E46 BMW Social Directory E46 FAQ 3-Series Discussion Forums BMW Photo Gallery BMW 3-Series Technical Information E46 Fanatics - The Ultimate BMW Resource BMW Vendors General E46 Forum The Tire Rack's Tire Wheel Forum Forced Induction Forum The Off-Topic The E46 BMW Showroom For Sale, For Trade or Wanting to Buy

Welcome to the E46Fanatics forums. E46Fanatics is the premiere website for BMW 3 series owners around the world with interactive forums, a geographical enthusiast directory, photo galleries, and technical information for BMW enthusiasts.

You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today!

If you have any problems with the registration process or your account login, please contact contact us.

Go Back   E46Fanatics > Tuning & Tech > Bavarian Soundwerks' Mobile Electronics Forum

Bavarian Soundwerks' Mobile Electronics Forum
Have all your A/V and electronics questions answered here. Ipods, A/V, Radar Detectors Oh My!
Sponsored by Bavarian Soundwerks

Reply
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 11-28-2004, 02:07 AM   #1
wildpanda86
Registered User
 
Join Date: Mar 2003
Location: SoCal
Posts: 779
My Ride: 2001 325ci
I need help designing a system around this amp.. Eclipse PA5532

I just got an Eclipse PA5532 amplifier. Here are the specs:
125W 4 + 460W x 1 Max @2 ohm Stereo
70W 4 + 280W x 1 RMS @2 ohm Stereo
50W 4 + 200W x 1 RMS @4 ohm Stereo

I need a system designed around the capabilites of this amp. I managed to get this amplifier at Al & Ed's 50% off sale this past weeked.

I have a 325ci with the HK system that will be completely taken out & SkiPass. Do you think a 200 or 300 watt subwoofer will get good bass through? Or should I just go with Stealth subs & then BiAmp the front speakers?

Some subwoofers I am considering is any of the JLW3's or JLW6 in a DVC configuration (maybe prowedge or H.O.wedge), Orbis audio(www.orbisaudio.com) CF10 subwoofer, or Eclipse 12inch SW6124BX enclosed sub (sealed... not the old ported one), or free air with an Alumapro Alchemy FA.

any suggestions would be greatly appreciated.
wildpanda86 is offline   Reply With Quote
Ads by Google

Guests, get your FREE E46Fanatics.com membership to remove this ad.
Old 11-28-2004, 03:24 AM   #2
stewey
Registered User
 
Join Date: Jul 2004
Location: Victoria, BC, Canada
Posts: 237
My Ride: 2002 325Ci
Quote:
Originally Posted by wildpanda86
should I just go with Stealth subs & then BiAmp the front speakers?
Instead of Bi-amping the fronts, maybe it would be better to bridge those four channels into two and run that through the x-overs that come with your components.

Does you amp allow you to use a high and low pass filter on the same channel? If not you will almost certainly want to run through the x-overs that come with the fronts, that way you can use a high-pass on the amp to trim off some of the low-end before you feed it into the passive x-overs. This should improve the performance of your fronts by reducing the level of bass they see.
stewey is offline   Reply With Quote
Old 11-28-2004, 10:16 AM   #3
wildpanda86
Registered User
 
Join Date: Mar 2003
Location: SoCal
Posts: 779
My Ride: 2001 325ci
It does have cross overs, here are the rest of the specs:

125W 4 Channel + 460W 1 Channel Max. Power Output at 2 Stereo
70W 4 Channel + 280W 1 Channel 0.1% THD at 2 Stereo, 20 20,000Hz@13.8V (RMS Continuous Power)
50W 4 Channel + 200W 1 Channel 0.1% THD at 4W Stereo, 20 20,000Hz@13.8V (RMS Continuous Power)
ChannelFlex Crossover
Adjustable High-Pass Crossover (12dB/octave, 50200Hz) for Front & 120Hz (Fix) for Rear Independently
Adjustable Low-Pass Crossover (12dB/octave, 50200Hz)
Free-Flow Signal Circuit
Double-Sided PCB
High-Current, High-Speed Output Devices
High-Efficiency, High-Energy MOSFET Power Supply
Audiophile Grade Component Selection
Intelligent 7-Way Discrete Protection Circuitry
Music Reproduction with Low Distortion & Ultra-Low Negative Feedback
S/N greater than115db
Efficient Cooling with Low-Profile Heatsink
Multi-Mode Configuration
Stereo/Mono Switch
2 Stable Design
wildpanda86 is offline   Reply With Quote
Old 11-28-2004, 11:15 AM   #4
bigjae1976
Registered User
 
bigjae1976's Avatar
 
Join Date: Dec 2003
Location: Earth
Posts: 11,465
My Ride: A car
Send a message via MSN to bigjae1976
I would stick to Eclipse's HU's...you can get better for the money. Just my opinion.

