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<blockquote data-quote="Drumbc" data-source="post: 8454229" data-attributes="member: 668090"><p>i have 2 hds212 subs with a alpine mrx110 amp in a custom ported enclosure with 2.1 cubes per sub tuned to 34hz...... when i first put these subs in the box after a few days break in turning them up they were ridiculously loud! i was very happy and very pleased, now randomly there just not as loud anymore? yes there still loud its not like a blown sub there still powerfull but a lot less than just 3-4 days ago. i haven&#039;t changed in any settings on them its just random i&#039;ve checked my alt and batt there both fine getting 13.6 volts at idle on the amp i just cant figure it out i dont have any bass boost or anything like that..... i set my gain using a dmm 50hz tone at 0db and set the amp to output 40v so i dont think im clipping or anything like that. i also dont think its cause i just got used to it because my back hatch doesn&#039;t flex like it used to it still vibrates but it used to literally like jump..... please help me figure this out its about as loud as my old kicker cvr setup so its still loud but it used to be a whole lot louder im so puzzled i cant figure this out also ive pushed in on the subs no scraping noises move freely im so confused. any help is appreciated.</p></blockquote><p></p>

[QUOTE="Drumbc, post: 8454229, member: 668090"] i have 2 hds212 subs with a alpine mrx110 amp in a custom ported enclosure with 2.1 cubes per sub tuned to 34hz...... when i first put these subs in the box after a few days break in turning them up they were ridiculously loud! i was very happy and very pleased, now randomly there just not as loud anymore? yes there still loud its not like a blown sub there still powerfull but a lot less than just 3-4 days ago. i haven't changed in any settings on them its just random i've checked my alt and batt there both fine getting 13.6 volts at idle on the amp i just cant figure it out i dont have any bass boost or anything like that..... i set my gain using a dmm 50hz tone at 0db and set the amp to output 40v so i dont think im clipping or anything like that. i also dont think its cause i just got used to it because my back hatch doesn't flex like it used to it still vibrates but it used to literally like jump..... please help me figure this out its about as loud as my old kicker cvr setup so its still loud but it used to be a whole lot louder im so puzzled i cant figure this out also ive pushed in on the subs no scraping noises move freely im so confused. any help is appreciated. [/QUOTE]

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