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  1. #21
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    Enkeiavalanche's Avatar
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    Get a Radio with 3 sets of rca outputs and High Volt. 4Volt or better.. You will get a cleaner/ louder sound...
    08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X

  2. #22

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    Gosh it would be nice to keep the factory xm antenna. Thanks Surreal.

    Perfect...the pioneer one I want has three!! and 4v! Haha this is fun guys
    Last edited by 2011laserblue; 01-29-2012 at 08:54 PM.

  3. #23
    Master Mechanic zigger215's Avatar
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    Higher voltage outputs only come into play as long as you have a quality amp... If you have a 4v line out going into an amp that is only rated at 3 will cancel out that extra volt.

    Example. My JVC has 5v line outs and my zx350.4 has a 5v input. Perfect match. Now for tuning sake let's get pragmatic here. My JVC in reality probably only produces about 3.8-4v line out. So to make up that signal voltage loss I turn up my gain to about 20% to compensate for only getting 4v to the amp. That is the ONLY purpose for the gain...voltage make-up. Nothing more. This should help you match up equipment together.

    By acquiring a deck with higher line-out voltage you will have to turn up the gain less to "fake" line voltage. Affectively increasing sound quality. Sound interference has nothing to do with line-out voltage.

    Signal interference and loss is dictated by the quality of RCAs you use and that's pretty much it. There is a myth that you shouldnt run RCA cables next to your 12v power feed but it's only a myth. The truth is 14.4vdc doesn't create a large enough magnetic field around the conductor to distort signal generation.

    Typical alternator wines are caused by improper grounding or lose connections at the battery. The reason grounding causes such in issue in DC setups is because current travels from the - battery terminal through the system all the way to the +. (electron current flow theory)

    Now on your system selection all you need to keep in mind is a few things, price range, how much room you want to retain in your cab and what features you want from your headunit. You also need to keep in mind the music you want to listen to. That will dictate sealed or ported box and the size subs. Don't spend more on 12s thinking your getting louder subs, 10s and 12s are the same just about when you ring out their db. Don't load the subs yourself. Have the shop you buy the stuff from do it. They will impedance match to your amplifier.

    Sigh.....there is a crash course in system selection. PM me anytime if you have answer. I've worked in the industry for a long time now and Ive just got my Electrical engineering degree about licked. So I can handle questions on all fronts.
    Last edited by zigger215; 01-30-2012 at 01:18 AM.

  4. #24

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    Zigger

    That was very informative and helpful, thank you very much. I'll PM you forsure once I get a better idea of what I want, then you can tell me what you think. I think I've pretty much got it figured out...still deciding on an amp though. I listen to every type of music from hip-hop, rock, country, and when I'm feeling classy even some jazz.

    Thank you again..and you can probably expect a PM in the next few days once I get my stuff in line!

  5. #25
    Master Mechanic zigger215's Avatar
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    I always forget that in the states you guys have sat radio. I wish we had that up here in Alaska.

  6. #26
    Jr. Apprentice SuthrnZ71's Avatar
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    Quote Originally Posted by Z-71 View Post
    This is the box I'm getting....It fits two 10's<you can get some from the same site that fit 12's but there isn't a spot on them to mount an amp.As for subs I am getting two DVC Alpine type-R 2-OHM 10's and Alpine Mrx-M100 amp to push them.Here is the deck I just bought.
    When you do get your stuff just make sure your subs are matched to your box (cubic ft) and and your amp is matched to your subs (rms).

    Great looking sub box, thanks for the pics! Is your headunit a pioneer 4200? Have that one in my Z and really like it!







    2003 GMC Sierra 5.3L 4WD SLT Z71

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  7. #27

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    Thanks...The deck is the pioneer AVH-p4300 and I really like mine too.I have had single din pioneer decks back in the day and was never happy with them but this one is awesome.If I had another truck I would put another AVH model in without a doubt.


    03 Chevy Silverado 1500 ext cab Z-71
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  8. #28

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    Well, lots of opinions. Typical response on a forum with this type of topic. Like it was stated, everyone has one and they are all worth the same: two cents.

    I would go with what Zigger said in his first post. You really do need to set a budget, and he said that again in the post above. I agree that his "$1500-2,000" is a good estimate for a starting budget. I probably would edge that a little higher depending on where you live and the cost of the labor there. Some may feel this sounds like a lot, but if you pay for installation, which I recommend to get it done right (assuming you hire good people to do it). You could end up spending more by the time you are through.

    Someone mentioned eBay. Yes, it is less expensive to buy audio products there. As long as you know what you are looking for. You still have to install it, and you need a good installer unless you do it yourself.

    If you are relatively new to the aftermarket audio world, go with new amplifiers, with warranties. I personally only buy old school USA made amplifiers. Some I have to repair. But I know the industry from back then, have a few industry connections, and I can get the stuff I buy fixed by reputable people. I like the quality better than the new stuff out there and I don't like buying amplifiers made overseas unless it is Germany or Japan. There are many good new amplifiers out there. You can get some information by registering at some car audio web sites such as the12volt.com, diymobileaudio.com, caraudio.com and posting a query.

    You have some space limitations, which will limit what product you purchase to keep everything under the seat. If you do buy any amplifiers or processors on the web, make sure the dimensions will allow you to install it where you want it.

    Ask the seller what class amplifier it is. I personally would not use a Class D amplifier for anything but a subwoofer. The reason is that the sine wave produced by those amplifiers has the peaks and valleys cut off. You won't hear that at subwoofer frequencies. My preference is AB amplifiers.

    Another thing mentioned is voltage output versus input voltage tolerance of the amplifier, and this is a very good point. The real good amplifiers take up to 5 volts. You have to ask the seller what the max voltage tolerance is for the amplifier if it is not published by the manufacturer in the consumer information. If the amplifier does take up to 5 volts, you can still get a head unit putting out less than 3 for example, and purchase a processor from Audiocontrol that you can adjust the voltage of the audio signal to the amplifier up to 5 volts (even more with some of their products).

    Kenwood Excelon head units produce a 4 volt signal.
    1994 Chevy K2500 Silverado, 454 (modified), original owner.
    And other vehicles and toys.

    "...If you can meet with triumph and disaster
    And treat those two imposters just the same;
    ...you'll be a Man, my son!" Rudyard Kipling

  9. #29
    Master Mechanic zigger215's Avatar
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    Budgets are great. But that's a good point, a lot of people do end up breaking the budget...it's almost unavoidable

  10. #30

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    I didn't say it clearly, but the budget issue is important to me because too many folks shortchange their project by purchasing cheap junk based on an unrealistically low "budget", only to replace it with better equipment later when they are dissatisfied with the sound. You will save money if you fork out the dough for the good stuff up front.

    I have a BMW Dinan M6 that I have owned since 1993, and it has an audio install that I have only changed one of the amplifiers around 1998 (to get more power) and the rest keeps on ticking after this many years. There just isn't anything out there that I want that would beat what they installed. And back then it cost me $3200 for the whole thing.
    1994 Chevy K2500 Silverado, 454 (modified), original owner.
    And other vehicles and toys.

    "...If you can meet with triumph and disaster
    And treat those two imposters just the same;
    ...you'll be a Man, my son!" Rudyard Kipling

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