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Junior Varsity
Crackling/Clipping issues on Monitors
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<blockquote data-quote="Jeff Babcock" data-source="post: 217048" data-attributes="member: 46"><p>Hi</p><p>Recorded music is not comparable to a live bass. Recorded music is heavily compressed.</p><p>A live bass on the other hand has significant transient peaks and if it is driving the speakers to crackle you may risk damaging them.</p><p>Some things to try:</p><p></p><p>1) Make sure you have applied a HPF on your main speakers, especially since you don't have subs. Harbinger v2300 are not very high quality speakers so I would suggest a HPF of 60Hz at the very least, maybe even as high as 80Hz. This will take a lot of stress off of the 15" speakers in the cabinet. As your speakers don't have any built in HPF capabilities ;( , you can either find an analog EQ to do this with, or alternatively maybe you should sell the Mackie board and get a digital board.</p><p></p><p>2) Your monitors are way too small to handle much bass guitar in them. Use a HPF as in step 1, but starting at at least 80Hz for the monitors. Not only will this help reduce cracking, it will reduce intermodulation distortion (google that if not familiar with the term, it's a big deal re sound quality)</p><p></p><p>3) Apply some compression to the Bass guitar. I would suggest you start with a 4:1 ratio, attack around 20ms and adjust the threshold as needed to pull a few DB off of the peaks. You can do this either with a bass compression pedal or with compression at the mixer. Since you are using an analog board, see if you can pick up an inexpensive rack compressor, such as a DBX 262 or 266, Behringer Composer or similar. They tend to go cheaply these days. Or as per above, digital boards all have this built in.</p><p></p><p>4) Apply a HPF to the bass channel in the mixer then add back a little extra low end with EQ if needed.</p><p></p><p>5) Keep in mind your speakers are pretty inexpensive, so don't expect miracles. Adjust expectations accordingly.</p><p></p><p>6) Maybe convince the bass player to bring a smaller cabinet rather than relying on your too-small monitors.</p><p></p><p>Most of the suggestions above would be a whole lot less difficult for you if you get a digital board instead of staying analog, unless you plan to buy a bunch of outboard gear (3 dual channel EQs and a compressor just to do what I said above in the analog world). Something like Behringer XR18 or one of the smaller models is one of the best bangs for the buck in the entry level digital space.</p><p></p><p></p><p>I hope that helps,</p><p>Best wishes</p></blockquote><p></p>
[QUOTE="Jeff Babcock, post: 217048, member: 46"] Hi Recorded music is not comparable to a live bass. Recorded music is heavily compressed. A live bass on the other hand has significant transient peaks and if it is driving the speakers to crackle you may risk damaging them. Some things to try: 1) Make sure you have applied a HPF on your main speakers, especially since you don't have subs. Harbinger v2300 are not very high quality speakers so I would suggest a HPF of 60Hz at the very least, maybe even as high as 80Hz. This will take a lot of stress off of the 15" speakers in the cabinet. As your speakers don't have any built in HPF capabilities ;( , you can either find an analog EQ to do this with, or alternatively maybe you should sell the Mackie board and get a digital board. 2) Your monitors are way too small to handle much bass guitar in them. Use a HPF as in step 1, but starting at at least 80Hz for the monitors. Not only will this help reduce cracking, it will reduce intermodulation distortion (google that if not familiar with the term, it's a big deal re sound quality) 3) Apply some compression to the Bass guitar. I would suggest you start with a 4:1 ratio, attack around 20ms and adjust the threshold as needed to pull a few DB off of the peaks. You can do this either with a bass compression pedal or with compression at the mixer. Since you are using an analog board, see if you can pick up an inexpensive rack compressor, such as a DBX 262 or 266, Behringer Composer or similar. They tend to go cheaply these days. Or as per above, digital boards all have this built in. 4) Apply a HPF to the bass channel in the mixer then add back a little extra low end with EQ if needed. 5) Keep in mind your speakers are pretty inexpensive, so don't expect miracles. Adjust expectations accordingly. 6) Maybe convince the bass player to bring a smaller cabinet rather than relying on your too-small monitors. Most of the suggestions above would be a whole lot less difficult for you if you get a digital board instead of staying analog, unless you plan to buy a bunch of outboard gear (3 dual channel EQs and a compressor just to do what I said above in the analog world). Something like Behringer XR18 or one of the smaller models is one of the best bangs for the buck in the entry level digital space. I hope that helps, Best wishes [/QUOTE]
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