I am close to making the final order for home theater equipment in my new house. I currently have a Velodyne F1500R 15" sealed servo controlled sub. I have had it for a while and it has been great, but this new room is larger than anything else I have had and I don't think it will perform like I want. It's time to step up to something bigger and better.

The main area (living room + kitchen) is about 18' wide, 31' deep and a vaulted ceiling up to 12'. This room opens into hallways and other bedrooms etc. I have calculated the entire open area to be around 8500 cubic feet.

I have room up front on the screenwall for two subs, and one near the main listening area for near field placement.

I am looking for excellent mid-bass as I have bookshelf- type speakers. Solid extension down to 16Hz is crucial for pipe organ music playback. Music performance is paramount. Size or looks doesn't really matter; my wife likes this as much as I do.

Budget is up to ~$2000. DIY is not an option so leave that alone. I don't have the time or desire. The next house (3-5 years) will have an IB so leave me alone about it. I don't want to cut holes in this house.

I have looked at the Submersive, Terraform, TH-50, DTS-20; stuff like that.
What say you?

I will suggest the elemental Designs A7-900 for a room of that size.

I am close to making the final order for home theater equipment in my new house. I currently have a Velodyne F1500R 15" sealed servo controlled sub. I have had it for a while and it has been great, but this new room is larger than anything else I have had and I don't think it will perform like I want. It's time to step up to something bigger and better.

The main area (living room + kitchen) is about 18' wide, 31' deep and a vaulted ceiling up to 12'. This room opens into hallways and other bedrooms etc. I have calculated the entire open area to be around 8500 cubic feet.

I have room up front on the screenwall for two subs, and one near the main listening area for near field placement.

I am looking for excellent mid-bass as I have bookshelf- type speakers. Solid extension down to 16Hz is crucial for pipe organ music playback. Music performance is paramount. Size or looks doesn't really matter; my wife likes this as much as I do.

Budget is up to ~$2000. DIY is not an option so leave that alone. I don't have the time or desire. The next house (3-5 years) will have an IB so leave me alone about it. I don't want to cut holes in this house.

I have looked at the Submersive, Terraform, TH-50, DTS-20; stuff like that.
What say you?


Problem is, the subs you have mentioned are owned by small numbers of people. I would guess there are half a dozen Submersive owners around who post, but Terraform, TH-50, DTS-20, the JTR Captivator, etc. There are only a very few owners of these subs who post here.

I would also say that a lot of the comments on some of the models you are considering come from those who sell these products for a living. Don't know if you care about that or not.

Seems like Danley DTS-20 has been praised all the way around and is not virtually brand new like some of the other models you mentioned.

I assume that you have ruled out the Elemental Design A7-900.

At this point I haven't ruled out anything but DIY. I appreciate the engineering effort that I have seen in the Seaton and Danley designs. I like to be different too.

you should check out this thread:

http://www.avsforum.com/avs-vb/showthread.php?t=1076691

this sub is cheaper than the DTS-20 and has twice the output. From what I have heard, these tapped horn subs are very clean, powerful and articulate. Nothing that I have seen would touch the output of this new sub for anywhere near that price. Now that is for a non-powered version; but these subs are very sensitive. Even a moderately powered inexpensive plate amp would drive that sub to respectable levels. You could always upgrade the amp down the road for more output.

In a room that size obviously you will need some muscle. Getting down to a solid 16hz in a room that big may be a little problematic IMO. The subs you mention (and the recommendation of the eD) are probably where I would start. Truthfully, since you are asking about subs that Mark Seaton has involvement with (SubMersive, Terrafom). I know that some may think it is nuts to ask the guy who makes the sub to give a honest opinion, but that is what I believe Mark will do. Also, He is offering some specials right now.
http://www.websitetoolbox.com/tool/post/seatonsound/vpost?id=3061016
Now, that sale is only for the SubMersive. But if you have the space, you could get one now, and then later get another one. But since you are inquiring about his subs, he would be the best one to answer which one(if any) would be best. You can try him here.
http://www.avsforum.com/avs-vb/showthread.php?t=759877&page=18
That is the submesive thread on avs. Or, what I really suggest is that you sign up on Mark's own forum
http://www.websitetoolbox.com/mb/seatonsound
and ask. He will be 100% honest with you. Sorry if I seem like a salesman. I don't mean to be. There are plenty of people who have SubMersives and there are some Terraform subs going out now as well. They just are not as active as some others. I guess we are just too busy watching movies and enjoying the sound :).

you should check out this thread:

http://www.avsforum.com/avs-vb/showthread.php?t=1076691

this sub is cheaper than the DTS-20 and has twice the output. From what I have heard, these tapped horn subs are very clean, powerful and articulate. Nothing that I have seen would touch the output of this new sub for anywhere near that price. Now that is for a non-powered version; but these subs are very sensitive. Even a moderately powered inexpensive plate amp would drive that sub to respectable levels. You could always upgrade the amp down the road for more output.

