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Official Rythmik Audio Subwoofer thread - Page 222

post #6631 of 15247
Code:
Quote:
Originally Posted by Rythmik View Post

I also receive new H550PEQ3. Subwoofers with H550 will be slightly less expensive. Hopefully more customers can take advantage of that.
I'll bite! What is the compromise (advantages?) with the H550 instead of the H600?
post #6632 of 15247
Any new subwoofers based on the H550PEQ3? Cheaper revision of the current FV15HP/F15HP line? Will it integrate well with the current H600PEQ3 subwoofer in dual/multiple sub mode?
post #6633 of 15247
Quote:
Originally Posted by qguy View Post

Hi Brian,
You mentioned before that the A370PEQ amp when plugged into 220 volts will be able to produce a bit more that the rated 370 watts any ideas estimate on the wattage ?
The reason I am asking is that I am in a pissing contest with my neighbor who has a "3500" watts mini component system with TWO 6.5 subwoofers, which when added together makes a "13 inch subwoofer".. which is just 2 inches short of my 15 inch sub, I just feel inadequate saying that I just have 370 watts wink.gif

Sounds like a automotive sub to me. They don't sound good in a home theater setting because they are designed to pressurize a small area not a large room and have very short Xmax . I looked and any 6.5 sub speaker that would handle that kind of wattage was automotive. I'm sure it will play loud with no sound quality, I call them one note wanders because all the bass sounds the same.
post #6634 of 15247
Quote:
Originally Posted by LarryU View Post

Sounds like a automotive sub to me. They don't sound good in a home theater setting because they are designed to pressurize a small area not a large room and have very short Xmax . I looked and any 6.5 sub speaker that would handle that kind of wattage was automotive. I'm sure it will play loud with no sound quality, I call them one note wanders because all the bass sounds the same.
Boom, Boom, Boomity, Boom.
post #6635 of 15247

I have a question for Brian,last year i purchased four subs from you . All diy cabinets, two f25's at the front (see photo) horizontially placed with the amp vertically inserted per your instructions (Brian). Two f15's placed at the rear of the rooms middle, settings on all the subs are avr/12,rumble off, feq at 14 and damping at hi. Line in to the left only, peq2 parametric eq off, delay 0 and crossover 120. I 've never mentioned it,the front subs hum, but not the rear ones which are connected to a different circuit for obvious reasons (placement).What gives ? All settings are calibrated by auddyssey from a denon 4308ci reciever which has only one sub output,before changing to another unit that has two sub outs, is there a way to insure proper delay for all ? I'm not saying that things are not sounding right,they are,just think maybe i'm missing something.The subs are at different distances , front ones at say 11'.5" and rear at 7'.5", after calibration the auddyssey has the subs set to 8'5"distance from sweet spot, Why is that?  However i think the subs are fantastic the best i've ever owned, i've owned many nice subs more expensive then the rythmiks . Tell me if i'm doing anything wrong from what i describe regarding my settings. For those who like pictures here are some of my rythmiks beside my jtr triple 12 l-p's front setup.DSC00569.JPGDSC00570.JPGDSC00577.JPGAt the back row seperated on both sides of the seating are the two f15's firing foward, don't have a picture to show.

post #6636 of 15247
DROOL ^^

Have you tried moving one F15 sub to the front and connecting it to the same circuit and cables as the humming sub ?
post #6637 of 15247
Quote:
Originally Posted by qguy View Post

DROOL ^^
Have you tried moving one F15 sub to the front and connecting it to the same circuit and cables as the humming sub ?

