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The Official HSU VTF-15H Thread - Page 104

post #3091 of 5101
yup still playing with layout but roughly 8-10 feet back. Sounds like you've sold me! =)

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post #3092 of 5101
Ordered! =)
post #3093 of 5101
Welcome to the Family. Just finished unboxing mine.
post #3094 of 5101
Welcome to the Hsu family, Kadath and Prime316!
post #3095 of 5101
Thanks Doctor Hsu! I think I read somewhere that some Hsu products ship with a demo disk containing a great version of Saint Saens Symphony #3. Is that true, and if not can anyone clue me where to find the right version for purchase?
post #3096 of 5101
Yes, it comes with the second movement of Saint Saens Symphony #3, recorded by a Boston Audio Society member at Jordan Hall many years ago (as well as other tracks recorded by other BAS members and a bunch of test tones). Strongly recommend that you guys join the Boston Audio Society!
post #3097 of 5101
Hey Doctor HSU,

I owned a couple Bic America F12's for a while but this is the first subwoofer I've owned of this magnitude. When listening to these tones, is there any particular settings the sub should be on?

Also, any particular settings I should use when running audyssey? I don't necessarily need the sub's full output at the moment but more towards the low end.
post #3098 of 5101
Cool! Now I remember where I saw that, just as you mentioned! S&V had a recommendation for them as part of their 15h review:
http://www.soundandvisionmag.com/blog/2011/07/11/deepest-bass-ever
post #3099 of 5101
I finally got a round to taking pics of the twins in their new home. smile.gif

More pics in my sig...


post #3100 of 5101
Quote:
Originally Posted by Prime316 View Post

Hey Doctor HSU,
I owned a couple Bic America F12's for a while but this is the first subwoofer I've owned of this magnitude. When listening to these tones, is there any particular settings the sub should be on?
Also, any particular settings I should use when running audyssey? I don't necessarily need the sub's full output at the moment but more towards the low end.

I would set the sub to one port open, EQ1, Q=0.7 for the Audyssey auto calibration. After calibration, you can try other settings. For most program, I would go with two ports open, EQ2, Q=0.3.
post #3101 of 5101
Quote:
Originally Posted by Mike Lang View Post

I finally got a round to taking pics of the twins in their new home. smile.gif
More pics in my sig...


Really cool room! I particularly like your photo of Dozer.. He is so adorable. I have two Bichons. Is he a better woofer than the twin 15Hs? biggrin.gif
post #3102 of 5101
Quote:
Originally Posted by dr_hsu View Post

Is he a better woofer than the twin 15Hs? biggrin.gif

He's really more of a yawner & snorer than a woofer. smile.gif
post #3103 of 5101
Wow Mike two of them collocated the bass has to be outstanding bet it surprises the quest.
post #3104 of 5101
Just ordered one. My old sub was an SVS pb-10. I can't wait to get it. It's going to be a huge jump from the old sub!
post #3105 of 5101
I'm contemplating selling my VTF3 MK4 for the VTF 15. How much of a difference will I experience? Enough to satisfy the trouble of selling and buying?

Or buy another MK4? But I was thinking if I go the VTF 15 route I would surely eventually buy another VTF 15 down the road.

Sent from my DROID RAZR using Tapatalk 2
post #3106 of 5101
Quote:
Originally Posted by SmokenAshes View Post

I'm contemplating selling my VTF3 MK4 for the VTF 15. How much of a difference will I experience? Enough to satisfy the trouble of selling and buying?
Or buy another MK4? But I was thinking if I go the VTF 15 route I would surely eventually buy another VTF 15 down the road.
Sent from my DROID RAZR using Tapatalk 2
I only have 1 VTF3 MK4 and my room is 19.5 x 18.5 x 8 and can't imagine ever needing another sub this sucker is more than enough, I don't know how people use 2 subs like that I would think they would cancel each other out... my current VTF3 fills the room fully would never see adding another or even going up in size, but that's just my opinion.

Rustolem
post #3107 of 5101
Quote:
Originally Posted by bryanlesah View Post

Just ordered one. My old sub was an SVS pb-10. I can't wait to get it. It's going to be a huge jump from the old sub!

