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Car Forum / Driving, Maintenance, Tuning / Car Audio / February 2004Dynaudio Sub on Mtx Amp question
I currenty use an MTX 2300 amp pushing two MTX T5000 15's, bridged. I am looking to save space and go with more of an SQ setup. I am thinking of using a Dynaudio MW190 sub (single 12) instead of the two 15's. Am I insane in thinking that sub won't fry the minute I hook up the 2300 amp to it (the amp is like 750 watts bridged and that's an understatement). speaker has rating, like 1000W max but 190W sustained not sure what to make of that. I am not the type to blast the volume but I don't want to worry about frying it in 5 min either. If I am does anyone have a suggestion? I am running Dyn separates in the front and don't really like the way the subs blend in with them and the box takes up too much space in my hatchback. obviously I don't have the jack to buy another amp and why do so the MTX is great and clean. I just want sq, not looking to win any spl titles. thanks for any help -z Of course the sub will be crossed over at probably 80hz at most, specs are at: http://www.dynaudiousa.com/products/car/drivers/190.htm I love the way my separates sound and though what better than to get a sub that's similar. If there is another sub I should look at plz let me know. thanks. oh and will will_skillz plz go away its getting old man > I currenty use an MTX 2300 amp pushing two MTX T5000 15's, bridged. I am > looking to save space and go with more of an SQ setup. I am thinking of [quoted text clipped - 15 lines] > > -z >I currenty use an MTX 2300 amp pushing two MTX T5000 15's, bridged. I am >looking to save space and go with more of an SQ setup. I am thinking of [quoted text clipped - 15 lines] > >-z While you will not " fry the minute you hook up the 2300 amp to it", you will need to keep an eye (or an ear) out for signs of over powering distress from the woofer. Why would you choose to replace two 15" MTX woofers with a single Dynaudio 12" woofer? These really are "apples to oranges" ya know? > Why would you choose to replace two 15" MTX woofers with a single Dynaudio 12" woofer? These really are "apples to oranges" ya know? How do you mean? I mean can you explain how it would sound different? What do I gain/lose? I hate being one of those people who can't really put into words what they want, I just want to save space and I want it to sound a certain way but I can't explain it well. I want less boomy, punchier and more exact bass. Maybe? I don't know how to put it in words. Thanks >> Why would you choose to replace two 15" MTX woofers with a single Dynaudio >12" woofer? These really are "apples to oranges" ya know? [quoted text clipped - 4 lines] >certain way but I can't explain it well. I want less boomy, punchier and >more exact bass. Maybe? I don't know how to put it in words. Thanks I think Peter is trying to suggest that you won't get the same SPL output you had with the pair of 15's and if you try to really push that Dyn it will give out at extreme high volume levels under prolonged use. It is more of a sound quality woofer, even 2 of them would probably still not play as loud as your previous subs. Stephen Narayan | IASCA Certified Judge 2003 canuck@teamrocs.com | http://www.teamrocs.com No system but I got a kick a.s headunit, amp and speakers... > I think Peter is trying to suggest that you won't get the same SPL > output you had with the pair of 15's and if you try to really push [quoted text clipped - 5 lines] > canuck@teamrocs.com | http://www.teamrocs.com > No system but I got a kick a.s headunit, amp and speakers... That's OK! I play the 15's at like 20% of what they can do so I would prefer an SQ woofer instead. I am worried how it would sound w/ rap though. I do listen to rap from time to time. Why do you want to replace your MTX subs? In other words, what's wrong with your current setup? > I currenty use an MTX 2300 amp pushing two MTX T5000 15's, bridged. I am > looking to save space and go with more of an SQ setup. I am thinking of [quoted text clipped - 15 lines] > > -z he said he was looking to save space. he should just build a single sealed box and run one of the mtx 15's. > Why do you want to replace your MTX subs? In other words, what's wrong with > your current setup? [quoted text clipped - 22 lines] > > > > -z > Why do you want to replace your MTX subs? In other words, what's wrong with > your current setup? I am looking to save some space. There is nothing wrong with my setup, sounds fine. Only problem is I use like 25% of what the subs can do, I feel like I have this monster in the trunk while I only want a "mini monster". I don't listen to the bass all that loud. I had the setup in my old bimmer 5 yrs ago before I got married and it was damn loud in ported enclosure. After I was married I sold the car and went stock for the last 5 yrs. Finally got a new car and put the system back in, got a new HU, Dyn separates but kept the amps and subs. Thing is I don't listen to it like I used to, I just want clean, punchy bass to complement my front stage, not necessarily two monsters. I did put them in a sealed 1.75 cuft box (each) so it doesn't take up the whole trunk and is less loud than the ported box was. Someone suggested using one 15 instead of two - I thought about that...thing is I got 8ohm subs. I may do nothing as it costs money and I really don't feel like spending a day cutting mdf and all that jazz. I was just looking for thoughts, thought about going with one smaller sub and getting trunk space back. Also I though it may sound better than the MTX subs. thanks guys. > "Mark Zarella" <zarellam@twcnyremove.rr.comspam> wrote in message > I am looking to save some space. There is nothing wrong with my setup, > sounds fine. Thing is I don't listen to it like I > used to, I just want clean, punchy bass to complement my front stage, not > necessarily two monsters. I did put them in a sealed 1.75 cuft box (each) so > it doesn't take up the whole trunk and is less loud than the ported box was. I feel like a hypocrite, I say it sounds fine then I say I want different sound. I guess I am 90% happy w/ sound and thought about going smaller to save space and started thinking maybe I want different sound altogether. I feel like a woman, never satisfied. > I feel like a hypocrite, I say it sounds fine then I say I want different > sound. I guess I am 90% happy w/ sound and thought about going smaller to > save