No i haven't, When i get the time and energy i'll try just that in order to see if the sub hums i assume you mean. Thanks!

post #6638 of 15247
Quote:
Originally Posted by dragonleepenn View Post

I have a question for Brian,last year i purchased four subs from you . All diy cabinets, two f25's at the front (see photo) horizontially placed with the amp vertically inserted per your instructions (Brian). Two f15's placed at the rear of the rooms middle, settings on all the subs are avr/12,rumble off, feq at 14 and damping at hi. Line in to the left only, peq2 parametric eq off, delay 0 and crossover 120. I 've never mentioned it,the front subs hum, but not the rear ones which are connected to a different circuit for obvious reasons (placement).What gives ? All settings are calibrated by auddyssey from a denon 4308ci receiver which has only one sub output,before changing to another unit that has two sub outs, is there a way to insure proper delay for all ? I'm not saying that things are not sounding right,they are,just think maybe i'm missing something.The subs are at different distances , front ones at say 11'.5" and rear at 7'.5", after calibration the auddyssey has the subs set to 8'5"distance from sweet spot, Why is that? 

That is one nice work and setup. When you have multiple subs, distance calculation from Audyssey is a bit tricky. It cannot locate each individual sub. So the distance setting is based the phase after summing. In short, in your case, it should have been the mid point of 11'5" and 7'5", which is 9'5". So it is not far off. If you add 4ms delay using our delay adjustment knob on the rear subs, you should get closer to 11' reported distance from Audyssey. Try that and let me know.
post #6639 of 15247
Quote:
Originally Posted by Rythmik View Post


That is one nice work and setup. When you have multiple subs, distance calculation from Audyssey is a bit tricky. It cannot locate each individual sub. So the distance setting is based the phase after summing. In short, in your case, it should have been the mid point of 11'5" and 7'5", which is 9'5". So it is not far off. If you add 4ms delay using our delay adjustment knob on the rear subs, you should get closer to 11' reported distance from Audyssey. Try that and let me know.

Thanks Brian, i will do just that and report back my findings.

post #6640 of 15247
Quote:
Originally Posted by Skylinestar View Post

Any new subwoofers based on the H550PEQ3? Cheaper revision of the current FV15HP/F15HP line? Will it integrate well with the current H600PEQ3 subwoofer in dual/multiple sub mode?

H550PEQ3 are identical to H600PEQ3 in circuit design. So control and gain setting is completely identical. The only thing different is the power filter caps (and hence the transformer secondary output). In terms of max output, the difference is less than 1db. My cost difference on these two amps are less than $15. The reason that I had produced these amps is to offer them as cheaper alternative for CI customer. But now, I'd like to use this model to offer as discount for our customers as customers know that our policy is to keep our pricing steady. I will put them on our web page this weekend. The price after discount is $100 less than H600PEQ3 version. 10% discount still apply for multiple sub purchase.
post #6641 of 15247
F15 too loud for apartment living? Black Oak Grain vs. Black Matte?

I upgraded to 5x Sierra-1's from a HTiB
and can get 5% off on a Rythmik subwoofer. F15 has been recommended for my room size:
582

The room is about 2800 cu ft, a size that usually requires an F15 - but that's in the context of a freestanding house; I'm in an 50-year old apartment building with creaky wood floors. Sound sometimes leaks easily into the surrounding apartments. I don't need earth-shaking bass; in fact, the shows and movies I watch focus on character, mood, and plot rather than roller-coaster special effects. However, I do want the capability to go low and controlled for scenes employing an uneasy rumble for mood effect, and I have some music that goes very deep as well. And hopefully I won't be in an apartment forever.

Can the F15 go as low as the F12? With the same plate amplifier, and a larger cabinet and driver, it's known the F15 can output 2db more than the F12 at 20Hz. I know that both will offer very deep, clear, and controlled bass, but can the F15's volume be turned down while maintaining bass quality? or would the F12 be better for low volume listening?

2nd issue: anyone have detailed pictures of the Black Oak Grain finish vs the Black Matte? Minor issue compared to sound quality, but the illustrations on the Rythmik and Ascend Acoustics websites are too small to make out differences in reflectivity and texture. The Black Matte is probably less reflective, but may have a slightly sandpapery texture. I'm looking for durable, unobtrusive, and easy to clean.
post #6642 of 15247
I see that many have went the multi-sub route and are happier than ever.
Currently, I have the FV15HP at the front left corner of the room. (shown by the green circle).
I'm planning to add in one more sub on the front right corner of the room. (shown by the green star). There's no other place where I can place the sub due to doors and opening spaces.