I have seen the new THSPUD, but the odd size and limited placement options take it off the list.

I will have to have a word with Mr. Seaton as suggested.

I am close to making the final order for home theater equipment in my new house. I currently have a Velodyne F1500R 15" sealed servo controlled sub. I have had it for a while and it has been great, but this new room is larger than anything else I have had and I don't think it will perform like I want. It's time to step up to something bigger and better.

The main area (living room + kitchen) is about 18' wide, 31' deep and a vaulted ceiling up to 12'. This room opens into hallways and other bedrooms etc. I have calculated the entire open area to be around 8500 cubic feet.

I have room up front on the screenwall for two subs, and one near the main listening area for near field placement.

I am looking for excellent mid-bass as I have bookshelf- type speakers. Solid extension down to 16Hz is crucial for pipe organ music playback. Music performance is paramount. Size or looks doesn't really matter; my wife likes this as much as I do.

Budget is up to ~$2000. DIY is not an option so leave that alone. I don't have the time or desire. The next house (3-5 years) will have an IB so leave me alone about it. I don't want to cut holes in this house.

I have looked at the Submersive, Terraform, TH-50, DTS-20; stuff like that.
What say you?


Godspeed. You have a challenge ahead of you.

If DIY is out, I personally don't think you can get 16Hz with strong midbass in a room that large in the absence of multiples in concert with dedicated mid-bass units. And 2k ain't gonna pull that off unless you spend it on a crew to break in and steal subs from JTR, Danley, Epik, Hsu...

Godspeed. You have a challenge ahead of you.

If DIY is out, I personally don't think you can get 16Hz with strong midbass in a room that large in the absence of multiples in concert with dedicated mid-bass units. And 2k ain't gonna pull that off unless you spend it on a crew to break in and steal subs from JTR, Danley, Epik, Hsu...

Now that's an idea.

I stand corrected. I looked at the specs (rather than the CAD drawings) and measured possible locations suitable for the THSPUD. I can place it nearfield left of the listening position in between the wall and the couch, or up front next to the left front speaker near the front tri-corner.

Has official pricing been released? "Substantially south of $3000" is kind of vague.

The biggest room I have seen a single submersive go into is somewhere north of 4000cf. Even in a room that big it still seemed to have very good exstention and output. Now that being said, your room is about 2X the biggest room a single has been put in. Can the SubMersive handel it, I really don't know. Some of Mark's other offerings should get you down to 20Hz in that room with great output. Now the THSPUD does look mean. But if you can go near field, of then may some the other options will work as well. But if you can swing that new one, maybe that should be the one you go for. I am just trying lay it out as I see it :).

deftech trinity (maybe 2) they were designed for this--actualy designed to be used in a cathedral!! dont know what they cost tjough

deftech trinity (maybe 2) they were designed for this--actualy designed to be used in a cathedral!! dont know what they cost tjough

The Trinty lists for $2999. The reference lists of $1899. But those are MSRP prices. You may be able to deal.
http://www.definitivetech.com/loudspeakers/subwoofers/subwoofers.html

Now that's an idea.

I stand corrected. I looked at the specs (rather than the CAD drawings) and measured possible locations suitable for the THSPUD. I can place it nearfield left of the listening position in between the wall and the couch, or up front next to the left front speaker near the front tri-corner.

Has official pricing been released? "Substantially south of $3000" is kind of vague.

I would think carefully about whether placing the SPUD nearfield is going to be localizable, (especially in the mid-bass). Some people can place something like an HSU MBM-12 right next to them and don't find localization a problem.

Others find the MBM to be localizable.

At one time it was thought that if you crossed your sub over at 80 Hz or lower you wouldn't have to deal with localization. After doing some reading it seams that some people can set their crossover at 120 Hz without being bothered by localization. Others find localization with settings under 80 Hz.

