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Old 9th April 2006, 11:52   #1
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Default JL E Class E1200 Monoblock Amp Vs Alpine MRP-M450

hey can some one help me choose one of the two..! which one would be a better option to power up my Alpine SWR "Type R" 12" 1500W Sub..

1) JL Audio E Class E1200 Monoblock Amplifier

Rated Power (mono): 120 W RMS x 1 @ 4 ohm (12.5V); 200 W RMS x 1
@ 2 ohm (12.5V)
THD at Rated Power: <0.08% @ 4 ohm (20 Hz -20 kHz)
S/N Ratio: >104 dB referred to rated power (A-weighted, 20 Hz ? 20 kHz
noise bandwidth)
Frequency Response: 10 Hz ? 25 kHz (+0, -1dB)
Damping Factor:>200 @ 4 ohm / 50 Hz, >100 @ 2 ohm / 50 Hz
Slew Rate: 22V/s
Input Range:200mV ? 8V RMS
Dimensions:9.8" x 9.25" x 2.36"

2) Alpine MRP-M450 Mono Amplifier

mono subwoofer car amplifier
220 watts RMS x 1 at 4 ohms (400 watts RMS x 1 at 2 ohms)
variable low-pass filter (50-200 Hz, 24 dB/octave)
tuned Bass EQ (0-12 dB bass boost at 50 Hz)
subsonic filter (15 Hz, 24 dB/octave)
MOSFET power supply
CEA-2006 compliant
STAR Topology (minimizes internal noise and prevents ground
interference)
speaker- and preamp-level inputs
gold-plated screw terminals
fuse rating: 20A x 2
8-gauge power and ground leads recommended wiring and
hardware not included with amplifier
9-3/4"W x 2-3/8"H x 9-9/16"D
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Old 9th April 2006, 12:48   #2
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Forgot To mention the Price..Both are costing me 150$....
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Old 9th April 2006, 17:04   #3
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go for alpine if u wanna run the sub only.
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Old 9th April 2006, 17:05   #4
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alpine it should be

mono and 20hz to 20khz for JL???
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Old 9th April 2006, 17:06   #5
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Alpine any day. Does your R Type sub has dual 4ohms coils or 2ohms coils.
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Old 9th April 2006, 21:00   #6
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yea..its Dual 4-ohm voice coils, Kevlar reinforced pulp cone.
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Old 9th April 2006, 23:11   #7
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Dual emm, parallel it and run drive it in 2 ohm; Alpine amp

right guys?
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Old 10th April 2006, 11:50   #8
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Quote:
Originally Posted by freakrz
hey can some one help me choose one of the two..! which one would be a better option to power up my Alpine SWR "Type R" 12" 1500W Sub..

1) JL Audio E Class E1200 Monoblock Amplifier Rated Power (mono): 120 W RMS x 1 @ 4 ohm (12.5V); 200 W RMS x 1
@ 2 ohm (12.5V)

2) Alpine MRP-M450 Mono Amplifier 220 watts RMS x 1 at 4 ohms (400 watts RMS x 1 at 2 ohms)
400W > 200W...this might be the whole picture btu take the Alpine even though the Alpine amp is probably rated at 14V not 12.5V.
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Old 10th April 2006, 18:50   #9
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I buget permits go for V12 MRD-M605 . It best suited for ur sub and a extra headroom for further upgradation
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Old 10th April 2006, 22:50   #10
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and the 1005 will offer even more headroom. LBM stick to the query asked! ok?
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Old 10th April 2006, 23:11   #11
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Quote:
Originally Posted by low_bass_makker
I buget permits go for V12 MRD-M605 . It best suited for ur sub and a extra headroom for further upgradation
yea i was thinking of that..its costing me 220$..i have that option too..but the weight limit permits me....("i can only get 50 kilos that is 2 suitcases..")

The sub weighs like 7 kilos..i guess..and i am also getting some components and some momo accessories..if i have enough room for that one..i will surely consider it..
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Old 11th April 2006, 10:25   #12
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See Navin He is considering my offer !
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Old 11th April 2006, 10:47   #13
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Yup! now with a little nudge maybe you can get his to get the 1005 instead then he can drive 2 woofers if he ever needs to! :-)
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Old 11th April 2006, 10:50   #14
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no no man I only recomended 605 not 1005, Navin Also he would not be able to run two 4+4 ohms woofer with a single 1005 (1 ohms not stable). thats why I recomended 605 to him.
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Old 11th April 2006, 10:53   #15
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LBM, I was joking. see the smiley at the end of my post.
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