Due to placement restriction, my only concern is that it'll not improve the bass frequency response. Is that possible? Or is it 100% true that having more than 1 sub with definitely smooth out the dips and nulls?
445

Here's my current frequency response (sweep starts at 20Hz with my subwoofer and my mains).
358

I'm hoping to fix the major dips, especially the one at 32Hz.
Edited by Skylinestar - 7/2/12 at 12:55am
post #6643 of 15247
Hi Skylinestar,
The null at 32Hz does look like a room null and I’m sure you were aware of that, and you know that the corner is the worst place to put a sub. I would imagine you have the sub facing out at a 45 degree angle, you could try turning it to fire down the front or side wall and it may help but I don’t think it will. I think this is from sound bouncing off the back wall so you need to move the sub closer to the back wall to move the null out of the listening area. If you put a second sub where you have the star I don’t think it will help because it’s still the same distance from the back wall. If you could put the second sub between S2 and B3 around where the blue dot is that should eliminate the null at 32Hz. Try putting your sub there temporarily and take a reading to see if the null at 32Hz is gone if so then a second sub should solve your problem. Also try using either 1/6th or 1/12th smoothing on your graph, it will get rid of all the sharp rises and dips so you can see really were your problems are, you can’t hear those sharp fluctuations and it makes the graph closer to what you really hear. These settings are not from me but from Brucek in one of his tutorials on REW on HTS.com. You might also look at some form of EQ to dial in a house curve, read some of the tutorials on REW for more information on this. Just my 2C hope it was helpful.
Larry
post #6644 of 15247
The room is about 2800 cu ft, a size that usually requires an F15 - but that's in the context of a freestanding house; I'm in an 50-year old apartment building with creaky wood floors. Sound sometimes leaks easily into the surrounding apartments. I don't need earth-shaking bass; in fact, the shows and movies I watch focus on character, mood, and plot rather than roller-coaster special effects. However, I do want the capability to go low and controlled for scenes employing an uneasy rumble for mood effect, and I have some music that goes very deep as well. And hopefully I won't be in an apartment forever.
Can the F15 go as low as the F12? With the same plate amplifier, and a larger cabinet and driver, it's known the F15 can output 2db more than the F12 at 20Hz. I know that both will offer very deep, clear, and controlled bass, but can the F15's volume be turned down while maintaining bass quality? or would the F12 be better for low volume listening?
2nd issue: anyone have detailed pictures of the Black Oak Grain finish vs the Black Matte? Minor issue compared to sound quality, but the illustrations on the Rythmik and Ascend Acoustics websites are too small to make out differences in reflectivity and texture. The Black Matte is probably less reflective, but may have a slightly sandpapery texture. I'm looking for durable, unobtrusive, and easy to clean.[/quote]

Brocken_5110,
Ether sub will work, I would go with the F15 just to make it future proof when you move to a house, but if money is an issue the F12 will work great also. For lower volumes you want to turn the gain down on the sub and leave the AVR level slightly higher around 0 to -5, the reason for this is if you have the signal to low on the AVR the sub won’t turn on at lower volumes, that is if you use the Standby/Limiter setting. Also they sound just as good at low volumes as they do at high volumes all subs can’t make this claim. As far as the finishes go I can’t comment because I haven’t seen them I have the DS1505/FV15 clone.
Larry
post #6645 of 15247
I'd like to comment about the Rythmik FV12, which i've had in my compact 900 cu ft. bedroom for the past few months. This subwoofer continually wows me. I run it 4dB hot and movies like Tron delivers waves of bass that travels through my bed, into my body, and causes my heart rate to accelerate. The low-end is very clean and full of impact. During the scene in Cloverfield when everybody is hiding in the liquor store and the beast stomps past their location, each footstep literally felt like periodic earthquake shocks that caused a sensation of my bed elevating. Oh, and the sub also fares really well with music.

