I know the information is not readily available via BA but I am pretty sure the passive xover point is pretty darn close? I could be wrong of course (it happend once....I was very dissapointed
I am sure someone with more knowledge then myself (99.9% of the population) could look at the internals of the xovers and know what the exact setup is... Would be nice to know. I usually like to xover a lot lower then what I have it, but this just sounded WAY better in my situation.
Ok, I just got them and just got done putting them in! I am in love....I will elaborate more but for now I will just say.......WOW!
I did some quick listening just to set xover points: 3200hz@24db with a high pass on the midbass at 68hz also 24db.
This is the highest I have ever xover any two way setup....It works....It works really really really well I have a Boston acoustics GT275 on the tweeters (2x75) and a GT2150 on the midbass (around 175x2 at 3ohms...give or take). Its a great combo as far as power/components! (just to be clear..I am running active!) The processor for now is a ppi dcx-730...I love this unit but I am awaiting the new release of the alpine and rockford units!
Mounting locations are: midbass in the doors...they are very well dampened! and the tweets in the a-pillars....
I will say from just some quick listening that this is the widest stage I have heard from a simple two way setup with nothing special going on..... It was immediately noticable. The imaging was exceptional without any sort of adjustments made. This is why I have been such a fan of this set for so long....not sure why it took so long to put some into my own ride????
This is what makes this set so great....You can use almost any mounting options or locations and they are still going to be great. I cant think of another set that is so forgiving in this regard.
The midrange on this set is some of the best I have ever had (2way or 3way I was fiddling with the set before I had the tweeters hooked up and even the sound was all on the dash, detailed all to hell, and it sounded very full....this was a great start and also very surprising....I couldnt wait to turn on the tweeters..... The detail obviously greatly improved and stage height rose a bit more. The set is very revealing, detailed, and buttery smooth! The midbass was very snappy and tactful in its representation.....they were just flat out accurate from 68-3200hz!!!! No strain, no muddy reproductions etc... They are a great upgrade from the hertz hsk165xls..... I am so glad to have those out of my truck!
The tweeters are very flat (which to me is a very good thing) and at the same time airy.... I dont think you could even make them harsh if you wanted to! Some might even find them to laid back? I find them very pleasing!
I will update more with specific tracks and the breakdowns of them.....
Of course all of this is nothing more then my opinion.....just a grain of salt people!
Here are a couple basic pics.... They have a small diameter mounting hole which is really nice! They are also SUPER light!!!!
I am considering getting a pair of spz60's for myself, do you have any complaints about them yet? What would you say they are comparable to? I am having a hard time deciding between the boston's and focal krx2's
My only complaint thus far is they can be to revealing (IMO) If you dont have excellent quality media then your going to suffer the results. Aside from that, I am a happy camper. I still have some more install stuff I need to do that should yeild even greater results (specifically midbass response). My 608gti's still own every other set I have ever used including 8" drivers in the midbass arena. These are not even close, but I know that once I finish my other door panels it might be a better comparison. The KRX2's are phenominal comps as well! I dont think your gonna make a bad choice either way personally.
"I" think they are laid back off axis but certainly retain the detailed sparkle if its in the recording. Some consider these tweeters to be harsh? I have no clue how that is remotely possible....
LOL!!!!!!!!!!! Digging DEEP now
Apples and Oranges IMO. I really liked the Quarts..... Excellent midrange, superb high end, midbass??? Ehhh, it was snappy as all hell and accurate but required a ton of work. The whole set required a lot of work to make them great, but if you did the results were fantastic.
The SPZ's have the quarts beat in the midbass area without question same with power handling. Midrange I would say cancel each other out, but the natural staging of the SPZ's is just freaky! I prefer the top end of the SPZ's as well. There is nothing added on the top end like I felt the quarts had (again, not harshness), its hard for me to describe. Both sets also come with some excellent xovers as well..... Volume is probably a toss up but without question power handling goes to the SPZ's. Ease of installation (margin of error or laziness) also goes to the SPZ's by a long shot....
Eh I was afraid of what you would say. I have 2 brand new sets of MB Quart QSC 216'S. They have been collecting dust for the past couple of years. So 2 weeks ago, I installed a set in my truck and immediately took it out and put it back in the box. I was very unhappy with it. The tweeters hardly had any spl to them. Off axis forget, it sounded like there wasnt any tweeters in there at all. As for the midbass it sounded like I was running a 3 inch driver, what a joke. I guess they would be great for somebody that listens to classic or jazz.
WOW, thats surprising? Never heard anyone describe those tweets as not having any spl.... Off axis is how they were meant to be implimented (on axis they can rip your face off). Midbass I agree, I had tiny sealed enclosures that fit right into my doors and that helped but they were to small for lower freq. ability. Free air in my doors they were exactly as you described. I also ran that set active as well so that migh have made a difference?
I tried off axis and on axis. The last set of the qsc's that was released had different crossovers from the original qsc's. They had tweeter protection with a tweeter bulb in the x over, I suspect that is why they do not have any spl.