Welcome to the Hsu family!
post #3108 of 5101
Quote:
Originally Posted by SmokenAshes View Post

I'm contemplating selling my VTF3 MK4 for the VTF 15. How much of a difference will I experience? Enough to satisfy the trouble of selling and buying?
Or buy another MK4? But I was thinking if I go the VTF 15 route I would surely eventually buy another VTF 15 down the road.
Sent from my DROID RAZR using Tapatalk 2

Don't sell the VTF-3 MK4 - use it in your bedroom! biggrin.gif
post #3109 of 5101
Holy hell cabin in the woods has some crazy bass near the end.

Sent from my DROID RAZR using Tapatalk 2
post #3110 of 5101
Dr.

I remember awhile ago I gave you the dimensions of my theater and you told me to put my VTF3 MK4 2 Ports open and EQ2. I was rocking that out for awhile and just recently I got the bug to do some tweaking and tuning. So I decided to put it in 1 port with EQ1 and ran some tests I like to call How To Train Your Dragon. I am loving how in this setup how much deeper the sub can go. Literally shaking the house without hearing the sound. In scene #9 (where he's flying with Toothless testing out the tail flap) in this scene they use very low freq for the wind. Its like you can feel the wind in this setup. I'm also testing out having the crossover down to 60hz thinking it will tax less on the sub so it can playback the low levels easier.

I do like to apologize that I know this the VTF15 forum. I'm only posting here because I notice the good Dr. has been posting here lately.

Sent from my DROID RAZR using Tapatalk 2
post #3111 of 5101
I think he prefers the max output mode because he recommended that one to me too for general listening. You went into the mode that allows the unit to hit the lower bass notes so if you prefer the deepest bass, that's the mode you should stay in.
post #3112 of 5101
I received my 15H on Friday and quickly swapped out a pair of Polk MicroPro 2000 subs that I had been using. Frankly, I don't think I could not be more pleased with my purchase.

I have a 2050 cu/ft dedicated theater room and this sub fills it beautifully. The sub was a bit larger than I had imagined (mentally); but I had the room for it.

I already have about 20 hours on them and the bass simply envelopes while listening to music and rattles their teeth while watching movies.

My receiver's crossover is set to 80Hz and I have tuned the sub to a SPL reading of 80.5db at the primary seating position. My SPL readings average 78.5db across 31.5Hz, 40Hz, 50Hz, & 63Hz tones and 82db across 100Hz 125Hz, 160Hz, & 200Hz tones; so I've adjusted the sub level on my receiver +3db. The sub is currently setup with 1 port plugged, EQ1, Q-control set to .5, and the volume set to the 10 o'clock position.

Dr. Hsu and his team were one of the primary reasons I went with this sub. There are plenty of reviews out there noting their quality customer service and they certainly have lived up to those reviews for me. Highly recommended!


Edited by tko-rock - 12/2/12 at 8:18pm
post #3113 of 5101
Quote:
Originally Posted by SmokenAshes View Post

Dr.
I remember awhile ago I gave you the dimensions of my theater and you told me to put my VTF3 MK4 2 Ports open and EQ2. I was rocking that out for awhile and just recently I got the bug to do some tweaking and tuning. So I decided to put it in 1 port with EQ1 and ran some tests I like to call How To Train Your Dragon. I am loving how in this setup how much deeper the sub can go. Literally shaking the house without hearing the sound. In scene #9 (where he's flying with Toothless testing out the tail flap) in this scene they use very low freq for the wind. Its like you can feel the wind in this setup. I'm also testing out having the crossover down to 60hz thinking it will tax less on the sub so it can playback the low levels easier.
I do like to apologize that I know this the VTF15 forum. I'm only posting here because I notice the good Dr. has been posting here lately.
Sent from my DROID RAZR using Tapatalk 2

You are certainly most welcome to run the sub in the max extension mode. The two ports open mode gives you more headroom (and also lower distortion for the same listening level plus better long term reliability) for program that does not reach below the lower limit of the two ports open mode, but certainly for program that goes lower than that, the one port open mode will definitely be better. No problem posting here! biggrin.gif
post #3114 of 5101
Quote:
Originally Posted by tko-rock View Post