So what's up with this model being out of stock for the past few weeks? Is the entire sub being redesigned or is it just a grill makeover? I like the way it looks naked, but have to agree the grill is kind of fugly. I keep all my cones exposed in any case.
post #6646 of 15247
I have heard one ID company (which I don't want to name) told a customer that don't buy our products because of our warranty, because we won't be around very long so the warranty is useless. I cannot believe what I heard and don't even know where the idea came from. We just moved to a two-unit new location (from one unit old location) with a combined storage space over 2600 sq ft. In other words, we are preparing ourselves for expansion. We build solid and sound products and we all take pride in them. We plan to serve our customers for a very very long time to come. As a matter of fact, our customers from 7-8 years ago still can get their parts serviced today. Not many companies (including the ID ones) can do that.

[EDIT] I want to emphasize that this company is an exception of otherwise very professional vendors here on AVS forum. The purpose of the post is a headsup just in case you hear the same rumor from your friends.
Edited by Rythmik - 7/3/12 at 7:11am
post #6647 of 15247
Yup Rythmik Warranty is useless, because the product is virtually bulletproof !!!. I live 11,000 kilometers away from Rythmik Audio, even though other subs are locally available with dealer warranties such as Velo, REL, Sunfire, Polk.. etc. I choose Rythmik , thats the kind of trust I have with his offering, plus there is actually very very few instances (if any ) where I hear of problems with the subwoofer.

Quote:
Originally Posted by Rythmik View Post

I have heard one ID company (which I don't want to name) told a customer that don't buy our products because of our warranty, because we won't be around very long so the warranty is useless. I cannot believe what I heard and don't even know where the idea came from. We just moved to a two-unit new location (from one unit old location) with a combined storage space over 2600 sq ft. In other words, we are preparing ourselves for expansion. We build solid and sound products and we all take pride in them. We plan to serve our customers for a very very long time to come. As a matter of fact, our customers from 7-8 years ago still can get their parts serviced today. Not many companies (including the ID ones) can do that.
post #6648 of 15247
Brian-congrats on the expansion and keep up the great work cool.gif.
post #6649 of 15247
Brian, that sounds like some of your competitors are getting seriously worried. smile.gif They probably should be. wink.gif
post #6650 of 15247
Quote:
Originally Posted by Rythmik View Post


That is one nice work and setup. When you have multiple subs, distance calculation from Audyssey is a bit tricky. It cannot locate each individual sub. So the distance setting is based the phase after summing. In short, in your case, it should have been the mid point of 11'5" and 7'5", which is 9'5". So it is not far off. If you add 4ms delay using our delay adjustment knob on the rear subs, you should get closer to 11' reported distance from Audyssey. Try that and let me know.

Brian i re-checked my rear subs distance from the sweet spot and found it to be 8".5" from the sweet spot not 7".5" as i had previously stated. So i set the distance on audyssey to 10'. I also found my 4 subs rear settings crossover at 40hz insted of 120hz. Don't know what i was thinking, i know better. I re-set all to 120hz and let the denons audyssey set the crossover. And boy wow! thought it was great before,well the subs seem much more dynamic,they jump out at you with power i had'nt heard before,these are very accurate subs. Some times it really pays to check things out . I overlooked my settings after  i had done some re-arranging my subs a fews weeks ago when i got my new mains up front. On your suggestion to turn up the sub-delay 4ms from the rear,how would i gage balance all four  subs at 4ms as there is no mark on the dials plate to set it to?   Any how the subs sound fantastic they really are hi-end and reflect that in performance.

post #6651 of 15247
Quote:
Originally Posted by dragonleepenn View Post

I have a question for Brian,last year i purchased four subs from you . All diy cabinets, two f25's at the front (see photo) horizontially placed with the amp vertically inserted per your instructions (Brian). Two f15's placed at the rear of the rooms middle, settings on all the subs are avr/12,rumble off, feq at 14 and damping at hi. Line in to the left only, peq2 parametric eq off, delay 0 and crossover 120. I 've never mentioned it,the front subs hum, but not the rear ones which are connected to a different circuit for obvious reasons (placement).What gives ? All settings are calibrated by auddyssey from a denon 4308ci reciever which has only one sub output,before changing to another unit that has two sub outs, is there a way to insure proper delay for all ? I'm not saying that things are not sounding right,they are,just think maybe i'm missing something.The subs are at different distances , front ones at say 11'.5" and rear at 7'.5", after calibration the auddyssey has the subs set to 8'5"distance from sweet spot, Why is that?  However i think the subs are fantastic the best i've ever owned, i've owned many nice subs more expensive then the rythmiks . Tell me if i'm doing anything wrong from what i describe regarding my settings.

