p>Subwoofer Reference Level Adj.</p><p></p><p>Source Tone Control &amp; Memory Bass / Mid / Treble</p><p></p><p>Balance/Fader/Loudness Control</p><p></p><p>Preset EQ</p><p></p><p>Bass Boost Circuit</p><p></p><p>Low-pass Filter</p></blockquote><p></p>
[QUOTE="dogy49, post: 8385126, member: 665935"] Hi guys! Realy sorry for my bad english, but i hope you will understand me. Asked all my friends, who know something about electricity, but nobody gave me a normal answer to my problem, so here i am, asking you guys! So, i am using now Kenwood KDC-316UR radio in my car and basicly a week ago i added to it pioneer ts-wx206a subwoofer. (i will post the specs on both of them above) The sub is active and radio has a RCA output for sub, so basicly i dont think i'm such a looser, to manage to do the wiring wrong. The prblem is that yesterday Sub stopped working. But not in an ordinary way - basicly it works(the red indicator is on), but no signal is going to it. i tried to put in RCA a standart AUX wire and plugged in my phone with a quiet music, but no soud apeared. So i opened it up and realised that there is a burned place on microsheme. I am not a first time user so my Sub's Gain was constantly 3/4 of maximum. The other thing is that radio was turned on when this happened, but it was not loud, (basicly i could talk with passengers). I just cant understand why it burned. ofcourse i will fix it, but i don't want it to happen again, so maybe you have some answers, why or what to do, to get thru with this? Oh yeah, one friend said, that it could be becouse of voltage, that comes from radio is 2,5V, but Sub has a 2V input, but do that could realy matter so much, that it burns down a michrosheme?? really hope for some advise! Specs for Sub: Bandpass Amplified Subwoofer Built-in MOSFET 150 W power amplifier Large dual port bandpass design RCA/speaker level inputs Input level control/phase switch Built-in variable LPF (50 - 125 Hz, -12 dB/Oct) Aluminium die-cast heat sink Nominal output power: 60 W Frequency response: 35 - 200 Hz Sensitivity: 107 dB (in-car), max SPL 128 dB (in-car) Enclosure Volume 18 litres Dimensions (W x H x D) 274x316x412 mm Powerful Bass Sound And the radio: Maximum Output Power 50W x 4 MOSFET Power IC Auxiliary input Auxiliary Type Mini-jack Pre-out 1 RCA Pre-out Output Level 2.5V Preout Rear / Subwoofer Switchable Subwoofer Reference Level Adj. Source Tone Control & Memory Bass / Mid / Treble Balance/Fader/Loudness Control Preset EQ Bass Boost Circuit Low-pass Filter [/QUOTE]
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