I received my 15H on Friday and quickly swapped out a pair of Polk MicroPro 2000 subs that I had been using. Frankly, I don't think I could not be more pleased with my purchase.
I have a 2050 cu/ft dedicated theater room and this sub fills it beautifully. The sub was a bit larger than I had imagined (mentally); but I had the room for it.
I already have about 20 hours on them and the bass simply envelopes while listening to music and rattles their teeth while watching movies.
My receiver's crossover is set to 80Hz and I have tuned the sub to a SPL reading of 80.5db at the primary seating position. My SPL readings average 78.5db across 31.5Hz, 40Hz, 50Hz, & 63Hz tones and 82db across 100Hz 125Hz, 160Hz, & 200Hz tones; so I've adjusted the sub level on my receiver +3db. The sub is currently setup with 1 port plugged, EQ1, Q-control set to .5, and the volume set to the 10 o'clock position.
Dr. Hsu and his team were one of the primary reasons I went with this sub. There are plenty of reviews out there noting their quality customer service and they certainly have lived up to those reviews for me. Highly recommended!

Thank you for your kind words! Glad you loved it so much. Welcome to the Hsu family. We are always here to help. Your SPl readings are with corrections applied?
post #3115 of 5101
Quote:
Originally Posted by Prime316 View Post

I think he prefers the max output mode because he recommended that one to me too for general listening. You went into the mode that allows the unit to hit the lower bass notes so if you prefer the deepest bass, that's the mode you should stay in.

That is exactly right! biggrin.gif
post #3116 of 5101
Quote:
Originally Posted by dr_hsu View Post

Thank you for your kind words! Glad you loved it so much. Welcome to the Hsu family. We are always here to help. Your SPl readings are with corrections applied?

The SPL readings were made prior to the receiver adjustments. Post adjustment, the averaged readings on the lower series came up to ~81db. I still have some tweaking to make; but I would like my ears to settle in for a couple of weeks.

I had an adjusted 3.5db dip between series readings at 40Hz. Otherwise, my readings were a pretty consistent curve. I'll have to retest a few more times to see if it is just a sampling error.
post #3117 of 5101
Quote:
Originally Posted by tko-rock View Post

The SPL readings were made prior to the receiver adjustments. Post adjustment, the averaged readings on the lower series came up to ~81db. I still have some tweaking to make; but I would like my ears to settle in for a couple of weeks.
I had an adjusted 3.5db dip between series readings at 40Hz. Otherwise, my readings were a pretty consistent curve. I'll have to retest a few more times to see if it is just a sampling error.

Apologies for not being clear. Did you use a Radio Shack SPL meter? If so, the meter's low bass is rolled off so the raw readings off the SPL meter is not the real SPL. I was curious if the numbers you posted are the raw numbers or the corrected numbers. For example, the Radio Shack SPL meter is down 7 dB at 20 Hz. A 75 dB meter reading would actually be 82 dB. Given that your averaging is from 31.5 Hz and up, it makes little difference since corrections in the range is minor.
post #3118 of 5101
Hey all, I'm looking for some advice on a sub for my setup. I'm running B&W CM9s up front, CMC2, and some older B&W 602s3 in the rear. Given my poorly put together drawing, would the VTF-15H be overkill? The room is fairly big and open to the kitchen.



Up until this week I've only had the 602s and am looking forward to building out the entire HT.

Thanks for any help available!
post #3119 of 5101
I can go ahead and tell you. I have a 15H In an area a lot smaller than that. Not meaning it can't handle it but to say there is no such thing as overkill.
post #3120 of 5101
Quote:
Originally Posted by dotdave View Post

Hey all, I'm looking for some advice on a sub for my setup. I'm running B&W CM9s up front, CMC2, and some older B&W 602s3 in the rear. Given my poorly put together drawing, would the VTF-15H be overkill? The room is fairly big and open to the kitchen.

Up until this week I've only had the 602s and am looking forward to building out the entire HT.
Thanks for any help available!

Based on your drawing, it is not overkill at all as you have to add the open spaces to the total cubic feet of the room. I would say you are a good candidate for a 15H, and I would be leary going smaller as a smaller sub may run out of stream That said, looks like you have near field placement, so that should help a bunch.
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