First off... wicked set-up, very nice!!!

Secondly you would be amazed at the difference XT32/Sub EQ can make (that room deserves it wink.gif). I recently went XT32 (Denon 4311ci) after setting up a friends Integra 80.3 (where it became a 'must-have') and my dual Rythmiks have never sounded so good (they were well calibrated previously with BFD/REW).

Jason
post #6652 of 15247
Quote:
Originally Posted by loopaddiction View Post

I'd like to comment about the Rythmik FV12, which i've had in my compact 900 cu ft. bedroom for the past few months. This subwoofer continually wows me. I run it 4dB hot and movies like Tron delivers waves of bass that travels through my bed, into my body, and causes my heart rate to accelerate. The low-end is very clean and full of impact. During the scene in Cloverfield when everybody is hiding in the liquor store and the beast stomps past their location, each footstep literally felt like periodic earthquake shocks that caused a sensation of my bed elevating. Oh, and the sub also fares really well with music.

Thanks for the feedback.
Quote:
So what's up with this model being out of stock for the past few weeks? Is the entire sub being redesigned or is it just a grill makeover? I like the way it looks naked, but have to agree the grill is kind of fugly. I keep all my cones exposed in any case.

The redesign is more of a grille makeover and also a new amplifier with LFE input. The new amplifier has a smaller footprint.
post #6653 of 15247
Quote:
Originally Posted by DaGamePimp View Post


First off... wicked set-up, very nice!!!
Secondly you would be amazed at the difference XT32/Sub EQ can make (that room deserves it wink.gif). I recently went XT32 (Denon 4311ci) after setting up a friends Integra 80.3 (where it became a 'must-have') and my dual Rythmiks have never sounded so good (they were well calibrated previously with BFD/REW).
Jason

Thanks DaGame, and yes, i agree XT32 will be an improvement above what i have now. I've been doing the wait and see on whats new for the denon 4x13ci model . Have you heard any info on when and what features? The 4311ci is a great unit and their are some great deals from what i read on the forum. If you have any info please post it I've looked at Lexicon and it's way over priced, for many years i had Lexicon processors they are top of the line. But i feel you can get just as good sound from denon recievers, i always by-pass the internal amps and use seperates. What Rythmiks do you have? Post some pictures.  

post #6654 of 15247
Quote:
Originally Posted by dragonleepenn View Post

Thanks DaGame, and yes, i agree XT32 will be an improvement above what i have now. I've been doing the wait and see on whats new for the denon 4x13ci model . Have you heard any info on when and what features? The 4311ci is a great unit and their are some great deals from what i read on the forum. If you have any info please post it I've looked at Lexicon and it's way over priced, for many years i had Lexicon processors they are top of the line. But i feel you can get just as good sound from denon recievers, i always by-pass the internal amps and use seperates. What Rythmiks do you have? Post some pictures.  

I think the Denon 4520 is supposed to come out within the next few months and add 4K scaling/pass through as well as some zone feature additions, not sure beyond that other than I think it is claimed to be around $2500 (jdsmoothie and batpig would probably know more).

I know for what I paid for my 4311 there is nothing out there that can directly compete, have owned Onkyo previously and would not buy again (other than a pre/pro).

I have custom built Rythmiks, dual 12's (sealed), and actually have some in room response down to 7 Hz with fairly substantial output leveling off around 12 hz (at reference).

The Integra 80.3/XT32 that I set up for a friend was using Arcam amps/Paradigm reference 7 channel with dual Rythmik 15's (sealed non-HP's) and the bass was insanely clean and tight.

