ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 15:44:32 GMT -5
I have to ask this: Is 38 pounds for the Ultra 12" correct? Or is this a typo? Because factoring in a typical weight of about 5-8 pounds for the class D plate amp and 10-15 pounds for the driver, that would mean that the MDF enclosure at the specified dimensions is using only 1/2" or 5/8" thickness material with minimal to no internal bracing................
|
|
|
Post by bigred7078 on Apr 16, 2010 15:49:12 GMT -5
I have to ask this: Is 38 pounds for the Ultra 12" correct? Or is this a typo? Because factoring in a typical weight of about 5-8 pounds for the class D plate amp and 10-15 pounds for the driver, that would mean that the MDF enclosure at the specified dimensions is using only 1/2" or 5/8" thickness material with minimal to no internal bracing................ the website shows a pic of the inside. Looks like a single center brace. Not sure if its the angle, but the MDF that the sub is mounted on looks mighty thin.
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 16:04:58 GMT -5
I have to ask this: Is 38 pounds for the Ultra 12" correct? Or is this a typo? Because factoring in a typical weight of about 5-8 pounds for the class D plate amp and 10-15 pounds for the driver, that would mean that the MDF enclosure at the specified dimensions is using only 1/2" or 5/8" thickness material with minimal to no internal bracing................ the website shows a pic of the inside. Looks like a single center brace. Not sure if its the angle, but the MDF that the sub is mounted on looks mighty thin. link? cuz i cant find any internal pics anywhere.......
|
|
|
Post by monkumonku on Apr 16, 2010 16:06:55 GMT -5
I have to ask this: Is 38 pounds for the Ultra 12" correct? Or is this a typo? Because factoring in a typical weight of about 5-8 pounds for the class D plate amp and 10-15 pounds for the driver, that would mean that the MDF enclosure at the specified dimensions is using only 1/2" or 5/8" thickness material with minimal to no internal bracing................ As I recall, Big Dan addressed the weight issue in one of his posts about the sub a few days ago. I can't remember what thread it is in but I am pretty sure he said something about the weight that explains things better.
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 16:10:11 GMT -5
Nevermind, I found it........well the front plate is at least 3/4" stock(driver is semi flushed to front baffle) with a hollowed out 3/4" brace............I dunno................38lbs is pretty darn light for a sealed 12" sub..............
|
|
Animo
Emo VIPs
Gotta Love Me!!
Posts: 2,662
|
Post by Animo on Apr 16, 2010 17:16:57 GMT -5
Nevermind, I found it........well the front plate is at least 3/4" stock(driver is semi flushed to front baffle) with a hollowed out 3/4" brace............I dunno................38lbs is pretty darn light for a sealed 12" sub.............. One of my 13Av.2 drivers weighs more than that..... by 10 lbs!!
|
|
pczach
Emo VIPs
Blue Glow Rules!
Posts: 343
|
Post by pczach on Apr 16, 2010 18:15:47 GMT -5
My Rythmik F15 just arrived today, and I've got to say...This thing is built like a Sherman tank! A real back breaker to move around. Very impressive build quality. I leaned on it to make an adjustment to the controls on the back of the unit. It was like leaning on a rock! And I'm not exaggerating. Hooked it up and am very happy so far. Still need to do more tweaking, but the sound quality is excellent. Also, output is not a problem either. Very happy so far. Maybe the smaller size of the Ultra doesn't require multiple bracing. But after feeling my Rythmik today, it's hard to imagine a sub that weighs way less than half the poundage of the F15. Hey, the proof is in the pudding. If the Ultra's sound matches the specs, it's a huge winner and an unmatched value. Time will tell.
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 18:43:09 GMT -5
My Rythmik F15 just arrived today, and I've got to say...This thing is built like a Sherman tank! A real back breaker to move around. Very impressive build quality. I leaned on it to make an adjustment to the controls on the back of the unit. It was like leaning on a rock! And I'm not exaggerating. Hooked it up and am very happy so far. Still need to do more tweaking, but the sound quality is excellent. Also, output is not a problem either. Very happy so far. Maybe the smaller size of the Ultra doesn't require multiple bracing. But after feeling my Rythmik today, it's hard to imagine a sub that weighs way less than half the poundage of the F15. Hey, the proof is in the pudding. If the Ultra's sound matches the specs, it's a huge winner and an unmatched value. Time will tell. If I happened to be part of the influence to pick up one of those classy subs, then glad to be a part of it. Something tells me that once you take the time to properly dial it in, it will startle you with the detail and accuracy its capable of. Its not your typical sub at ANY pricepoint.
|
|
LCSeminole
Global Moderator
Res firma mitescere nescit.
