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***Official HSU owners/support thread!*** - Page 193

post #5761 of 6197
Personally, I don't think the maximum extension will shorten the life of the sub.
My VTF-3/3 was fine, and I had it for 5 years in the maximum extension
mode. Never a problem.

Vardo
post #5762 of 6197
Quote:
Originally Posted by vardo View Post

Personally, I don't think the maximum extension will shorten the life of the sub.
My VTF-3/3 was fine, and I had it for 5 years in the maximum extension
mode. Never a problem.
Vardo

I have the VTF-2 4, so I don't know if that matters.
post #5763 of 6197
Quote:
Originally Posted by biglen View Post

My biggest reason for purchasing the sub, was that it goes down to 18Hz. It needs to be in max extension for that, but I don't want to shorten the life of the sub either. Hopefully, Dr. Hsu will shed some light on this.

When any equipment has to work less hard, it definitely help extend it's long term reliability. Setting the sub to two ports open, EQ2 definitely help reduce the stress on the sub when played at the same listening level. That said, the sub still has a great long life even if you don't do that. If you love the deep bass extension, don't worry about leaving it in one port open mode. It's the same as buying a DLP projector - if you run it in ECO mode, the bulb will last longer. However, if you like your picture bright, don't use the ECO mode and not enjoy it just because ECO mode will make the bulb last longer. biggrin.gif

P.S. If you have the upgrade itch like most of us, you will most likely upgrade long before getting close to the life of the sub!tongue.gif:D
post #5764 of 6197
I can say my speakers are a lot better now with the HSU sub. Before I could watch a movie with Audyssey at -55 and now with the sub I can clearly hear the dialog even lower at -65.
post #5765 of 6197


Were the sub is now is the best flat response that I could obtain and that is 76,76,73,73,73,66,60. Am I wrong? Thank you!

68,68,66,75,75,71,66


68,74,66,72,67,64,60


75,76,70,72,70,64,64


76,76,73,73,73,66,60


76,72,71,75,64,64,66
post #5766 of 6197
Yes, I think you have it at the best location.
post #5767 of 6197
Quote:
Originally Posted by dr_hsu View Post

Yes, I think you have it at the best location.

Oh and by the way I was wrong about the gain on the sub. I thought I had it at 10 o'clock because I thought the first line after min was 10 but the gain is a little lower than the first line so its around 8:45 or so. Thank you!
post #5768 of 6197
Quote:
Originally Posted by asere View Post

Oh and by the way I was wrong about the gain on the sub. I thought I had it at 10 o'clock because I thought the first line after min was 10 but the gain is a little lower than the first line so its around 8:45 or so. Thank you!

Not 8:42? biggrin.gif Just kidding. That sounds more like it.
post #5769 of 6197
Quote:
Originally Posted by asere View Post

Oh and by the way I was wrong about the gain on the sub. I thought I had it at 10 o'clock because I thought the first line after min was 10 but the gain is a little lower than the first line so its around 8:45 or so. Thank you!


I'm glad you got your situation taken care of. You had some odd stuff going on.
post #5770 of 6197
Just bought the Auralex great gramma. We'll see how well it decouples the sub.
post #5771 of 6197
Talk about shorten the life of the sub... My VTF-3 MK4 is barely three months old and now the amp is broken mad.gif Removed the driver, tested it on the receiver works fine.
For the heck of it here's pics of how it look inside:


Is there some QC problem or is it just me? I wonder how's your sub doing VTF-3 MK4 owners?
post #5772 of 6197
Quote:
Originally Posted by koresuki View Post

Talk about shorten the life of the sub... My VTF-3 MK4 is barely three months old and now the amp is broken mad.gif Removed the driver, tested it on the receiver works fine.
For the heck of it here's pics of how it look inside:


Is there some QC problem or is it just me? I wonder how's your sub doing VTF-3 MK4 owners?
First I've heard of it. My vtf3.3 is 3y/o and problem free
post #5773 of 6197
I have a VTF3.3 that will be six years trouble free since purchase in February. These things are solid. I have another one which is four or five years with never a problem. Never had a problem with any of my other Hsu subs either.
post #5774 of 6197
Quote:
Originally Posted by shadyJ View Post

I have a VTF3.3 that will be six years trouble free since purchase in February. These things are solid. I have another one which is four or five years with never a problem. Never had a problem with any of my other Hsu subs either.