Maybe you would still be sitting in the "horn bubble", mentioned by Mike Hedden.

Where do you have your Velodyne placed? Up front?

The SPUD plus a good amp is going to run you closer to $3,000.

RMK bought a QSC PLX 2502 for ~$1,000 to power his SPUD.

I would think carefully about whether placing the SPUD nearfield is going to be localizable, (especially in the mid-bass). Some people can place something like an HSU MBM-12 right next to them and don't find localization a problem.

Others find the MBM to be localizable.

At one time it was thought that if you crossed your sub over at 80 Hz or lower you wouldn't have to deal with localization. After doing some reading it seams that some people can set their crossover at 120 Hz without being bothered by localization. Others find localization with settings under 80 Hz.

Maybe you would still be sitting in the "horn bubble", mentioned by Mike Hedden.

Where do you have your Velodyne placed? Up front?

The SPUD plus a good amp is going to run you closer to $3,000.

RMK bought a QSC PLX 2502 for ~$1,000 to power his SPUD.

The sub is currently nearfield and while the tactile effects are nice, it does stand out a bit. I haven't tweaked it enough to make it disappear.

I know I can find a suitable amp, so that's not a worry. If the THSPUD comes in around $2000, that's close enough.

The sub is currently nearfield and while the tactile effects are nice, it does stand out a bit. I haven't tweaked it enough to make it disappear.

I know I can find a suitable amp, so that's not a worry. If the THSPUD comes in around $2000, that's close enough.

The question is: can you tweak it enough to make it disappear, and if not, does it matter to you?

Velodyne has what I consider to be one of the best low pass crossovers around, at least on the DD series.

"15Hz to 199 Hz (variable in 1 Hz increcments) 6/12/18/24/30/36/42/48 dbb per octave slope"

ker near the front tri-corner.

Has official pricing been released? "Substantially south of $3000" is kind of vague.

Npt sure if its good to release exact prices, but as a ballpark a pair of TH-SPUD is significantly lower than 5k. But that's for a pair, not sure if one piece = /2
That is notably cheaper than the DTS-20 and TH-50.

Just get the EP2500 or Tapco J2500 for starters. Power it with one channel, it should be more than enough. The other channel, leave it for the future....add another unit, or DIY sub.
Not advisable to do it bridged.

BTW, what is your bookshelfs? Unless you run a DIY bookshelf with pro drivers + horns/ribbons/planars or commercial cinema/pro speakers and the likes, most of the subs mentioned you will find your current bookshelf to be easily lagging behind and sounding strained. :D

Mid-bass is about 80-200hz. Your sub should be rolling off at 80hz, not playing all that extra stuff.

At $2k I don't think you can meet all the goals with a commercial sub.

Bookshelf speakers are Paradigm Studio 20 v.4.

Bookshelf speakers are Paradigm Studio 20 v.4.

Here's some measurements for the predecessor.

http://www.soundstagemagazine.com/measurements/paradigm_studio20_v3/

How do you feel about multiple subs? I think that may be a better solution for you. If you can up the budget to maybe $2400-$2800 you can get multiples of many very good subs. 2 Epik Towers would be nice. I think 4 (;))Epik Valor's, or Knight's, or MFW-15's etc would be your best option. This will allow you to get a smoother room response with more even coverage and respectable output down to 16hz for a giant room like you have. 4 -15's should have plenty of midbass punch.

Multiples would be great. Great for sound, great for draining my funds. I am well aware of the benefits to multiple subs but at this point I would rather buy one really nice sub and save for a second.

One thought I had was to put a sub up front and run something like an MBM-12 nearfield.

If the SPUD really has twice the output of the DTS-20 then it would be the sub to get. 1 DTS-20 comes close to an A7-900(in output according to some who have owned both). This SPUD could be the new king of performance and value.

Is the submersive more powerful than the A7s-450?

Multiples would be great. Great for sound, great for draining my funds. I am well aware of the benefits to multiple subs but at this point I would rather buy one really nice sub and save for a second.

One thought I had was to put a sub up front and run something like an MBM-12 nearfield.

Ok.:)

Is the submersive more powerful than the A7s-450?

