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In Reply to: RE: "I would not cross a sub past say 63hz." posted by willkayakforfood on June 17, 2012 at 20:15:24
Yes, some smaller speakers will need a higher crossover point like that. In that case, I will run a "sub" under each speaker (except not for computer desktops of course). This way you get more of a pseudo-3-way than a sub/sat system. This is especially true if the sub lowpass filter is 2nd order. 2nd order + 90hz = too much sub localization for me.
I think this end of the spectrum is where many 'philes get "hard to integrate subs properly" from.
Myself, I love working with subs. Way more flexible than having you "sub" reproducing drivers stuck in the main speaker. Sub frequencies don't need to "blend" into the soundstage - they're naturally omnidirectional and if you're crossing over low enough and steep enough the sub-bass will blend into the sounstage with nary a problem.
Cheers,
Presto
Follow Ups:
Though the sound seemed "generally satisfactory" with the arrangement I had as described above, I decided it wasn't "entirely satisfactory" -- even for this small "computer desktop" system. This system was never meant to compete with my main music system - just to be a vast improvement over the cheesy "2.1 in a box" system used for several years in this context.
Since I really do like the [single] HSU sub for this application, I decided to try a different pair of monitor speakers. Something that might reach a bit lower in the frequency range, so that I could bring the sub's low pass filter a bit lower. I'm now using a pair of Napa Acoustic NA-208S monitors (ported), and they do reach noticeably lower than the NHT Super Zeros, with still a very decent sound. Blending with the sub is indeed better (with sub set to come in at lower frequency), and the overall sound is fuller/more substantial. Though this "near field" arrangement still doesn't seem as fully "life size" as the main system, it certainly does come closer to it than with the Super Zeros.
"Sub localization" isn't a problem. It now feels like all the sound--including all low bass--is coming from the monitors.
It's still just a 2.1 system, and for this limited application will remain so, but with all these new components, speakers, cables, and tubes beginning to show some positive "burning in" results, I'm quite pleased with the sound, and feel I can now let the "upgrading" end here. Here's the entire "laptop desktop 2.1 speaker system" as it stands...
Digital output from laptop USB: DH Labs Silver Sonic digital USB
DAC: Schiit Bifrost
Analog interconnect from DAC to integrated amp: Audio Art IC-3
Hybrid integrated amp: Maverick Audio TubeMagic A1 (2 x NOS Raytheon 6AK5)
Speaker wire: Currently, just 12 gauge OFC wire, but I may decide at some point to use some Clear Day Double Shotguns like I'm enjoying in my main system. For now though, the current wires are sounding fine.
Monitor speakers: Napa Acoustic NA-208S
Subwoofer: HSU Research STF-1
Headphones: Sennheiser HD600 w/HD650 cable [Note: With this TubeMagic A1 hybrid amp, when using headphones, the output section is supposedly "purely tube driven". Whatever it is, it sounds very nice with the headphones.]
DAC, integrated amp, and subwoofer are all using Pangea AC-14SE power cords.
As mentioned, this "little" system isn't meant to compete with the large main system, but it has certainly graduated from "system through which computer can make noise" to "respectable second system" status. Music is sounding pretty good through it, and for this, I'm pleased. :)
BSI model 3 in Silver
These are mine. They are Ferrari Grigio Silverstone (Dark Grey Metallic). I'm expecting delivery today.
Well I was told they where mine but they look bright. Here is a picture of mine that arrived yesterday.
Hey guys. Thought I'd post a pic of the system I built a couple years ago. Yes, even the baffle is curved!!! 2nd order acoustic slopes between woofer and mid as well as mid and tweeter.Mine uses the Dayton RSS315, Scan Rev 15W, and Dayton Reference tweeter.
The resemblance to the woofer is uncanny, to say the least.
That BSI has the potential to be an amazing speaker, that's for sure. My Byzantium still thrills, though it's a true passive 3-way with that Dayton sub running to 350Hz.
It's a great and musical sub, and has excellent performance to well beyond 500Hz. The motor design uses Faraday rings for low inductance and low THD.
Here's the build thread for anyone interested.
http://techtalk.parts-express.com/showthread.php?215703-RSS315HF-4-as-the-anchor-of-a-3-way
Edits: 08/14/12 08/14/12
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