If you biamp the fronts, you have to take speaker sensitivity into account.

Your tweeter are probably 3-6dbs more sensitive than the woofer. Plus, the DA Hex components that you are considering have an 8 ohm tweeter.

The DA Hexes are not a good candidate for bi-amping because your just throwing power away, IMO.

But, whatever you choose, you'll want the woofers and tweets to play at the same level, so you'll have do some math to make it work right with the differing sensitivity of the speakers.

Here is how you do it...audiocontrol to the rescue. Click on 104.

Audiocontrol Tech

This will make life easier when it comes to the tuning portion.
bigjae1976 is offline   Reply With Quote
Old 11-29-2004, 01:30 AM   #5
wildpanda86
Registered User
 
Join Date: Mar 2003
Location: SoCal
Posts: 779
My Ride: 2001 325ci
What if I bridge the 4 channels up front into 2 channels for the components & use the 5th channel for the stealth box... a 3 channel system.

Also... considering the subwoofer channel output of 200rms into a 4ohm load and 270rms into a 2ohm load, which would sound better, stealth subs or a 200-300 watt subwoofer in either a sealed enclosure, ported enclosure, or bandpass enclosure.

my car has a skipass opening.
Quote:
Originally Posted by bigjae1976
I would stick to Eclipse's HU's...you can get better for the money. Just my opinion.

If you biamp the fronts, you have to take speaker sensitivity into account.

Your tweeter are probably 3-6dbs more sensitive than the woofer. Plus, the DA Hex components that you are considering have an 8 ohm tweeter.

The DA Hexes are not a good candidate for bi-amping because your just throwing power away, IMO.

But, whatever you choose, you'll want the woofers and tweets to play at the same level, so you'll have do some math to make it work right with the differing sensitivity of the speakers.

Here is how you do it...audiocontrol to the rescue. Click on 104.

Audiocontrol Tech

This will make life easier when it comes to the tuning portion.
wildpanda86 is offline   Reply With Quote
Old 11-29-2004, 01:45 AM   #6
learthworml
mod-er-at-or-er
 
Join Date: Jul 2002
Location: Dallas, TX
Posts: 1,188
My Ride: 2011 Tundra Crewmax
Bridge the front to your components of choice is ur best bet. It is a waste putting 50 watts on a tweeter. On a sine wave most tweeters see 25 watts at most. The most you will see on music is like 15 watts. Then run the 5th channel to an efficient sub. Alpine 177r's are good relatively cheap comps. Around 250 on ebay. You can try an image dynamics 10 inch sub ported or sealed. You get more efficiency ported. Don't do stealth boxes, they don't play low at all and sound pretty bad IMO.
__________________
mods
Kore Fox coilovers w/ 2.5" front lift , Fox Rear piggy backs w/ 1" rear lift, 305/65 18 BFG at/ko, TRD front Skid plate, console vault

SQ sound system
Seas Nextel Mids, Focal Utopia Mids, Focal BE tweeters, JL Audio 13tw5, Alpine PDX-4.150, Alpine PDX-1.600, Audison Bit One processor, Pioneer z150 hu
learthworml is offline   Reply With Quote
Old 11-29-2004, 07:58 AM   #7
bigjae1976
Registered User
 
bigjae1976's Avatar
 
Join Date: Dec 2003
Location: Earth
Posts: 11,465
My Ride: A car
Send a message via MSN to bigjae1976
Earth is right...your DA tweets will only run at 25 watts at best since they are 8 ohms.

But why not just get a 3 channel amp which will give you more headroom?
bigjae1976 is offline   Reply With Quote
Old 11-29-2004, 01:35 PM   #8
wildpanda86
Registered User
 
Join Date: Mar 2003
Location: SoCal
Posts: 779
My Ride: 2001 325ci
Cause I got the amp at Al &Ed's 50% off sale this past weekend. I also have a goal of keeping a lightweight setup in the car that I don't have to take out when I go to the racetrack. I know it can give more than enough of really clean power for the front components, but I am unsure about the subwoofer channel as it puts out 200 watts RMS at 4ohms and close to 300rms at 2 ohms.

My top ideas now would be ALumapro Alchemy Free Air, or Image Dynamics. I know the amp can power one woofer, but will it adequetly power 2 woofers? maybe this amp is just limiting my choice to the Stealth Box.

Maybe I should just try to see if I can get an ALpine HU for 1/2 off instead.




Quote:
Originally Posted by bigjae1976
Earth is right...your DA tweets will only run at 25 watts at best since they are 8 ohms.

But why not just get a 3 channel amp which will give you more headroom?
wildpanda86 is offline   Reply With Quote
Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Censor is ON





All times are GMT -5. The time now is 12:14 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
(c) 1999 - 2011 performanceIX Inc - privacy policy - terms of use