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blacksatsc2
05-15-2008, 10:47 PM
I'm considering picking these up. I have read nothing but good reviews but I'm curious about one thing. Their only "rated" at 50 watts RMS. Now I have heard that "ratings" are usually very inaccurate and many people tend to run 2 and r times the rated power and have no problems. I have a JL A4300 4 channel amp which is rated at 70x4 or 220x2 bridged. Should I run them at the 70x4? Or should I bridge the amp and run the 220x2 even though their "rated" at 50 Rms. Help me out please. Anyone who owns these speakers please tell me what you think. And I have a 2002 Saturn SC2. Will these fit?

kross
05-15-2008, 11:23 PM
They can handle up to 200 watt peaks. Set the gain on your amp to give a max of 200 watts, and that will be perfect.

Then, when you are running at full volume, the peaks in the music will hit that 200 watt mark, but the average output power will be much lower, probably lower than the 50 watts RMS they are rated for. Most music produced has a crest factor between 4 and 10, which means the peaks are between 4 and 10 times the average (RMS) power.

Hope this helps!
-- Kevin

ls2poweredgoat
05-15-2008, 11:24 PM
I currently have these...and they are amazing. Excellent midbass, each midbass alone weighs 4.5 pounds (no kidding).

They are currently being powered by a JL 300/2, and they take every bit of it.

blacksatsc2
05-16-2008, 12:23 AM
Ahhh ok thanks a lot guys. I think I have made my decision and will be getting these shortly. Anymore comments would be great.

ls2poweredgoat
05-16-2008, 12:28 AM
Buy them, you won't regret it.

blacksatsc2
05-16-2008, 12:41 AM
Buy them, you won't regret it.

Sweet, Im so looking forward to them. I've heard nothing but good things, and you can get them now from $225 to $250 so seems like a bargain to me.

skinnymofo
05-16-2008, 12:42 AM
got mine for about 270 after shipping.
worth every cent.

ChedNompton
05-16-2008, 12:49 AM
I'm running 300 a side, I wouldn't suggest this for long periods of time, as they do tend to get a little smelly. I would say they do very well with 200-250 watts a side. Any more questions, just ask.
Good luck,
Larson

J31Rob
05-16-2008, 12:50 AM
They can handle up to 200 watt peaks. Set the gain on your amp to give a max of 200 watts, and that will be perfect.

Then, when you are running at full volume, the peaks in the music will hit that 200 watt mark, but the average output power will be much lower, probably lower than the 50 watts RMS they are rated for. Most music produced has a crest factor between 4 and 10, which means the peaks are between 4 and 10 times the average (RMS) power.

Hope this helps!
-- Kevin

what the **** are you talking about.

you're saying they're rated for 50 rms, so give them 200.. w/nothing supporting that they'll handle it?

kross
05-16-2008, 01:28 AM
Nothing supporting they'll handle it? The specs say they will. Do you not know the difference between average power and peak power? How do you have over 4600 posts on here and not know the difference? Do you spend all your time in the general forum posting about who's make-believe girlfriend is hotter?

blacksatsc2
05-16-2008, 02:06 AM
I'm running 300 a side, I wouldn't suggest this for long periods of time, as they do tend to get a little smelly. I would say they do very well with 200-250 watts a side. Any more questions, just ask.
Good luck,
Larson

Alright sounds good, I plan on bridgeing my amp than for 225x2. They should scream beautifully, what amp are you running?

ChedNompton
05-16-2008, 02:28 AM
Alright sounds good, I plan on bridgeing my amp than for 225x2. They should scream beautifully, what amp are you running?

I'm running a JBL Px300.4 bridged. Gain set for 300 watts at 4 ohms (rated for 358 4 ohms). They seem to scream. Just watch out for the tweeter, as it tends to be a bit harsh to some people (which can be fixed with tweeter placement).
Larson

Edit: Are your doors deadened?

blacksatsc2
05-16-2008, 12:32 PM
I'm running a JBL Px300.4 bridged. Gain set for 300 watts at 4 ohms (rated for 358 4 ohms). They seem to scream. Just watch out for the tweeter, as it tends to be a bit harsh to some people (which can be fixed with tweeter placement).
Larson

Edit: Are your doors deadened?

Currently my doors are not deadened

ChedNompton
05-16-2008, 05:59 PM
I would suggest deadening in the future (sounds like you are planning on it), but I'd suggest at least sealing the holes in the doors with some sheet metal, wood, or plastic when you get the speakers.

Larson

blacksatsc2
05-17-2008, 07:09 PM
Alright so is everyone in aggreeance that 225x2 is a safe power to use with these?

ls2poweredgoat
05-17-2008, 07:12 PM
I wouldn't.

DejaWiz
05-18-2008, 12:02 AM
I wouldn't, either. 2x150w rms is as much as I'd give a set. They seem to do very very well midbass-wise off of that.

blacksatsc2
05-18-2008, 01:23 AM
I wouldn't, either. 2x150w rms is as much as I'd give a set. They seem to do very very well midbass-wise off of that.

