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Classic old question - All about tuning Freq
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<blockquote data-quote="Immacomputer" data-source="post: 2801116" data-attributes="member: 570419"><p>1. What is tuning Freq ?</p><p></p><p><strong>This is the frequency in which your enclosure's port resonates. At this frequency, the sub will have limited cone movement and the port will be doing the majority of the sound output. When you make a ported enclosure, you are creating a Helmholtz resonator. If you would like more information on it, google it. </strong></p><p></p><p>2. Where do i Adjust the Tuning Freq ?</p><p></p><p><strong>Tuning frequency is based off of enclosure NET volume, port area (a two dimensional section of the port), and the length of the port. </strong></p><p></p><p>3. What kinda Range i am looking at for Bass ?</p><p></p><p><strong>That depends on the environment, music of choice, and frequency response of choice. The typical bass frequency range for music is around 25-100hz. </strong></p><p></p><p>4. What is the prefer Tuning Freq ?</p><p></p><p><strong>There isn't and it 100% depends on the individual and their goals for their system.</strong></p><p></p><p>5 If i listen to Hiphop , what Tuning freq who be good for me ?</p><p></p><p><strong>That depends on the goals for your system. Tuning higher will yield more output around the tuning frequency but will lower output below that frequency. If you tune lower, you will have a boost in output but it will not peak as loud as if you had tuned it higher. It will more than likely be louder at this lower point but not at the higher frequencies.</strong></p><p></p><p>6.Can i Tune my Sub at 50hz or higher Tunign freq ?</p><p></p><p><strong>You can but your frequency response will not be very nice too far below tuning. This will also cause a peak at and around 50hz.</strong></p><p></p><p>7 Can i tune my Sub at 100hz or higher ?</p><p></p><p><strong>You should not tune an enclosure for a subwoofer to 100hz.</strong></p><p></p><p>8.what is 0 db</p><p></p><p><strong>It's commonly used as a reference point for output. It's like saying room temperature is 22* C and anything above that is + whatever *C and anything below is - whatever *C.</strong></p><p></p><p>9. What is is this + - 2 db i alway heard about .</p><p></p><p><strong>See above. You may be thinking about a -3dB point. This is the spot also known as the half power point and where the signal is now down 3dB from the reference level.</strong></p><p></p><p>10. My sub Fs is 31hz can i tune below 31hz</p><p></p><p><strong>Yes.</strong></p><p></p><p>11. My 4th order bandpass is have a Tuning Freq of 60hz - is it too high ?</p><p></p><p><strong>No.</strong></p><p></p><p>12. How do i reduce the tuning freq ?</p><p></p><p><strong>Lengthen your port, while keeping port area and net volume the same. Increase your net volume while keeping port length and port area the same. Decrease your port area while keeping the port length and net volume the same.</strong></p><p></p><p>13. can Tuning freq be below 20hz ?</p><p></p><p><strong>Yes.</strong></p><p></p><p>14 What type of Tuning Freq i should use for different type of Music .</p><p></p><p><strong>You usually want to tune around the lowest frequency that is in your music choice. Many people don't listen to music with much content in the low 30s so they might want to tune higher than that to gain more output. Others may not want the extra gain of tuning higher and might like the extra low end that a low tuned enclosure has to offer. Tuning lower will usually smooth out some peaks in the frequency response but may make things boomy around the tuning frequency.</strong></p></blockquote><p></p>
[QUOTE="Immacomputer, post: 2801116, member: 570419"] 1. What is tuning Freq ? [B]This is the frequency in which your enclosure's port resonates. At this frequency, the sub will have limited cone movement and the port will be doing the majority of the sound output. When you make a ported enclosure, you are creating a Helmholtz resonator. If you would like more information on it, google it. [/B] 2. Where do i Adjust the Tuning Freq ? [B]Tuning frequency is based off of enclosure NET volume, port area (a two dimensional section of the port), and the length of the port. [/B] 3. What kinda Range i am looking at for Bass ? [B]That depends on the environment, music of choice, and frequency response of choice. The typical bass frequency range for music is around 25-100hz. [/B] 4. What is the prefer Tuning Freq ? [B]There isn't and it 100% depends on the individual and their goals for their system.[/B] 5 If i listen to Hiphop , what Tuning freq who be good for me ? [B]That depends on the goals for your system. Tuning higher will yield more output around the tuning frequency but will lower output below that frequency. If you tune lower, you will have a boost in output but it will not peak as loud as if you had tuned it higher. It will more than likely be louder at this lower point but not at the higher frequencies.[/B] 6.Can i Tune my Sub at 50hz or higher Tunign freq ? [B]You can but your frequency response will not be very nice too far below tuning. This will also cause a peak at and around 50hz.[/B] 7 Can i tune my Sub at 100hz or higher ? [B]You should not tune an enclosure for a subwoofer to 100hz.[/B] 8.what is 0 db [B]It's commonly used as a reference point for output. It's like saying room temperature is 22* C and anything above that is + whatever *C and anything below is - whatever *C.[/B] 9. What is is this + - 2 db i alway heard about . [B]See above. You may be thinking about a -3dB point. This is the spot also known as the half power point and where the signal is now down 3dB from the reference level.[/B] 10. My sub Fs is 31hz can i tune below 31hz [B]Yes.[/B] 11. My 4th order bandpass is have a Tuning Freq of 60hz - is it too high ? [B]No.[/B] 12. How do i reduce the tuning freq ? [B]Lengthen your port, while keeping port area and net volume the same. Increase your net volume while keeping port length and port area the same. Decrease your port area while keeping the port length and net volume the same.[/B] 13. can Tuning freq be below 20hz ? [B]Yes.[/B] 14 What type of Tuning Freq i should use for different type of Music . [B]You usually want to tune around the lowest frequency that is in your music choice. Many people don't listen to music with much content in the low 30s so they might want to tune higher than that to gain more output. Others may not want the extra gain of tuning higher and might like the extra low end that a low tuned enclosure has to offer. Tuning lower will usually smooth out some peaks in the frequency response but may make things boomy around the tuning frequency.[/B] [/QUOTE]
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Classic old question - All about tuning Freq
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