Posts: 20,508
|
Post by LCSeminole on Apr 16, 2010 19:35:52 GMT -5
Nevermind, I found it........well the front plate is at least 3/4" stock(driver is semi flushed to front baffle) with a hollowed out 3/4" brace............I dunno................38lbs is pretty darn light for a sealed 12" sub.............. ntrain, Being new to the subject of subwoofers, I must ask: What would be an average weight for a 12in sealed subwoofer? I just looked at the SVS website and the weight for the recently retired SB12-Plus is 40 lbs. Are weights in the area of the SVS and Ultra 12 considered light? I do know that the ported subwoofers I've been looking at are substantially heavier. I'm just curious and looking to learn more about subwoofers and their specifications.
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 19:49:42 GMT -5
Nevermind, I found it........well the front plate is at least 3/4" stock(driver is semi flushed to front baffle) with a hollowed out 3/4" brace............I dunno................38lbs is pretty darn light for a sealed 12" sub.............. ntrain, Being new to the subject of subwoofers, I must ask: What would be an average weight for a 12in sealed subwoofer? I just looked at the SVS website and the weight for the recently retired SB12-Plus is 40 lbs. Are weights in the area of the SVS and Ultra 12 considered light? I do know that the ported subwoofers I've been looking at are substantially heavier. I'm just curious and looking to learn more about subwoofers and their specifications. Honestly the overall "weight" doesnt mean its gonna be a bad sounding subwoofer, but lightweight subs tend to rattle and resonate alot at rated output. A good 12" sealed sub normally will run around 50-80 pounds or more depending on the driver, cabinet density, bracing,material etc. 38 pounds for a sealed 12" sub just seems pretty darn light.
|
|
pczach
Emo VIPs
Blue Glow Rules!
Posts: 343
|
Post by pczach on Apr 16, 2010 22:16:36 GMT -5
My Rythmik F15 just arrived today, and I've got to say...This thing is built like a Sherman tank! A real back breaker to move around. Very impressive build quality. I leaned on it to make an adjustment to the controls on the back of the unit. It was like leaning on a rock! And I'm not exaggerating. Hooked it up and am very happy so far. Still need to do more tweaking, but the sound quality is excellent. Also, output is not a problem either. Very happy so far. Maybe the smaller size of the Ultra doesn't require multiple bracing. But after feeling my Rythmik today, it's hard to imagine a sub that weighs way less than half the poundage of the F15. Hey, the proof is in the pudding. If the Ultra's sound matches the specs, it's a huge winner and an unmatched value. Time will tell. If I happened to be part of the influence to pick up one of those classy subs, then glad to be a part of it. Something tells me that once you take the time to properly dial it in, it will startle you with the detail and accuracy its capable of. Its not your typical sub at ANY pricepoint. Ntrain, you did influence my decision on this sub. I was interested in them after researching the company and the info at the Rythmik website. I read many terrific reviews, but there is nothing like hearing it from people like you, and many others here at this forum with first-hand knowledge. I've come to trust in the wisdom and advice of many here to help make decisions and to give help when I don't have the knowledge or experience to make a fully informed choice. I still do my homework. I talked to Brian a few times, I asked questions, and finally made my choice. I have known for a while that I was going to get the F15, but I had just bought a new plasma, stand, speakers, blu-ray, etc... I had to let the credit card cool down a bit before I got the sub. ;D I appreciate your help in this decision ntrain. Many thanks, my friend, and to all the others here that make this great forum so helpful and so much fun. Now, let's hear more hands-on reviews of the Emo Ultras, so others can make informed purchases.
|
|
|
Post by roadrunner on Apr 16, 2010 22:39:11 GMT -5
I believe that Big Dan said that the Ultra 12 has a 1 inch MDF for the front panel, 3/4 inch for the rest of the enclosure, and that the amp was light weight because of a "special" switch-mode power supply they used. The driver itself is made from die cast aluminum and the cone in made from super light "bullet proof" material. Below are some features pasted from the Product Page:
• High efficiency power amplifier with high current switchmode power supply
• Die cast woofer frame with massive motor assembly
• Long throw, high BL woofer design with woven tinsel leads for high reliability
• Proprietary para-aramid blended fiber cone for high rigidity, accurate low frequency response, and minimal breakup
• Heavy-duty, Butyl rubber half roll surround
• Sealed, front firing cabinet with extensive cross bracing and internal damping
The Ultra sub was just designed using light weight materials and Dan went out of his way to emphasize that the light weight was due to carefully selecting its component parts. Emotiva went out of their way to make the Ultra 12 as light weight as possible. Heavy does not equate to better sound.