I have had my VTF3.3 Turbo for nearly 5 years and it hasn't hiccuped Similarly, I have had a Hsu center channel speaker and 6 bookshelf speakers for nearly 4 years. They too have performed flawlessly.
post #5775 of 6197
There's not a single electronic product in the entire world that's immune to faults, these things happen, why did you open it up yourself instead of contacting HSU about the warranty?
post #5776 of 6197
Actually the first Hsu failure Ive seen reported since I started in this thread. I think they are pretty reliable, I also have a VTF2 MK4 going strong after a year.
post #5777 of 6197
I have had 5 HSU subs over the years....a sub failure is VERY rare if you have
an HSU sub.

Give them a call tomorrow.

vardo
post #5778 of 6197
First reported failure in 6 years hmm... sure looks pretty rare.

From the troubleshooting manual you should actually take the driver out of the cabinet first, test it if it plays fine on your receiver before you contact support.

I listen to sealed (0 ports open) EQ2. I wonder if it has to do with the lack of ventilation that might be the cause for a unhealthy amp
post #5779 of 6197
Just joined the HSU club with VTF-1 MK2 .

I am coming from several Subs

KEF 12
JBL PB10
Velodyne Impact 10
PL-120
Acoustech H-100

I am amazed at how much more controlled the new HSU sub is compared to all of the above. I purposely went down to 10 inch from 12 as my previous experience with 12 inch woofers was lack of clarity and overall boominess. This might have been due to inferior brands or buying the lower end of the subs they had to offer. The last sub I went through was a PL-120 and it was not good at all with music and the bass in my environment was very directional regardless of where I placed the sub.

On to the VTF-1. Everything sounds amazing.

I am running an Anthem MRX 300
Fronts: KEF IQ30s
Center: KEF IQ6c
Surrounds: KEF IQ10s

Up to this point I could never get my sub to blend well with my speakers. No matter how I set the crossovers, where I placed the sub or where I sat I just could't get it right. Plugged in the HSU ran the auto calibration on the Anthem and what a difference a good sub from a quality company makes. Thanks to these forums I was able to get some good info about many of the well respected sub companies and couldn't be happier with the purchase.
post #5780 of 6197
I have a ULS-15 that is a little over two years old and the amplifier is fried. HSU says the warranty only lasts for two years and there is nothing they will do. This sub was a waste of $1,000 and I will never buy another HSU piece of junk. This sub was never driven hard and always plugged into high-end power protection. Nice quality Dr. Hsu......
post #5781 of 6197
Quote:
Originally Posted by GreedyCPA View Post

I have a ULS-15 that is a little over two years old and the amplifier is fried. HSU says the warranty only lasts for two years and there is nothing they will do. This sub was a waste of $1,000 and I will never buy another HSU piece of junk. This sub was never driven hard and always plugged into high-end power protection. Nice quality Dr. Hsu......

I'm sure they will allow you to purchase a new or send it in for repair services on the amplifier.
post #5782 of 6197
Quote:
Originally Posted by GreedyCPA View Post

I have a ULS-15 that is a little over two years old and the amplifier is fried. HSU says the warranty only lasts for two years and there is nothing they will do. This sub was a waste of $1,000 and I will never buy another HSU piece of junk. This sub was never driven hard and always plugged into high-end power protection. Nice quality Dr. Hsu......