On paper, the two seem to be pretty well matched. The following comment is completely subjective, so you can do with it what you may. There is someone who just got a SubMersive. This person also had a Conquest, Ultra 13 and some other very well known brands. He has said that the SubMersive "outperforms" all other subs he has had in his room including the Conquest. He probably has an "average" size room. I also know that some else put a single in a room that was 4488 cf and is very happy with the results. You can find some of these posts on Marks website.

Thx MikeDuke for the info.

Thx MikeDuke for the info.

No prob :)

If the SPUD really has twice the output of the DTS-20 then it would be the sub to get. 1 DTS-20 comes close to an A7-900(in output according to some who have owned both). This SPUD could be the new king of performance and value.

This seems to be the case the more I read about it. Now for pricing and availability...

[QUOTE=fanbrain;14951870]This seems to be the case the more I read about it. Now for pricing and availability...[/QUOTE

Which of course is important.

fanbrain, could you post a rough sketch of your room layout?

Would it be possible for you to place one subwoofer on each side of your couch, to be used as endtables? That would give you great mid-bass impact, without being localizeable.

Thanks!

fanbrain, could you post a rough sketch of your room layout?

Would it be possible for you to place one subwoofer on each side of your couch, to be used as endtables? That would give you great mid-bass impact, without being localizeable.

Thanks!

My current subwoofer is placed nearfield as shown in the picture. One on the opposite side would be in the way of foot traffic, so that limits me to the front wall and the left side of the couch.

Ceilings are 8 ft on the left side of the room and vault to 12 ft just over the hallway on the top of the page.

The couch is 14 ft from the screen.

(I don't currently have the screen or projector. I'm waiting on the Panasonic PT-AE3000 to ship.)

http://farm4.static.flickr.com/3218/2980140040_0c6d8fd9ef_b.jpg

http://farm4.static.flickr.com/3152/2980139914_d534ff3445_b.jpg

http://farm4.static.flickr.com/3206/2980139750_746c52d5e3_b.jpg

This seems to be the case the more I read about it. Now for pricing and availability...

THSPUD is $2250 passive and the self powered version adds $1500.00
Passive availability is either in stock or ships in 1-2 weeks at the outside. The self powered versions are 2-4 weeks out.
Some have commented about the finish. Since one of the main uses of this sub is as a riser and furniture will be placed on it as well as performers and even dancers in club situations, we've made polyurea the standard finish. It is waterproof and extremely durable. However, if you want something else, all Danley products are available in custom finishes and colors. We've supplied product in piano gloss finishes, exotic woods, custom paint, etc. There is an upcharge but we are glad to offer the option.
This evening I was listening to a pair of THSPUDS with our SH46 full range tops which have a 1w/1m sensitivity of around 106-108 and I can tell you it really is unbelievable how well four 8" woofers keep up!


Thanks,

Mike Hedden
Danley Sound Labs, Inc.

THSPUD is $2250 passive and the self powered version adds $1500.00
Passive availability is either in stock or ships in 1-2 weeks at the outside. The self powered versions are 2-4 weeks out.
Some have commented about the finish. Since one of the main uses of this sub is as a riser and furniture will be placed on it as well as performers and even dancers in club situations, we've made polyurea the standard finish. It is waterproof and extremely durable. However, if you want something else, all Danley products are available in custom finishes and colors. We've supplied product in piano gloss finishes, exotic woods, custom paint, etc. There is an upcharge but we are glad to offer the option.
This evening I was listening to a pair of THSPUDS with our SH46 full range tops which have a 1w/1m sensitivity of around 106-108 and I can tell you it really is unbelievable how well four 8" woofers keep up!


Thanks,

Mike Hedden
Danley Sound Labs, Inc.

I have read about the output capability vs. the DTS 20. How does it compare SPL wise to the TH50 and in terms of sound quality with the other 2 mentioned?

If the SPUD really has twice the output of the DTS-20 then it would be the sub to get. 1 DTS-20 comes close to an A7-900(in output according to some who have owned both). This SPUD could be the new king of performance and value.

2X, is that +3dB, or +6dB? Anyway, I am waiting for some SPL numbers/graphs from DSL. I'd be happy if it is even 0-3dB range.

usd 2250 is pretty good.

I have read about the output capability vs. the DTS 20. How does it compare SPL wise to the TH50 and in terms of sound quality with the other 2 mentioned?

