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ANeonRider

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Everything posted by ANeonRider

  1. ANeonRider

    Subwoofer placement

    Subwoofer placement in a trunked vehicle Now, you have two good, and two "OK" options: Good 1. Install the subwoofer in the rear side panel (or in between the taillights and the strut tower). This is called corner loading. Since the subwoofer is as far back as possible in the vehicle, there will be no rear sound wave that can interfere. As well, you will have hard boundaries to the rear, and sides. 2. Install the subwoofer in an enclosure facing the very rear of the vehicle. Optimally, within a foot. This allows for the rear wave to exit through into the cabin of the vehicle, as well as the front wave to reflect off of the rear of the vehicle, and be reinforced by the rear wave. "OK" 1. Install the subwoofer in the very front of the trunk (against the rear seats). This is much better than facing the subwoofer forward into the cabin of the vehicle because it still has a hard surface to be loaded against, and the rear wave will not interfere with the reflected front wave. 2. Install the subwoofer facing towards the trunk lid. This method is still better than facing the subwoofer forward into the cabin of the vehicle, but becoming less effective. There is still the hard boundary (trunk lid), and lack of rear wave, but the problem is, the reflected wave from the trunk lid does not flow directly into the cabin. This can be partially alleviated by installing the subwoofer on a slight angle towards the rear of the vehicle. Now, having the subwoofers facing forward (towards the passengers) is not always bad, but you have to ensure that the rear wave cannot reach the front wave. In other words, you must completely seal off the trunk from the cabin of the vehicle. Same can be said for subwoofers installed in the rear deck, and free-air subwoofer installs. Subwoofer placement in a SUV/Hatch Now, in a SUV/Hatch, the whole cabin of the vehicle is open. This makes these vehicles much easier to get loud, and reduces cancellation for the most part. Same principles apply as a trunked vehicle though, but there can be twists to them, such as the ported "CRX-style" box, which has the ports facing the rear of the vehicle, and the subwoofer(s) facing upwards. Here is another good read with some pretty pictures: Subwoofer placement
  2. Former SSA regular (about 5 years ago), getting out of the game. Equipment collecting dust and 2 kids keep me busy now. I have available: Alpine PXA-H701 audio processor w/RUX-C701 controller $400 obo Alpine PDX4.100 4x100W Class D amplifier $300 obo Alpine DHA-S690 6 Disc DVD changer $200 obo Alpine VPA-B222 Vehicle Hub Pro $250 obo Alpine KCA-420i Ipod controller with 120GB Ipod Classic $50 obo Alpine VPA-B211A Vehicle Hub $50 obo Sony XM250 2x50W amplifier $40 obo All of this audio equipment is in decent shape, never abused but shows its age and many different installations. Willing to package deal on multiple items. Shipping is included with tracking. Pictures: http://smg.photobucket.com/user/ANeonRider/library/Stereo%20Equipment%20for%20Sale Email palmier.scott@gmail.com for quickest response as I obviously don't get here often.
  3. ANeonRider

