Originally Posted by jbrazda
I had bought one pb16 before I even heard of jtr. Then when I was buying my second pb16, I heard about jtr, and considered sending my pb16 back and getting 1400’s, but wasn’t convinced it would be worth the hassle of sending my pb16 back to svs and waiting to get the 1400’s. The only thing that has changed is the recent lineup change from jtr. I was hoping the new 2400 would be a big step up from the 1400. And it is, below 16hz. But even way back last year, and still, I am not that concerned below 16hz because of the limited amount of content below 16hz. The 1400 is better than my pb16’s in the mid bass region. Was hoping the new 2400 would be better in the entire range of 16-80hz.
Are there measurements anywhere for that V3611?
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The PSA website has measurements for the V3611. Physically, as noted in another post, it would be larger than the Cap 2400 ULF. From a performance standpoint, it would have a lot more mid-bass SPL than the PB16 (you can find measurements for both and compare) but it would give up quite a bit of SPL below 20Hz.
I have two suggestions to make for you.
There are two separate things that you can do to increase the mid-bass in your existing subwoofers. The first is to implement what is called cascading crossovers. That will concentrate more SPL below about 80Hz or 90Hz, and will increase both your mid-bass tactile response and your overall mid-bass clarity, without sacrificing any low-bass. The speakers in your front sound stage are capable enough to make this a good option for you. There is a detailed explanation of how cascading crossovers work, and how to implement them in Section III of the Guide linked below. The subsection titled Cascading Crossovers
is the third one in that section. This is a direct link to that section:
The other thing that you can do to enhance your mid-bass frequencies with your PB16's, is to use the pre-programmed Music Mode in your digital DSP. That mode has a mid-bass boost of ~2.2db centered on 63Hz. According to some research I have seen, that is prime chest punch territory.
I have tried both of those options with my subwoofers. I, like most people, enjoy cascading crossovers a lot. The 63Hz boost was a little too much for me, especially in conjunction with cascading crossovers. Used in conjunction, however, they should give you a lot more mid-bass than what you may be currently experiencing. It is certainly worth a try. Implementing cascading crossovers is a little bit more trouble, but I would start with that. You may like it all by itself.
The second thing you can try involves your port tune on the PB16's. Most people use those subwoofers in the Extended (15Hz) Mode. I believe that they are clearly better all-around performers in that port tune. But, you could implement the Standard (20Hz) Mode for a few days, changing both the port plug and the DSP. If you listened to some of your strong low-bass material, you would discover how much difference the <20Hz SPL makes. If it makes a lot of difference to you, then you are better off staying with the PB16's and continuing to work on getting more mid-bass in other ways (including adding a nearfield Cap 118HT).
If the loss of the low-bass frequencies in the 20Hz tuning mode doesn't make much difference to you, then you would be a good candidate to pivot to the Cap 118HT's. They would give up some <20Hz SPL to the PB16's in Extended Mode, but they would actually beat the PB16's in Standard Mode. So, if the 20Hz Standard Mode doesn't seem that bad, then the Cap 118HT's would be even better. And, they would give you an additional 6db of SPL in the 40Hz to 80Hz range.
There are several things you can try before throwing in the towel on the PB16's. They are very versatile subwoofers with lots of user control. But, if the cascading crossovers, and/or the boost centered at 63Hz, don't work well enough for you, then there are other things you can do, including adding a rear nearfield Cap 118, or simply pivoting to Cap 118's. Good luck and let us know what you find out.