|
|
|
Post by monkumonku on Apr 16, 2010 23:22:22 GMT -5
ntrain, Being new to the subject of subwoofers, I must ask: What would be an average weight for a 12in sealed subwoofer? I just looked at the SVS website and the weight for the recently retired SB12-Plus is 40 lbs. Are weights in the area of the SVS and Ultra 12 considered light? I do know that the ported subwoofers I've been looking at are substantially heavier. I'm just curious and looking to learn more about subwoofers and their specifications. Honestly the overall "weight" doesnt mean its gonna be a bad sounding subwoofer, but lightweight subs tend to rattle and resonate alot at rated output. A good 12" sealed sub normally will run around 50-80 pounds or more depending on the driver, cabinet density, bracing,material etc. 38 pounds for a sealed 12" sub just seems pretty darn light. Say Ntrain, I know this is off topic but I know you have a UMC-1. I was wondering if you've tried flashing the new V6 firmware update and if so, what do you think of it?
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 23:36:28 GMT -5
Honestly the overall "weight" doesnt mean its gonna be a bad sounding subwoofer, but lightweight subs tend to rattle and resonate alot at rated output. A good 12" sealed sub normally will run around 50-80 pounds or more depending on the driver, cabinet density, bracing,material etc. 38 pounds for a sealed 12" sub just seems pretty darn light. Say Ntrain, I know this is off topic but I know you have a UMC-1. I was wondering if you've tried flashing the new V6 firmware update and if so, what do you think of it? Yep, I do flash the new fw update, went smooth as butter, and the problems I had are now a thing of the past, so I am a happy camper.
|
|
|
Post by monkumonku on Apr 16, 2010 23:38:19 GMT -5
Say Ntrain, I know this is off topic but I know you have a UMC-1. I was wondering if you've tried flashing the new V6 firmware update and if so, what do you think of it? Yep, I do flash the new fw update, went smooth as butter, and the problems I had are now a thing of the past, so I am a happy camper. Wow, congrats! Well, I suppose you should now be prepared for an onslaught of PM's asking what your secret is. Or maybe not, since everyone is hanging around the UMC-1 threads and probably won't notice your post. ;D
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 16, 2010 23:47:36 GMT -5
Yep, I do flash the new fw update, went smooth as butter, and the problems I had are now a thing of the past, so I am a happy camper. Wow, congrats! Well, I suppose you should now be prepared for an onslaught of PM's asking what your secret is. Or maybe not, since everyone is hanging around the UMC-1 threads and probably won't notice your post. ;D No secret, I just followed the dirrections, and it went without a hitch. The few issues I had were solved. I know people are talking about some bugs with a few post processing functions etc, but I never use em. What I do use, works perfectly for me now. Thats all I care about in honesty. I did actually post my experience, and I think I was literally the first one to dl and install the update(2:48pm on the nose).
|
|
|
Post by atroder on Apr 17, 2010 8:56:08 GMT -5
Ntrain, you did influence my decision on this sub... I appreciate your help in this decision ntrain. Many thanks, my friend, and to all the others here that make this great forum so helpful and so much fun. I would echo this same sentiment. Got an F12 recently to complement a pair of Songtowers. I am actually listening to music just to appreciate and marvel at the bass itself.
|
|
|
Post by Topend on Apr 17, 2010 12:16:24 GMT -5
I had a brief look at the Rythmik website and now I want a new sub. They have downward firing and front firing subs. What is the inherent advantages / disadvantages of each design?
Cheers, Dave.
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 17, 2010 12:31:30 GMT -5
I had a brief look at the Rythmik website and now I want a new sub. They have downward firing and front firing subs. What is the inherent advantages / disadvantages of each design? Cheers, Dave. Boundary loaded designs(downfiring) tend to have a natural boost in the lower frequencies below 40hz with less localization(harder to tell where bass comes from) issues. Front firing designs can blend into smaller speakers better that have minimal bass abilities. FWIW if your main speakers can play down comfortably to 80-90hz or lower the downfiring model is the way to go.
|
|
ntrain42
Emo VIPs
Smoke me a kipper, I'll be home before breakfast!
Posts: 2,969
|
Post by ntrain42 on Apr 17, 2010 12:42:10 GMT -5
To add, a good rule of thumb is if your main speakers feature a 6" driver or a pair of 5" drivers then you will probably have good extension down to just under 80hz without distortion issues at moderatly high volumes. A few speakers with just a single 5" midrange/midbass driver can hit this goal as well, but its not the norm.
|
|