    Alpine PXA-H701/C701, PDX4.100, VPA-B222 and more

    Hey Sean. PM me your email. Lol, no plans on letting go of the SLS's or the one-off 15" IB I have. Home audio project for another day. H701 combo is sold.
  4. NOTE: Latest update on page 12 This is from back in October, once the weather gets warmer I will be doing more work. I have been spending a some time as of late working on my car audio install into my newly acquired 2003 Spec V. Here is my work: Equipment Pictures Headunit Alpine IVA-D310 (www.alpine-usa.com) Amplifier US Amps XT2000d (800Wx1@1ohm) Class D Amplifier www.usamps.com RESERVED FOR PIC US Amps XT1600.4 (125Wx4@4ohms) Class AB Amplifier www.usamps.com Subwoofers Mach5Audio MAW-10 www.mach5audio.com Front Stage Alpine SPX-177A 2-way components (no pictures at this time) Wiring Knukonceptz wiring throughout. www.knukonceptz.com Started with the factory 2003 Spec V stereo. I am not going to be picturing some facets of the installation, for security reasons. First things first, I installed the headunit... the brain of the whole operation. Bad picture... get one in daylight when I can. Next, I ran all of the wiring. I decided to use 1/0 cable for carrying the necessary current to the amplifiers. I picked 1/0 wire because the amplifiers I chose can require upwards of 200A at full output.The 1/0 is fused about 18" from the battery, with a 250A fuse. There is a PERFECT spot for 1/0 wiring on the passenger side, behind the glovebox, so that was where the wire was ran, strapped to firewall. Ran all RCAs, remote, and power wiring up the passenger side, and into the trunk for the amplifiers. Still have to get to the component installation, which includes the crossovers, amplifier, and drivers. Front stage amplifier (XT1600.4) will be arriving on the weekend, and the installation will start then. In the trunk, the 1/0 cable is distributed using KonFUSED 2 Way Distribution System from Knukonceptz. The distibution block provides fusing capability as well, so the amps are also fused here, 120A for each. From there, each amplifier is provided a short run of 4ga. wire. The grounding to each amp is provided by seperate short runs of 4ga. wire to the chassis. No pictures exist of the wiring work yet, may get some at the time I tear the interior out for the sound deadening stage. For the subwoofer installation, I chose 3 Mach5Audio MAW-10 10" drivers. Click for specs I wired each subwoofer's voice coils in parallel, therefore, each subwoofer is a 2 ohm nominal impedance. The subwoofers were then wired in parallel, making a 0.667 ohm nominal impedance load to the US Amps XT2000d Class D amplifier. Estimated power output at this impedance is 1200W RMS, therefore providing each driver ~400W of clean power. I chose to use an enclosure volume of 0.5ft^3 for each driver, or 1.5ft^3 gross. It provides this response when modelled using BassBoxPro6. With the estimated cabin gain of a small car, like the Spec V, the in-car response will be nearly flat @ 0dB right from 10Hz to my chosen crossover point of 70Hz (-12dB/oct). Now.. to the installation! The enclosure needed to get me the desired 1.5ft^3 gross volume for the drivers, I needed to make it 40"W x 7.5" D x 14" H. Each woofer displaces approx. 0.06ft^3 of volume. Used 3/4" MDF, decking screws, and wood glue. Now for some pictures! What I started with: A quick picture of the false floor I made for the trunk... used 1/4" MDF, and attached the factory trunk carpet to it. Spare tire is no longer there, and became the home for the amplifiers. Enclosure! Woodshop at work: Front & back of the enclosure all cut... I love table saws: Some progress: Test fit: MMM, woofers: Holes cut... enclosure nearly complete: Woofers installed! Amp Rack... where the spare tire once was: Enough room for both the XT2000d & XT1600.4... all hidden under the false floor. Stays plenty cool under there as well! Enclosure installed, and ready to rip The enclosure front will be wrapped in some silver vinyl, and a trim panel will be made, and covered in black vinyl, a custom grill will cover the woofers, and lit by a plethura of blue LEDs in short time. This thread will be updated as I progress more.
  5. ANeonRider

    5.25 Mid range looking to change

    You don't need 2 midranges, where did that come from? Nobody said that. Peerless SLS 8, and HiVi 3" midband drivers are a good choice, there are others too. There are out of the box passive sets available too, but that is where $$ comes in.
  6. ANeonRider

    Fo and Fs

    Fs is the free air resonant frequency. Fo doesn't exist as a t/s parameter. http://www.soundsolutionsaudio.com/forum/i...p?showtopic=141
  7. ANeonRider

    5.25 Mid range looking to change

    Read what he typed again.
  8. ANeonRider

    winter

    NO, cold will not hurt your equipment. NO, cold will not bust subs. NO, frost on the cone will not hurt your speakers.
  9. ANeonRider