Ahhhh, gotcha! I dont recall what I had? I never used the passives though...... Actually I did a VERY long time ago....the first series of q's....I dont remember much about them....that had to be like 60 sets of components ago
Well....I have sold my PPI DCX-730 so its time for the passives.....My truck is completely apart for the new ported center console project so I decided to just take out the back seat as well so I can rearrange my amps for the setup. I knew the GT amps didnt have a line out but wasnt concerned with this till I decided to try and biamp the passives I have some pigtails but they dont fit the rca opening on the amps..... Just to test them out I ran the set off the GT2150 which gives the set about 175 per side.... I really like the sound....its a little different from active but the potential is pretty great, to the point that I could easily live with it as is with limited tuning. I really only listened for about 20min but I was thoroughly impressed. B.A. really did a great job in the design of these xovers and the features they possess. My problem now is that I am not happy with 175 per side.... That is what I had going to each mid a little while ago I have been thinking about maybe picking up another gt275 which would give 275 bridged to each set...Or get another 2150 and that would give about 500 bridged to each side...... I might try the 2200 on the set (about 250 a side) and then try the 2150 on the ported sub????? Got a lot of "trying" out to go through and decisions to make Of course when I choose a processor I will go back to active (I think?) I may not
I expect a good deal of updates this week for anyone that cares.... I hope that in the next month I can do my new doors as well. Thats when I can really dial these puppies in!
"I" think they are laid back off axis but certainly retain the detailed sparkle if its in the recording. Some consider these tweeters to be harsh? I have no clue how that is remotely possible....
hey rex any suggestions on where to look to if i want to improve the tweets. i have the pro 60se and the tweets are "harsh". i have the mids in the doors ( 08 sierra) and tweets in the a pillar. i have the tweeter x-over set its lowest point. thx for any help
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The Pro60se set has the exact same tweets as the SPZ's. That was one of the major upgrades from the old pro's to the se's, so I have no clue where to go from here if your having issues with your tweeters harshness. As I have said before... (Not sure if it was in here or another thread so bare with me) The harshness or what ever people choose to call it, from the prose sets are almost always related to the midrange drivers.... They cross these sets over pretty high and I also find in general that aluminum cone drivers tend to be a little bright specifically in the upper ranges. My advice, before you rip out those tweets, is to eq from 4k down to the 1.6 range or so. Everytime I have dealt with this issue, that was the problem. It is very common/often that the tweeter is to blame for the "harshness" when in fact its really the mid. They image well too so you think that because of its perceived location it has to be the tweeter as well. For shits and giggles unplugg the tweets and let it ride for some tracks that you notice the harshness on and see what it sounds like? Good way to trouble shoot. If it is actually the tweeters then check to see how the mini reflection guide thingy majig on the tweeter is directed.... Play with that, as it can make a large difference as well.
Yes, they are the same tweeters. I have heard a few different vehicles with the passives in line, one of them I listened to SEVERAL times prior to me purchasing them. Not one time did I ever find them anything but super pleasing. Active is no different....I actually think in a lot of circumstances it may be to subtle for some. If the tweeters are harsh then someone is doing something terribly wrong somewhere? (not to be rude) This happens a lot with several components simply due to install error or the like. MB Quart is a prime example (as is the jbl 608s) If they are bright then something was done wrong, someone was not using them in the way they were intended...be it on or off axis.
Now to address your situation specifically.... I know that set very well and would bet almost anything that your "brightness" has WAY more to do with the midrange then the tweets. They are xover at a pretty high point, I also find aluminum mids tend to have a little bit of a brighter effect depending on what your doing with them and how there in there. I would be willing to bet a little more attention from 1.6-4k hz would help solve any issues by quite a bit. I doubt very highly that its the tweeters.
More on topic....I am going to be writing up a more detailed review from my listening results this morning... I actually had some time to just do nothing but listen to music
Don't worry, My install was correct from my overpowering zapco amplifiers, to my head unit. I am an installer at a car audio shop. I really just didn't like the tweeters. for a cheaper set yeah, but when you are an audiophile, or just really serious about accurate audio reproduction, they just don't cut it for me anyways. I sold both sets, and went to a 3 way zapco component set. cost a little more, but well worth it. I can put the mids and tweets on axis, and its perfect.
hey rex any suggestions on where to look to if i want to improve the tweets. i have the pro 60se and the tweets are "harsh". i have the mids in the doors ( 08 sierra) and tweets in the a pillar. i have the tweeter x-over set its lowest point. thx for any help
Rexroadj is right, unplug the tweets and listen for harshness in the upper midrange...
- Harshness still there? Use an EQ to tame from 2.5kHz to 5kHz
- Harshness gone? Play with tweeter aiming, more off axis.
Kelvin
Lycan
Quote:
I'll repeat it for the miliionth time : All amps do NOT sound the same ... It's astonishing to me that nobody understands this
Re: Boston Acoustics SPZ60......YUMMY!!!!!!!!!!!!
I was fiddling with the set before I had the tweeters hooked up and even the sound was all on the dash, detailed all to hell, and it sounded very full....this was a great start and also very surprising....I couldnt wait to turn on the tweeters..... The detail obviously greatly improved and stage height rose a bit more. The set is very revealing, detailed, and buttery smooth! The midbass was very snappy and tactful in its representation.....they were just flat out accurate from 68-3200hz!!!! No strain, no muddy reproductions etc... They are a great upgrade from the hertz hsk165xls..... I am so glad to have those out of my truck! 
Re: Boston Acoustics SPZ60......YUMMY!!!!!!!!!!!!
I love that top end sparkle
I have some pigtails but they dont fit the 
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