All of our subs sound great and that isn't just marketing speak. Regarding specs I'd encourage you to go to our website. The measured data is of the sensitivity, you can actually see our sensitivity at specific frequency. See how many other mannufacturers do like wise.
This thread concerns an 8500 sq ft oom. Our demo room is 48000 sq ft. and we regularly freak folks out in that space with one or two subs. I had a recent demo with an audiophile who commented that in our demo room his Velodyne subs would sound like toys. I would dare say of all the manufacturers on this forum we are in a tiny minority of those that have products equally at home in huge rooms as well as small ones. IMAX, Cirque du Soleil, and many performance spaces seating between 2000-7000 have picked Danley due to performance and flexible options.
We created the THSPUD to address the need for incredible bass while being steathly about it. That said, if you have the space and/or your wife will let you, the TH50 is the baddest dog in the woods. It is the only sub I know that will faithfully reproduce Master and Commander at any level you can can tolerate. I'm talking 125+ at 10 meters in a 48000 sq ft room!


Mike Hedden
Danley Sound Labs, Inc.

This thread concerns an 8500 sq ft oom. Our demo room is 48000 sq ft. and we regularly freak folks out in that space with one or two subs.
Actually it is 8500 cubic feet room. So its probably 1000 sq ft or so? LOL!

Actually it is 8500 cubic feet room. So its probably 1000 sq ft or so? LOL!

My bad I read it wrong as well. Our demo room is 80'x50'x13' so we talking 52000 cubic feet or 4000 sq st.

Mike Hedden
Danley Sound Labs, Inc.

How much is the TH50? :)

Edit:

THSPUD is $2250 passive and the self powered version adds $1500.00
Passive availability is either in stock or ships in 1-2 weeks at the outside. The self powered versions are 2-4 weeks out.


What are the amp requirements for the THSPUD? 2 channel, rated for 4 ohm loads, how many watts per channel? Do you recommend bridging a 2 ch. amp. to meet power requirements?

How much is the TH50? :)

Edit:



What are the amp requirements for the THSPUD? 2 channel, rated for 4 ohm loads, how many watts per channel? Do you recommend bridging a 2 ch. amp. to meet power requirements?

Don't jump the gun on the SPUD. Go for the big dog, the TH50. You can start out with a simple plate amp, (if you don't have a spare 600-1000 watt pro amp laying around). Later on, you can get a QSC amp.

Don't jump the gun on the SPUD. Go for the big dog, the TH50. You can start out with a simple plate amp, (if you don't have a spare 600-1000 watt pro amp laying around). Later on, you can get a QSC amp.

I'm not worried about the amp. I just need to know what kind of amp and specs I'm looking for.

And if it matters, the TH-50 form factor is better in my scenario. Imagine one placed nearfield.

http://bp3.blogger.com/_TftJFeBevvU/SBnK-RB_CbI/AAAAAAAAAKU/ie578ChCdTQ/s400/plug+ears.jpg

For fun, I placed a box representing a TH-50 where my current sub is.

45 x 34 x 25 :D

http://farm4.static.flickr.com/3163/2983290964_9b06a58b18_b.jpg

I thought I would post an update before my thread slides to page 2.

I will have pricing info for the Danley DTS-20, THSPUD and TH-50 tomorrow (Thursday).

In the meantime, I have really come to like the TH-50. Who wouldn't? There are only three seats across, so even bass coverage shouldn't be a problem. Before I commit, I will test nearfield and farfield placements to see where it would perform best.

can you put the TH50 behind the couch?

this is how i have mine

http://i240.photobucket.com/albums/ff172/slowcarIX/DSC01426.jpg

ignore my wiring mess :o

I thought I would post an update before my thread slides to page 2.

I will have pricing info for the Danley DTS-20, THSPUD and TH-50 tomorrow (Thursday).

In the meantime, I have really come to like the TH-50. Who wouldn't? There are only three seats across, so even bass coverage shouldn't be a problem. Before I commit, I will test nearfield and farfield placements to see where it would perform best.

I can't wait!

can you put the TH50 behind the couch?

this is how i have mine

http://i240.photobucket.com/albums/ff172/slowcarIX/DSC01426.jpg

ignore my wiring mess :o

Haha why? The wiring is the hilarious part! :D

haha why? The wiring is the hilarious part! :d


+1 :d

can you put the TH50 behind the couch?

this is how i have mine

snip

ignore my wiring mess :o

I told my wife about Danley subwoofers. I told her they are big. I showed her that picture and her eyes bugged out. I don't think she understood what "big" meant.