Oh ok well where about do you think i should set my gains then? To be safe?

xxBURT0Nxx
05-18-2008, 02:24 AM
use a dmm to set the gains for 150 watts..... stickys are in the wiring/electrical section!

bigbangtheory
05-18-2008, 08:53 AM
I may check into these if my PG fail me, which I am more than happy with and only sending them 75rms a side. They seem to have a high fail rate as of late with people complaining about the tweeters blowen, so we shall see how they hold up. One of the better sets I have heard in my installs and worth every penny so far. See how durable they are though. If they go, I will probably get these or the cheaper brother.

dejo
05-18-2008, 04:46 PM
I have had a memphis 3004 bridged to a set for almost a year, with no issues. should be 230 rms per. and my drive to work is 5 hours. 225 wouldnt scare me with them.

blacksatsc2
05-19-2008, 03:54 PM
I think I'm ordering them tonight. Can't wait to get them.

Kool
05-19-2008, 05:57 PM
Despite everything pioneer ****s up at. They actually seem to make pretty **** good speakers. My brother had a pair in his last car and they lasted his 6 years. Plus they were louder then ****.

blacksatsc2
05-19-2008, 08:27 PM
Despite everything pioneer ****s up at. They actually seem to make pretty **** good speakers. My brother had a pair in his last car and they lasted his 6 years. Plus they were louder then ****.

A fellow Michigan man. Good to know.

blacksatsc2
05-21-2008, 11:19 PM
bump

wu501
05-21-2008, 11:22 PM
they have great reviews..or you could save a bit and get these...they use alot of the same technology as the prs series:

http://cgi.ebay.com/Pioneer-Premier-TS-D720C-6-3-4-Components-NEW-IN-BOX_W0QQitemZ270236887648QQihZ017QQcategoryZ18799Q QssPageNameZWDVWQQrdZ1QQcmdZViewItem

blacksatsc2
05-22-2008, 12:27 PM
they have great reviews..or you could save a bit and get these...they use alot of the same technology as the prs series:

http://cgi.ebay.com/Pioneer-Premier-TS-D720C-6-3-4-Components-NEW-IN-BOX_W0QQitemZ270236887648QQihZ017QQcategoryZ18799Q QssPageNameZWDVWQQrdZ1QQcmdZViewItem

Thanks for the suggestion Wu. I considered getting these originally then decided to spend the extra cash and get the PRS. I just ordered them off ebay yesterday so im waiting to get them in, and i will install them as soon as i can. Cant wait

DejaWiz
05-22-2008, 12:45 PM
Good stuff. Will be hopefully reading your review once you get them in and spend some time with them.

blacksatsc2
05-22-2008, 05:33 PM
Good stuff. Will be hopefully reading your review once you get them in and spend some time with them.

yea they should be here within about 5 days or so so i should have them installed within the next week, and ill give a basic review then give me a few weeks to get aquainted with them and set up properlyand i will give a more detailed review.

bigbangtheory
05-22-2008, 08:45 PM
Congrads and let us know how you like them.

blacksatsc2
05-25-2008, 10:32 PM
Bump it up. Still waiting for them.

blacksatsc2
05-27-2008, 09:39 PM
Ok so I still don't have them yet, but I have a question. SHould I run them regularly or bridge them off my 4 channel? My equipment consists of Pioneer 880, the JL A4300 4 channel, Boston Acoustics Sx65 Coax in the rear deck, and a JL 12W3v3 with the JL 250/1v2 pushing the sub in a sealed enclosure. The amp pushes 70x4 and bridged is 225x2. Should I Bridge the amp to run just the 720's? Or should I rum all 4 channels with the Bostons coax's for rear fill? What would be the best? Thanks.

PS: I currently have Boston SL60 Components up front. Left one is blown which is my reason for purchasing the 720's.

xxBURT0Nxx
05-27-2008, 09:54 PM
I would bridge the amp then set the gains to to around 100w or so and see how you like that. Maybe run even 150 or 175 to each. I think you will be happy and realize rear fill is unnecessary, but if you still want rear fill DO NOT amp it, just run it off of h/u power and fade like 75% front!

blacksatsc2
05-27-2008, 10:21 PM
I would bridge the amp then set the gains to to around 100w or so and see how you like that. Maybe run even 150 or 175 to each. I think you will be happy and realize rear fill is unnecessary, but if you still want rear fill DO NOT amp it, just run it off of h/u power and fade like 75% front!

Rear fill means nothing to me personally. I dont sit in the back so I dont care about the sound back there, but ive just been wanting to make sure its ok to run that much power at the 720's. Most people say yes they should have no problem. Ive heard some people pushing 250-300 at them, so I dont know.

xxBURT0Nxx
05-27-2008, 10:47 PM
I would personally start at 100 and then slowly push more power to them, like maybe increments of 25. Run them at like 150 for a few weeks to let them break in and then go up to 200 or more. Just listen to signs of driver stress and clipping(since we all know that kills speakers haha j/k) but yeah just make sure you send them clean power and listen to make sure they can handle it and aren't getting too warm!