    Welcome to the IHoP

    I just took a look at their last 10Q in August, even that wasn't looking too good Apparently they don't file their 10K until February...it'll be interesting to see what that looks like... That info is so silly because they need a full over haul and reassessment of their entire place. * Retiming select vehicle programs in North America and Europe by three to 12 months, i.e. lengthening product lifecycles * Deferring capacity expansion projects * Lower sales promotion spending, i.e. less advertising * Less support of dealer network activities and channel consolidations * Scaling back production * Curtailing discretionary spending (travel, consulting, over-time, etc.) * Increase reduction in force from 20 to 30% Okay so lets go point by point of the above list. > Lowering an already mediocre level of quality, fit & finish, reliability, and competitiveness. > They are way past their limits, they need to run far away from anyone that says or thinks expansion. > I have been complaining about their relentless advertising, and how the money should be spent on the development and improvement of their sub par line up. > Nice move, lower dealer support so they are less informed and helpful to the customers with problems with their newly bought vehicles. > No need to produce what they produce now, cutting production numbers should have occurred years ago. > Too easy. > GM lay-off's? No, never. Idiots. I think they should overproduce for the next 3 months like mad, then fire the unions and start hiring realizing that they can't produce for 6 months. Luckily the engineering isn't unionized so they could also use the time to re-evaluate all designs and make improvements. I believe they can only proceed without the unions if they file for bankruptcy. So, they might be heading in that direction soon.
  10. ANeonRider

    amp malfunction

    Amp repair time.
  11. ANeonRider

    Computer speakers

    Enclosure size might be effected as well.
  12. ANeonRider

    Welcome to the IHoP

    19 degrees here, longest fall I've experienced, still were in the 65 degree range last week.
  13. ANeonRider

    amp malfunction

    I believe it is a wiring to the amp problem.
  14. ANeonRider

    Welcome to the IHoP

    I ran mine alongside the water heater exhaust. Super fast and easy. I just dropped a 2 oz fishing weight on 50lb test from the attic to the basement and pulled the wire up. Or should I say wires as I ran 8 cat6's, 6 rg6's and a bunch of speaker wire. That would work too I imagine. I need to get up in the attic & look. Probably will be up there tonight/tomorrow when I install the satellite & RG6.
  15. ANeonRider

    Computer speakers

    After years of having some type of system in the office for music, I have found headphones to be the best for enjoying it, while still keeping the peace in the house. For as little as $100, you can get some great cans too!
  16. ANeonRider

    Welcome to the IHoP

    Have to figure out how I'm going to wire the CAT6 network & RG-6 satellite with a finished basement. Likely use the chimney space & run a 2" conduit through it from the attic to the utility room, then do drops to where I need it through the wall top plate in the attic.
  17. ANeonRider

    Welcome to the IHoP

    Must have a giant room to excite.
  18. ANeonRider

    best way to tune a box

    Only way to really find out the exact frequency an enclosure is tuned to is by measuring the impedance curve.
  19. ANeonRider

    Welcome to the IHoP

    First computer was a 386, DOS based, no GUI. 640mB hard drive. Still have it at the farm. Lasted me until I left home for college, upgraded to a piece of shit Compaq Intel Celeron 500 with Windows 98.
  20. ANeonRider

    Welcome to the IHoP

    Paid $221 shipped, but I'm Canadian, so I have to pay more by default it seems.
  21. ANeonRider

    Welcome to the IHoP

    Just bought a 1.5TB Seagate for the media tank.
  22. ANeonRider

    Welcome to the IHoP

    I can count mine, because I accrue an extra 1/2 hour of leave for every day away from home. So, I end up gaining around 7 days of leave as a result. I work for the Canadian equivalent to the FAA, Nav Canada. Maintain, repair, install, modify, blah blah blah all of the ANS systems in the province of Saskatchewan (Area of 251,700 sq mi, 48 systems in total. 14 sites most of which are fly in only), and spent a good deal of time on training or conferences throughout Canada, but mainly in Eastern Ontario.
  23. ANeonRider

    Welcome to the IHoP

    By the end of the year, I'll have spent approximately 110 of my 220 working days on the road. Damn.
  24. ANeonRider

    Welcome to the IHoP

    The Asia swing correct?
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