Sub-Woofer Recomendation and Hook Up

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AudioDIY
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Sub-Woofer Recomendation and Hook Up

Post by AudioDIY » Mon Jun 10, 2013 10:13 am

I am thinking about adding a sub-woofer to my 2-channels system consisted of a CJ Premier 2 pre-amp, Threshold 500 II power-amp driving a Accoustac 2+2 electrostatic plannar speaker. My system is mainly used for music listening. Which sub-woofer that you would recommend and how to hook it up? Please let me know and thanks in advance for your help.

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Re: Sub-Woofer Recomendation and Hook Up

Post by admin » Mon Jun 10, 2013 10:43 am

If you want a high quality, "relatively" low priced sub, I suggest you look at the Hsu subs. I have the VTF-15H and wrote a review about it here on CJO. This may be a little overkill, but it's a great sub. They have less expensive models which would be more than adequate if you don't plan on using it a lot for movies with big explosions that you would want to rattle your back teeth! :) You can run the speaker cable from the amp to the sub, and then from the sub to the speakers and you the crossover in the sub to pull out the low end.
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Re: Sub-Woofer Recomendation and Hook Up

Post by AudioDIY » Mon Jun 10, 2013 10:54 am

I have looked at your VTF-15H review which triggered my desire to have one but could not figure out the hook up. Thanks for your input and help; and yes I'll buy one in the near future.

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Re: Sub-Woofer Recomendation and Hook Up

Post by admin » Mon Jun 10, 2013 11:05 am

Here is a recent audiophile blog review of one of their other models: I have not heard a bad review about a Hsu sub yet.

http://news.cnet.com/8301-13645_3-57587 ... subwoofer/
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Re: Sub-Woofer Recomendation and Hook Up

Post by camusmuse » Mon Nov 04, 2013 5:25 am

AudioDIY wrote:I am thinking about adding a sub-woofer to my 2-channels system consisted of a CJ Premier 2 pre-amp, Threshold 500 II power-amp driving a Accoustac 2+2 electrostatic plannar speaker. My system is mainly used for music listening. Which sub-woofer that you would recommend and how to hook it up? Please let me know and thanks in advance for your help.
Well if you can DIY....build your own sub. Electrostatics almost always lack the low end punch, and finding a sub that integrates can be very difficult. Stay away from "heavy" coned drivers. I have had the best luck with cheap accordion style surrounds in the RIGHT box in the right position(this can take ALOT of experimenting). Box design programs are all over the net. LEAP is a favorite, and I like JBLpro too(it comes with a database of TS parameters). Even then you may have to build a few boxes or at least do some heavy mods, depending on driver. I prefer sealed boxes(usually easier to build and much more linear), but vents are sometime a necessary evil, and can be difficult to get right. As for integrating the sub into your system, two possible options. I dont know the preamp, but does is have more than one set of outputs? If not, you can run an active crossover. Lots of options there, limited only by your budget. I have a pair of Maggies that are biamped using a car audio crossover and a medical grade 12vdc power supply. Works great, yes there are dedicated home and pro audio active crossovers, but Im cheap....my setup cost less than $25, the PS was at goodwill for $10, and the crossover I had lying around, but its hardly worth more than
$15 used. Using a $100 ebay Parasound amp for the subs, the Maggies are actually being run off a SonyES(the real ES not anything in this millennium....lol) receiver that has the posts on the back to separate the preamp from the amp. Very handy.
If that is too much and you wanted two subs, you could just build a passive crossover for each right and left and use the same amp, but going from cone to stat, the more "cut" the better, and parts can get expensive real quick building I would think at least a 12db per octave low pass for the subs, 24db preferred. The less the "different types" of drivers "mingle" with each other the better. Hope that helps some....

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