If I push the couch forward two feet, I can put the TH-50 behind it. You can see the couter in the render at the top of the page that is near the back side of the couch. That's the kitchen counter. It has a few barstools and I don't want to encroach in on them.

I can't wait!

I received pricing into on the TH-50 is well within the price I was willing to pay. Now I have to find an amp suitable to the job. I PM'd Mike Hedden about it, but haven't heard back from him.

RMK! has the THSPUD and a QSC PLX series amp. Why that series amp? Wouldn't something like the QSC RMX 1850HD do fine? It can supply 1100W into an 8 ohm load and 1800W into a 4 ohm load in bridge mono mode. That is within the range, no? I guess the need for the PLX series amp is not obvious to me. Is there something I'm missing? I have no need for a built in EQ. That will be separate.

Thanks for the input thus far.

The TH SPUD is 400 watts RMS and is an 8 ohm load. So an amp in the 400-800 watt @ 8 ohm range would be great for it.

I just brought a pair home to play with for the weekend. I will get some inroom response measurements also.

Tonight (halloween)I have them on either side of my porch for the "kiddies" to walk between. I am playing some really creepy/scary stuff-think whipping, electrocution, water torture, children screaming, chewing, creaking etc My wife HATES IT! but it is all in fun-mine anyway!

Hey, the neighbors expect it from me HA-HA!

I am driving them off a 1000 watt Adaire plate amp.

The TH SPUD is 400 watts RMS and is an 8 ohm load. So an amp in the 400-800 watt @ 8 ohm range would be great for it.

I just brought a pair home to play with for the weekend. I will get some inroom response measurements also.

Tonight (halloween)I have them on either side of my porch for the "kiddies" to walk between. I am playing some really creepy/scary stuff-think whipping, electrocution, water torture, children screaming, chewing, creaking etc My wife HATES IT! but it is all in fun-mine anyway!

Hey, the neighbors expect it from me HA-HA!

I am driving them off a 1000 watt Adaire plate amp.

How about the TH-50? I'm assuming you would/could run one TH-50 off of a stereo amp in bridge mono mode. Correct?

The TH 50 is a 4 ohm load and 1000 watts RMS. So an amp 1000-2000 watts @4 ohms would be a good thing to bring it to scary levels.

You could run a single channel or a bridged amp into it. I prefer the sound a single channel as compared to a bridged amp, because of the greater control a single channel offers over the driver and it's back EMF. This is true of ALL subs regardless of design.

The TH 50 is a 4 ohm load and 1000 watts RMS. So an amp 1000-2000 watts @4 ohms would be a good thing to bring it to scary levels.

You could run a single channel or a bridged amp into it. I prefer the sound a single channel as compared to a bridged amp, because of the greater control a single channel offers over the driver and it's back EMF. This is true of ALL subs regardless of design.

Forgive my ignorance: If I were to use a stereo amp that was rated at 1000 watts/ channel at 4 ohms and I used the +/- LEFT channel what would I do with the RIGHT channel? Does it matter? I know it matters with tube amps, but this is a different animal.

Forgive my ignorance: If I were to use a stereo amp that was rated at 1000 watts/ channel at 4 ohms and I used the +/- LEFT channel what would I do with the RIGHT channel? Does it matter? I know it matters with tube amps, but this is a different animal.

You would use the other channel for your OTHER TH 50. It's only a matter of time.

Seriously, if you end up using a stereo amp, the amp doesn't mind if one channel is not being used. If you have a use for it, fine, if not, the amp is fine with only one channel being used.

The real issue is whether you use a stereo amp in bridged mode. When you bridge these amps, the amp effectively sees half the impedance it would see if you use it in stereo mode. That is why there is no 2 ohm rating for these amps in bridged mode.

Chances are that the TH50 dips below 4 ohms even though not by very much. For that reason, you are probably better off using a higher power stereo amp and not bridging. That way, the amp can dip to 2 ohms without going out of its comfort zone.

The QSC2502 would be good. Designed specifically to handle two ohm loads with ease.