space and started thinking maybe I want different sound altogether. I > feel like a woman, never satisfied. It would be helpful to try to identify what in particular you want to improve about the sound. > It would be helpful to try to identify what in particular you want to > improve about the sound. What I don't like about the way it sounds right now (not that it sounds bad, I am just being mr. unsatisfied) is that some tones seem to drag on. Not sure how to explain, but it's like when certain drums hit, they sound low and drag on, I want the quick punch and go away type of response if that makes any sense. I just installed these two weeks ago and haven't fully tuned the xover points or anything so I need to listen and make adjustments. I may have the xover set too low. I just though maybe I ought to use other subs to "blend in" with my Dyns better as I don't think these MTX subs are really meant for SQ but I could be wrong. > > It would be helpful to try to identify what in particular you want to > > improve about the sound. [quoted text clipped - 4 lines] > and drag on, I want the quick punch and go away type of response if that > makes any sense. Yeah, makes sense. Some of it is actually in the recording, especially if you listen to rap. > I just installed these two weeks ago and haven't fully tuned the xover > points or anything so I need to listen and make adjustments. I may have the > xover set too low. I just though maybe I ought to use other subs to "blend > in" with my Dyns better as I don't think these MTX subs are really meant for > SQ but I could be wrong. You don't bring up anything that suggests that the sub isn't performing correctly. Your lack of "punch" may be augmenting the degree to which it "drags on". This may very well be a midbass concern. If this is the case, then your analysis may be right - there may not be an adequate "blending in". This could be a function of crossover controls, level controls, midbass driver installation, phase (try wiring the sub "out of phase"), or enclosure size - roughly in that order. > You don't bring up anything that suggests that the sub isn't performing > correctly. Your lack of "punch" may be augmenting the degree to which it [quoted text clipped - 3 lines] > midbass driver installation, phase (try wiring the sub "out of phase"), or > enclosure size - roughly in that order. I built the box pretty square as to avoid any question of the correct volume and I used the recommended 1.75 cuft as per MTX for sealed boxes. I have a "reverse sub" setting for on the Alpine 7995 HU. Is that setting reversing the phase for me? If the speaker faces rear of trunk, ie away from me does that mean I should reverse the phase? I know reversing phase is switching the + and - leads but why would you do it is I guess what I am asking. My midbass drivers sound great, I have them crossed over at 80 hz and they give lots of nice midbass. Xover, level controls I will start adjusting, see where I get. Thanks for the help Mark. -Z > > You don't bring up anything that suggests that the sub isn't performing > > correctly. Your lack of "punch" may be augmenting the degree to which it [quoted text clipped - 7 lines] > I built the box pretty square as to avoid any question of the correct volume > and I used the recommended 1.75 cuft as per MTX for sealed boxes. Their recommendations are not always best for all users. Just like crossover points on component sets. > I have a "reverse sub" setting for on the Alpine 7995 HU. Is that setting > reversing the phase for me? Yes. > If the speaker faces rear of trunk, ie away > from me does that mean I should reverse the phase? Not necessarily. There's a delay due to a number of factors, both electrical and acoustical. Just go with whichever sounds best. This may vary for different types of music as well, which makes it especially handy having it deck-controlled. > Not necessarily. There's a delay due to a number of factors, both > electrical and acoustical. Just go with whichever sounds best. This may > vary for different types of music as well, which makes it especially handy > having it deck-controlled. Thanks for the help. I can honestly say that amp will not "fry" the sub. I use two 2300x in my setup, one on my front stage (3-way 80 watt RMS), and the other on a single 12" PPI pro (350 RMS). These amps were almost made for this use, the extra headroom is unbelievable and I never have to really push the amp and they have been flawless for me. I think my amps are rated at about 900 watts, but I can not complain about their sound on these lower power uses, eh? Ian TR/TA #084 > I currenty use an MTX 2300 amp pushing two MTX T5000 15's, bridged. I am > looking to save space and go with more of an SQ setup. I am thinking of [quoted text clipped - 15 lines] > > -z IMHO thats a STUD of an amp... Very under rated, with headroom to spare. You wont damage the Dynaudio the minute its hooked up as long as you dont push it beyond its capacity. Might want to run one of your 15's by itself, or an isobaric pair in a push-pull config. An aperiodic enclosure will work well if those subs have Qts below .45 and youre after flat freq response and SQ over dbs. I love the SQ of my powerbase extreme 15 in its tiny aperiodic enclosure... flat extension down to 23Hz !!! Telarc thunder. Garrett > I currenty use an MTX 2300 amp pushing two MTX T5000 15's, bridged. I am > looking to save space and go with more of an SQ setup. I am thinking of [quoted text clipped - 15 lines] > > -z thanks man I may try that out! > IMHO thats a STUD of an amp... Very under rated, with headroom to spare. > You wont damage the Dynaudio the minute its hooked up as long as you dont [quoted text clipped - 32 lines] > > > > -z you could build an isobarik setup. would be a very small box for 2 subs. ported isobarik is my favorite. > IMHO thats a STUD of an amp... Very under rated, with headroom to spare. > You wont damage the Dynaudio the minute its hooked up as long as you dont [quoted text clipped - 32 lines] > > > > -z > you could build an isobarik setup. would be a very small box for 2 subs. > ported isobarik is my favorite. How does it sound compared to sealed or regular ported? The isobaric pairs Ive heard were all in sealed enclosures, so they sound like sealed enclosures. Although the isobaric pair is generally not as effieient as a non-isobaric pair. Garrett > > [quoted text clipped - 5 lines] > > |
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