Like it was said in your other thread your high end power protection might have been your downfall. I can tell you the Rythmik I just bought I was specifically told By Brian not to use any kind of power conditioner/surge protector as they are not needed for most subs.
post #5783 of 6197
Quote:
Originally Posted by BiotypE View Post

Just joined the HSU club with VTF-1 MK2 .
I am coming from several Subs
KEF 12
JBL PB10
Velodyne Impact 10
PL-120
Acoustech H-100
I am amazed at how much more controlled the new HSU sub is compared to all of the above. I purposely went down to 10 inch from 12 as my previous experience with 12 inch woofers was lack of clarity and overall boominess. This might have been due to inferior brands or buying the lower end of the subs they had to offer. The last sub I went through was a PL-120 and it was not good at all with music and the bass in my environment was very directional regardless of where I placed the sub.
On to the VTF-1. Everything sounds amazing.
I am running an Anthem MRX 300
Fronts: KEF IQ30s
Center: KEF IQ6c
Surrounds: KEF IQ10s
Up to this point I could never get my sub to blend well with my speakers. No matter how I set the crossovers, where I placed the sub or where I sat I just could't get it right. Plugged in the HSU ran the auto calibration on the Anthem and what a difference a good sub from a quality company makes. Thanks to these forums I was able to get some good info about many of the well respected sub companies and couldn't be happier with the purchase.

Welcome to the Hsu family! Glad you liked our sub.
post #5784 of 6197
Quote:
Originally Posted by GreedyCPA View Post

I have a ULS-15 that is a little over two years old and the amplifier is fried. HSU says the warranty only lasts for two years and there is nothing they will do. This sub was a waste of $1,000 and I will never buy another HSU piece of junk. This sub was never driven hard and always plugged into high-end power protection. Nice quality Dr. Hsu......

Did you forget you've already started a thread about this? If your true intention was to work on getting the amp fixed, it would have made much more sense to send a PM to Dr. Hsu. Obviously, you're mistaken about how warranties work, and now you're just trying to flame a well-reputed company. Why would you EXPECT any company to replace anything out of warranty? I'd love to see you walk into any B&M store and demand they replace something with an expired warranty. I've browsed these forums for years, and I've seen very few reported amp failures with Hsu subs. In the few instances, those customers have always been able to work out an agreeable resolution with Hsu. Again, given your initial approach, this is not your goal, but to unsuccessfully try to dissuade potential customers from buying their product. Let the CS folks help you without thinking you deserve special treatment - this is not a conspiracy.
post #5785 of 6197
Quote:
Originally Posted by Gdell View Post

Did you forget you've already started a thread about this? If your true intention was to work on getting the amp fixed, it would have made much more sense to send a PM to Dr. Hsu. Obviously, you're mistaken about how warranties work, and now you're just trying to flame a well-reputed company. Why would you EXPECT any company to replace anything out of warranty? I'd love to see you walk into any B&M store and demand they replace something with an expired warranty. I've browsed these forums for years, and I've seen very few reported amp failures with Hsu subs. In the few instances, those customers have always been able to work out an agreeable resolution with Hsu. Again, given your initial approach, this is not your goal, but to unsuccessfully try to dissuade potential customers from buying their product. Let the CS folks help you without thinking you deserve special treatment - this is not a conspiracy.
+1
post #5786 of 6197
Like it was said in your other thread your high end power protection might have been your downfall. I can tell you the Rythmik I just bought I was specifically told By Brian not to use any kind of power conditioner/surge protector as they are not needed for most subs.

Do Hsu subs need to be connected to a line conditioner? I have mine connected to one. I want to make sure I'm not doing more harm than good.
post #5787 of 6197
Quote:
Originally Posted by asere View Post

Do Hsu subs need to be connected to a line conditioner? I have mine connected to one. I want to make sure I'm not doing more harm than good.

Not sure TBH, never owned an HSU sub. I would think that is something somebody here with an HSU sub may be able to answer...maybe even send Dr. Hsu a PM and ask him.
post #5788 of 6197
Mine is connected to a Panamax surge protector I would not think a line conditioner would be needed or advised .
post #5789 of 6197
I have all my stuff on Tripp Lite Isobar Ultras. My HDDVR is on a UPS.
post #5790 of 6197
So I am building my first quality HT/Music system. Curious about two HSU subwoofers. Perhaps somebody that has come in contact with both. Is the 15 significantly better? Worth the little bit more?

1. http://www.hsuresearch.com/products/vtf-3mk4.html

2. http://www.hsuresearch.com/products/vtf-15h.html
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