The only think I don't like about these pro amps is that they have cooling fans. You are not likely to hear the fans except during a quiet interlude in the sound.

dude go with 4 mfw-15s and be done with it

Chances are that the TH50 dips below 4 ohms even though not by very much. For that reason, you are probably better off using a higher power stereo amp and not bridging. That way, the amp can dip to 2 ohms without going out of its comfort zone.

.
If you look at the published impedance curve of the TH50
http://www.danleysoundlabs.com/pdf/TH%2050%20Spec%20Sheet.PDF

you will see that the impedance is actually higher than 4 ohms across the operating band. The 4 ohm number was choosen becuse it is the closest standard number to the actual impedance.

Yes the driver is rated at 4 ohms, but the horn loading raises the actual load impedance, which is standard for horns.

If you look at the published impedance curve of the TH50
http://www.danleysoundlabs.com/pdf/TH%2050%20Spec%20Sheet.PDF

you will see that the impedance is actually higher than 4 ohms across the operating band. The 4 ohm number was choosen becuse it is the closest standard number to the actual impedance.

Yes the driver is rated at 4 ohms, but the horn loading raises the actual load impedance, which is standard for horns.


With the published minimum impedance at 5 ohms at 25 Hz, the 4 ohm rating is justified. Thanks for pointing that out.

dude go with 4 mfw-15s and be done with it

Travis

If you read the entire thread, the OP is way, way in a different direction. He wants something different.

Travis

If you read the entire thread, the OP is way, way in a different direction. He wants something different.

If i'm going to use 4 MWF-15's then I might as well start wearing trendy clothes and drive something sensible instead of an old (92) Dodge diesel with stacks and stop listening to Vladimir Horowitz obsessively and throw away all my pipe organ CD's. Common is not for me. :) I realize 4 MWF-15's are not common, but still...

Thank you all for the amp info. It solidifies what I was thinking. I wasn't sure 2-channel amps would be fine using only one channel. I'll have to get pricing info for QSC on Monday. Guys, I'm EXCITED!!

I'm ordering all the junk to finish my movie watching outpost on Monday. Projector, screen, center channel, receiver and if I'm a good boy, a TH-50 with 1Kw to motivate it. Recession? Bah.

Off to update my lousy build thread.

What does your front stage consist of to keep up with the TH50?

What does your front stage consist of to keep up with the TH50?

Right now, Paradigm Studio 20 v.4 and I will be buying a Paradigm CC-590 next week. There is a good chance I will upgrade the speakers within the next 6 months. There is a link to my build thread in my signature. Everything is in disarray right now.

I own a couple of QSC 2502's which are great amps, but another very good quality amp that has been measured by a forum member, is the Behringer EP2500 which will give you more then enough power for the money for that sub, and is stable at a 4ohm load. It is easily becoming the amp of choice for subwoofer builds in the DIY section.

You can also get a good deal on it with the live.com 25% deal that Microsoft is doing right now... I just grabbed a couple of them for myself for my 8500 cu ft room... I'm going sealed with a couple of 18's and a couple 15's...

Check this thread
http://www.avsforum.com/avs-vb/showthread.php?t=1076036

Good luck with your search for Bass

Update:

The upgrade bug is biting harder than ever. They say 'your sound system is only as good as your weakest link' or something to that effect. I have had my sub for a few years now and it is starting to show its age. Either that or my perceived requirements are escalating. I'm afraid to turn up the LFE level for fear of overdriving the aging Velodyne.

I'm still enamored with the TH-50. I have been browsing amps and found a recently released Behringer EP4000 (http://www.behringer.com/EN/Products/EP4000.aspx). It seems to have enough power and a great price point. I could probably stick it in a closet to muffle the fan noise (unless it's not that bad).

Here are some pictures I found today. I really need to stop looking at this stuff until I have some money to throw at it. While there are no membership fees, AVS Forum sure costs a lot... :(

(Taken from Danley Sound Labs (http://www.danleysoundlabs.com/danleyport.asp?ID=53))

http://farm4.static.flickr.com/3308/3304724066_f0a416aa20_o.jpg

http://farm4.static.flickr.com/3651/3304723950_9cd7db53e8_o.jpg

Any update on the TH-50 purchase?

Sadly and not surprisingly, I don't have the money right now. I was this | | close to buying, but thought I'd better wait for a bit before I sunk many thousands into a wooden Godzilla. The desire is still here, the funds however, are not.

Anybody want to donate some money to the cause? :)