Here-I-Come
05-27-2008, 11:02 PM
Ok so I still don't have them yet, but I have a question. SHould I run them regularly or bridge them off my 4 channel? My equipment consists of Pioneer 880, the JL A4300 4 channel, Boston Acoustics Sx65 Coax in the rear deck, and a JL 12W3v3 with the JL 250/1v2 pushing the sub in a sealed enclosure. The amp pushes 70x4 and bridged is 225x2. Should I Bridge the amp to run just the 720's? Or should I rum all 4 channels with the Bostons coax's for rear fill? What would be the best? Thanks.

PS: I currently have Boston SL60 Components up front. Left one is blown which is my reason for purchasing the 720's.


No, sir run them active. Put those Coax on the head unit power and use your 880 and your A4300 to run the 720 active. The passive crossover in this set is a big weak link. Cross the tweeters at 3.5khz and this set will amaze you. This tweeter is so detailed and accurate at this crossover piont you will be amazed. The passive cross the over around 2-2.5khz and they do not like it.

Here-I-Come
05-27-2008, 11:07 PM
Remember these drivers not like a ton of power, I will be the first to say the more power the better, but in this case this set excels active. The crossover just is not up to par of the drivers used in this set. They had to keep the price do somewhere:D.

xxBURT0Nxx
05-27-2008, 11:07 PM
Yeah, but if you run active I would reccommend that you at least get another amp b/c 70 wrms simply isnt enough imo when running active. I would push at least 150 to the mids and 75-100 to the tweets.

DejaWiz
05-27-2008, 11:09 PM
Yeah, but if you run active I would reccommend that you at least get another amp b/c 70 wrms simply isnt enough imo when running active. I would push at least 150 to the mids and 75-100 to the tweets.

For the 720PRS, 4x60w rms will suffice (http://www.diymobileaudio.com/forum/showthread.php?t=7302) when running active.

xxBURT0Nxx
05-27-2008, 11:42 PM
Okay, well if you say so haha! No I think it would sound good.. but you could always use more power imo!

DejaWiz
05-27-2008, 11:48 PM
Okay, well if you say so haha! No I think it would sound good.. but you could always use more power imo!

Running active is way more efficient than running passive, so it should go without saying that less power is typically needed.

Besides, the quality of the install will reign supreme over higher amounts of power anyway.

xxBURT0Nxx
05-27-2008, 11:55 PM
Agreed... but i know you still want more power haha

Here-I-Come
05-28-2008, 12:41 AM
You must understand the true amount of power a driver use really. Tweeters, at frequency that high you may be using 15-20 watts. For the mid/midbass you 50 watts active usually is a lot of power. I don't think he's trying to compete in IASCA or MECA with the system. You have more then enough power to go active.

DejaWiz
05-28-2008, 10:48 AM
You must understand the true amount of power a driver use really. Tweeters, at frequency that high you may be using 15-20 watts. For the mid/midbass your 50 watts active usually is a lot of power. I don't think he's trying to compete in IASCA or MECA with the system. You have more then enough power to go active.

Exactly. Especially since these speakers are fairly efficient to begin with. The losses which occur within the passive crossover network are removed by going active.

blacksatsc2
05-29-2008, 09:59 PM
Ok so the company I got them from on ebay finally sent me an email after i had to send them one saying that they are out of stock and are refunding my money. Seems like everybody else is out of stock too except for the local shops around here who want the $550 retail for them. Im not paying that much. So can you guys tell me some good 61/2 or 6 3/4 inch components that i can get for around the 250 i was paying for the PRS's that will somewhat rival these? What do you guys think about the alpine type x Refs? how are they? Or the Morel Tempo's? Or the Diamond S600S, or the Boston Pro60's? Or I'll take any suggestions on any other components in that price range. Thanks.

DejaWiz
05-29-2008, 10:14 PM
Check out the PPI 365cs's or the CW VMax 65's. There's always the new Pioneer D series comps, as well.

kross
05-29-2008, 10:56 PM
Hertz HSK 165 or Rainbow CMX Kicks are nice choices in that price range.

Here-I-Come
05-30-2008, 12:57 AM
Let me check with my Distributor and I will see how much I can get you a set of the 720PRS for. I will let you know tomorrow and I will be able to offer you a small warranty also, just because you are a fellow forum member!

Here-I-Come
05-30-2008, 01:02 AM
Once again i will say check out the Blaupunkt VC660 or VC650 this system has a lot of great feature built into them that you will fine in systems costing 3-4 times as much and they sound very good, DLS/Dynaudio like. For what the can be had for you will not find a better set even at twice as much.

Heres some nice reading on this set from over at DIYMA

http://www.diymobileaudio.com/forum/showthread.php?t=25813&highlight=blaupunkt+VC660

dftnz7
05-31-2008, 03:31 AM
Some ID CTX65cs would be really nice too. Great drivers for $179 shipped...authorized with full warranty from woofersetc.com...

blacksatsc2
06-03-2008, 12:38 AM
Some ID CTX65cs would be really nice too. Great drivers for $179 shipped...authorized with full warranty from woofersetc.com...

How are the ID's I started looking at them? Have you or anybody else heard them?