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-   Archive through November 14, 2005 (http://www.wakeworld.com/forum/forumdisplay.php?f=268197)
-   -   Stereo Help- (http://www.wakeworld.com/forum/showthread.php?t=265493)

e420x 11-08-2005 9:21 PM

The JL aamp I am looking at has this rating <BR> <BR>Rated Power 12.5 V Stereo: 45W RMS x 4 @ 4 ohm <BR>75W RMS x 4 @ 2 ohm <BR>Rated Power 12.5 V Bridged: 90W RMS x 2 @ 8 ohm <BR>150W RMS x 2 @ 4 ohm <BR> <BR>If I want to hook this amp to 2 4ohm speakers…can I just bridge the 4 channel into 2 channels to get more power instead of running 4 speakers? If I do how many watts will I be pushing through the speakers or how many ohms <BR> <BR>

mikeski 11-08-2005 11:08 PM

Yes, you can bridge the amp and the speakers will see the 150W each 4 ohm speaker.

acurtis_ttu 11-09-2005 6:45 AM

Which JL amp is it? If its the slash series, maybe all JL amos do this, but they will push the same wattage at varying ohm levels. Some high tech internal regulation.....The amp senses the resistance changed and regulates accordingly.

acurtis_ttu 11-09-2005 6:48 AM

From JL website: JL SLash serires amp <BR> <BR>The "Intelligent" portion of the R.I.P.S. System is a circuit that actually monitors output current to optimize the amplifier's output power over a wide range of load impedances (1.5 ohm to 4 ohm per channel). <BR> <BR>Conventional amplifiers are designed to produce optimum power at a particular impedance (2 ohm, for example). When asked to run above that impedance (say, 4 ohm), these amplifiers lose power (half their power from 2 ohm to 4 ohm). This will not happen with a JL Audio “Slash” series amplifier because the R.I.P.S. System detects the actual impedance being driven and adjusts output rail voltages to deliver optimum output. The entire process is seamless, automatic, and results in incredible dynamics for satellite channels and consistent power output for a wide range of subwoofer configurations. It also takes into account the real impedance of the system, rather than relying on often inaccurate assumptions based on a speaker's rated impedance. <BR>The bottom line of the R.I.P.S. system is: Optimum power, at any impedance between 1.5 ohm and 4 ohm per channel, at any vehicle voltage between 11V and 14.5V. <BR>

e420x 11-09-2005 7:47 AM

Its the 4300m marine series amp

acurtis_ttu 11-09-2005 7:58 AM

Eb, according to the website, the marine amplifiers do not have this technology (Doesn’t surprise me). Mike is correct.

e420x 11-09-2005 8:06 AM

Great looks like this amp will be perfect for my 6.75 tower speakers

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