installed alpine type r comps, help powering
installed alpine type r comps, help powering
i bought some aline type r components at best buy and instlled them myself. i have them hooked to a tsunami 4 channel, db4400, amp. this amp puts out 75rms x 4. the speakers are rated at 70rms but i was woundering if i could put more. they are the 05 version btw. i was thinking about using the amps crossovers and putting the tweets on 2 channels and the mids on the other 2 but do not know if this is any good? i also have a kenwood amp that puts out 150 x 2 rms at 4 ohms, would the speakers take this? they are just not loud enough to me anymore. i have a alpine cd player also. also when i was installing these, the manual had a pic of the tweets installation that had two round discs that mounted behind each tweeter, i did not get these with my set but were listed in the packing checklist. what are they.
thanks in advance for any help
thanks in advance for any help
Joined: Oct 2003
Posts: 10,632
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From: Harker heights Tx
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what model type r's do you have .. I had a set from a few years ago that was rated something along those lines and I was feeding them 100 rms and had to turn them down from being a bit to loud
Originally Posted by chriscivic
i was thinking about using the amps crossovers and putting the tweets on 2 channels and the mids on the other 2 but do not know if this is any good?
It would sound much cleaner, but I'm not sure if you can do it with that amp. You might burn your tweeters. Make sure the crossover on the amp goes up to 2.5-5 thousand hz. Also some amplifiers have a really low s/n ratio, so if you use active crossover, you might get more background noise. Also, just so you know, even if you feed each tweeter and each woofer its own channel, its not gonna be twice as loud, just cleaner.
here is the specs on the amp
SPECIFICATIONS:
DB-4440:: 4 X 75 Watts RMS @ 4 Ohms .05% THD . 4 x 110 WRMS @ 2 Ohms .1% THD . 2 x 220 WRMS @ 4 Ohms Bridged .1% THD. . High Thermal Efficiency Heat Sink Design . Distinctive Back Lit Logo Badge . Signal to Noise Ratio -90dB . Input Sensitivity 240mV to 6 . 2-4 CH Input Selectors . Variable Low Pass Filter 50-250 Hz . Variable High Pass Filter 50-1.25 KHz . Variable Phase Control 0-180 DEG. . Current and Thermal Protection . Stereo, Bridge, and Tri-Mode System Capable .
this is my first set of components so i don't know the best way to hook them up. can i hook them up seperately with this amp? i know it would not be twice as loud but would it not be a little bit louder? i am guessing each set of tweeter and woofer is 8 ohm and is wired together in the crossover to give 4 ohms to the amp, so if ran seperate each channel on the amp would see 8ohms, so half the power of each channel but better sound. am i right? what would be a good crossover freq. for the woofers. also if i ran them seperate, the woofers would also get the highs, would this affect anything?
SPECIFICATIONS:
DB-4440:: 4 X 75 Watts RMS @ 4 Ohms .05% THD . 4 x 110 WRMS @ 2 Ohms .1% THD . 2 x 220 WRMS @ 4 Ohms Bridged .1% THD. . High Thermal Efficiency Heat Sink Design . Distinctive Back Lit Logo Badge . Signal to Noise Ratio -90dB . Input Sensitivity 240mV to 6 . 2-4 CH Input Selectors . Variable Low Pass Filter 50-250 Hz . Variable High Pass Filter 50-1.25 KHz . Variable Phase Control 0-180 DEG. . Current and Thermal Protection . Stereo, Bridge, and Tri-Mode System Capable .
this is my first set of components so i don't know the best way to hook them up. can i hook them up seperately with this amp? i know it would not be twice as loud but would it not be a little bit louder? i am guessing each set of tweeter and woofer is 8 ohm and is wired together in the crossover to give 4 ohms to the amp, so if ran seperate each channel on the amp would see 8ohms, so half the power of each channel but better sound. am i right? what would be a good crossover freq. for the woofers. also if i ran them seperate, the woofers would also get the highs, would this affect anything?
just curious but did you have any problem getting the components to fit in the doors? you had to cut the sheetmetal in the doors?
i noticed that the 2005 alpine type r speakers now have a higher sensitivity rating...they should be more efficient than the older style type r's? the old ones were pretty power hungry and the basket was also stupidly bulky...
i noticed that the 2005 alpine type r speakers now have a higher sensitivity rating...they should be more efficient than the older style type r's? the old ones were pretty power hungry and the basket was also stupidly bulky...
you can put any size amp you want to them. just make sure when you adjust your gains you dont let them get so high you hear distortion. the larger your amp the less it strains to play what you want. so it plays clearly at higher volumes than your smaller amps. JUST DONT TURN IT UP IF IT DISTORTS.
They fit with cutting the sheet metal into a round shape and using 3/4" spacers, i mounted my tweeters on the pillars. the problem i have with turning them up is not distortion but bottoming out, and if i turn the high pass up i have no mid bass but the speakers still have a lot of excursion, maybe i should fatmat my doors for more midbass
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