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Jmac

SSA Tech Team
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Everything posted by Jmac

  1. Pioneer Premier PRS-X340 4 x 74 @ 4 ohms 2 x 273 @ 4 ohms
  2. 2003 Rockford Fosgate Punch 150S Actual Output Power - 192 watts
  3. This is a thread where you post pics of birthsheets/benchtests so that people can use this thread as a reference when looking at amplifiers to have a generally idea of what a particular amplifier is capable of producing ...
  4. Jmac replied to Aaron Clinton's topic in Photography
    I have nothing to show off ...
  5. Well, if he added it to the old database, he can still use HT Merge to put it back in the database ...
  6. Why don't you just use HT Merge to re-integrate the drivers ? That IS what it's there for
  7. If you're playing nothing but sine waves, have all the options available for your car, and have them all operating at the same time, then you might be only limited to 32 amperes in your example. However, music is dynamic, most people don't have their A/C, heater, and lights on at the same time and most vehicles aren't fully loaded. Most headlights draw maybe 5 amperes each (10 total) and the taillights, dashboard, etc. draw very little (say 5 amperes total). The heater would be the biggest draw, around 20 amperes. Overall, you're looking at a good chunk of your alternator being free if you don't have everything on. I don't quite understand your RMS/peak and fuse theory. Using the fuse may not be accurate because many manufacturers use slow-blow type fuses, so you see 1000+ watt amplifiers with 60 or 80 ampere fuses, but the fuses can actually handle twice their rated capacity for a few minutes of continuous draw. A typical Class D amplifier is about 75% efficient at full output. A typical Class A/B amplifier is about 60% efficient at full output. Essentially, divide the power output at full capacity by the efficiency, then divide by the test voltage. For example, an amplifier is 75% efficient @ full capacity (1000 RMS with 14.4 volts). This means that current draw will be 92.6 amperes with a sine wave at full capacity and, obviously, less current draw at less than full capacity. The type of music you listen to is also going to make a large difference. People who listen to bass-heavy music (rap, trance, techno, etc.) should leave a little more space while those who listen to "lighter" music may even be able to use an amplifier that can draw as much as their alternator can supply. I forgot the rest of what I was going to say ... Damn drugs ...
  8. How can I view .avi files using Windows Media Player ? I got some Family Guy episodes I want to watch, but all I get is sound ...
  9. Jmac replied to snova031's topic in General Audio
    You're still ugly ... Man I love my avatar
  10. Jmac posted a topic in Off Topic
    Celebrate good times, come on. Have a good one, Aaron ...
  11. Sweet I might be able to make it out to that one ... How close are you to Castlegar, Steve ?
  12. Donn, I could make better enclosures with my penis and testicles tightly taped to my leg while wearing an evening gown, lots of make-up, and my hair down on my date tonight ... I mean, awesome looking box
  13. Wow, you guys pay too much ... Alpine CDA-7873 ($225 CDN or something like that) Pioner GM-X922 ($45 CDN) Pioneer Premier GM-X1020 ($260 CDN) Kicker I525 ($95 CDN) Kicker C10a ($50 CDN) Ported enclosure ($50 CDN) 20 ft. 4 AWG Power wire ($26 CDN) 25 ft. 8 AWG Power wire ($3 CDN, only used several feet of it) 17 ft. Scosche RCA cables ($17.50 CDN) 3 ft. Radioshack RCA cables (Free) 50 ft. 12 AWG speaker wire ($2.50 CDN) hehehe In-Line Fuse Holder w/ Fuse ($14 CDN) Fused Distribution Block w/ Fuses ($18 CDN) Mounting kit ($25 CDN) High Density Rubber Foam (for sound damping) (Free) --------------------------------------------------------- Grand Total - $831 Canadian
  14. I got a pitiful 22 out of 30 (73.3%) ... I don't think I've ever scored that low on a test ...
  15. [drools] Sweeeeeeeeeeeet [/drools]
  16. Get the Walmart 4 gauge kit and get the Soundstream
  17. Steve, when I get some extra money, you're so selling me that eXcelon, so keep it in good condition Also, if you have extra money, you can still get that Cyclone. I'm not going to be able to afford it unless someone in my family dies in the next month or I get hit by a car or something

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