In both systems we used 14hz/Hi damping.

My system is nothing compared to what you have going there but the 'HT slideshow' link in my sig has pics of most of my gear. wink.gif

Jason

* Also wanted to say CONGRATULATIONS to Brian on the expansion, and a wish for many great years to come!
post #6655 of 15247
Receiver is next on my list since the FV15HP upgrade so I've been researching and watching the deals. XT32 just seems like a no brainer got to have if the budget can get you there. I've been eyeing the 4311 for a long time and the deals in the great found deals section have it at a great price at 1.2k lately.

However, the Onkyo 818 has really grabbed my eye lately. It has the better video processing and some nice features, it is newer than the 4311. It is lacking SubEQ but I think that is OK. Sub EQ gets your phase/distance and SPL correct and then XT32 does the EQ'ing as one sub so the EQing portion is the same between SubEQ and no SubEQ. I can do that with an SPL meter without too much heartach, so I'm fine without subEQ. Although they have recently reduced the price talk over in the Onkyo 818 thread there are posts earlier discussing vanns and EE giving sub 1k deals (.8k i think) and with the new models coming out (one almost identical to the 818) that price can only go south from here.

I've had HK, Denon, and Marantz. The latter being my favorite thus far but no XT32 offerings. I know Onkyo had problems in the past but supposedly they have gotten better about defects and build quality.

Hopefully a great 4th of July sale pops up. My old 5.1 receiver is working great (albeit out dated) so I'm waiting for a home run kind of deal.
post #6656 of 15247
Quote:
Originally Posted by Rythmik View Post

I have heard one ID company (which I don't want to name) told a customer that don't buy our products because of our warranty, because we won't be around very long so the warranty is useless. I cannot believe what I heard and don't even know where the idea came from. We just moved to a two-unit new location (from one unit old location) with a combined storage space over 2600 sq ft. In other words, we are preparing ourselves for expansion. We build solid and sound products and we all take pride in them. We plan to serve our customers for a very very long time to come. As a matter of fact, our customers from 7-8 years ago still can get their parts serviced today. Not many companies (including the ID ones) can do that.
[EDIT] I want to emphasize that this company is an exception of otherwise very professional vendors here on AVS forum. The purpose of the post is a headsup just in case you hear the same rumor from your friends.

Brian, I really don't think you have to worry about anything. My FV15 is just awesome. Your subs and your reputation are, imho, flawless. Keep up the AWESOME work!

Jeff
post #6657 of 15247
How long after the original order is a multi-sub discount still good for?
post #6658 of 15247
Quote:
Originally Posted by LarryU View Post

Brocken_5110,
Ether sub will work, I would go with the F15 just to make it future proof when you move to a house, but if money is an issue the F12 will work great also. For lower volumes you want to turn the gain down on the sub and leave the AVR level slightly higher around 0 to -5, the reason for this is if you have the signal to low on the AVR the sub won’t turn on at lower volumes, that is if you use the Standby/Limiter setting. Also they sound just as good at low volumes as they do at high volumes all subs can’t make this claim. As far as the finishes go I can’t comment because I haven’t seen them I have the DS1505/FV15 clone.
Larry

Thanks, Larry for the sub gain/AVR level tip. The $100 and 10-lb difference between the F12 and F15 isn't a problem. I was just thinking that the F15's driver might be less nimble at lower volumes since it's 1.5625 times larger than the F12's driver.

I found a post from earlier in this thread stating that the Matte Black finish is very non-reflective, but it would still be useful to see some close-up photos.
post #6659 of 15247
Quote:
Originally Posted by dstew100 View Post

How long after the original order is a multi-sub discount still good for?

Mine were ordered about 6 months apart, but you should check with Brian about that.
post #6660 of 15247
Quote:
Originally Posted by holt7153 View Post

Mine were ordered about 6 months apart, but you should check with Brian about that.

Don't worry too much. That 10% discount can be viewed as customer royalty discount.
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